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computers / comp.sys.ibm.ps2.hardware / latest

Bus Master Data Transfers

comp.sys.ibm.ps2.hardware

Posted: 18 Minutes ago by: Louis Ohland

http://ps-2.kev009.com/ohland/parts/Bus_Master_Data_Transfers.html Probably shoulda worked "Participants" into the title... YMMV Nothing earthshaking, just an interesting snippet that IMHO illustrates the legal Master/Slave, Master/Mast

Master / Slave relationships [discipline and beneficial! ]

comp.sys.ibm.ps2.hardware

Posted: 2 Hours 1 Minute ago by: Louis Ohland

Thought I had made a depiction of the data transfers between master / slaves in MCA. Can't findt it, suppose I should re-create it.

Memory Refresh Cycle

comp.sys.ibm.ps2.hardware

Posted: 3 Hours 5 Minutes ago by: Louis Ohland

http://ps-2.kev009.com/ohland/parts/Memory_Refresh_Cycle.html Another last stand by the immortals, as it were... Folks, the RS/6000 uses a different approach to system board memory... So while the RS/6000 documentation covers MCA, system

Re: My IBM PS/2 8595-AKD missing power. (thread)

comp.sys.ibm.ps2.hardware

Posted: 21 Hours 16 Minutes ago by: Louis Ohland

https://ardent-tool.com/85_95/Op_Panel.html#Test_Switch ? On 5/22/2022 12:14, Pertti Helander wrote:

My IBM PS/2 8595-AKD missing power.

comp.sys.ibm.ps2.hardware

Posted: 21 Hours 25 Minutes ago by: Pertti Helander

I have saved my old 8595 in my warm storage for over ten years. I took it out and tried to boot it. It started well but after few checkpoints power went off. I tried to start it again but it didn´t boot at all and power was off. I guess th

NetBSD/i386 on IBM PS/2

comp.sys.ibm.ps2.hardware

Posted: 1 Day 7 Hours ago by: moussa

https://www.netbsd.org/ports/i386/ps2.html

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 3 Days 1 Hour ago by: Giorgos S

Hello Tomas, Thanks for the interest. No, this fix from verycomputer didn't work. My config.sys has already the c:blabla/ipfs statement on the first line of it. What else I tried is this: -Connecting the dongle in another computer and

Re: Otter Browser Aims To Bring Chromium To Decades-Old OS/2 (thread)

comp.sys.ibm.ps2.hardware

Posted: 3 Days 11 Hours ago by: Kevin Bowling

Chrom{e,ieum} is an insane codebase. I run FreeBSD on many machines and the patchset for a relatively common and modern OS that shares plenty of details with Linux is large. Google wont even let the support live in their repo, FreeBS

Re: Otter Browser Aims To Bring Chromium To Decades-Old OS/2 (thread)

comp.sys.ibm.ps2.hardware

Posted: 3 Days 16 Hours ago by: dens...@gmail.com

That's an old article. Seems they are still working on porting Otter to OS/2 but have also moved onto Dooble now. I've been watching the development of a new modern web browser for about 5 years and they are constantly changing the di

Re: Otter Browser Aims To Bring Chromium To Decades-Old OS/2 (thread)

comp.sys.ibm.ps2.hardware

Posted: 3 Days 22 Hours ago by: Tomas Slavotinek

Well, I just dislike this type of sensational headlines. By that logic Windows 11 is also "decades-old" because it originates in Windows NT 3.1, or heck, OS/2 3.0... On 19.05.2022 17:25, Louis Ohland wrote:

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 3 Days 23 Hours ago by: Tomas Slavotinek

Any luck with this? I'd expect the driver to terminate more gracefully in case the DRM check fails... but you never know, DRM is always a suspect. This kind of software often comes with a standalone DRM/dongle test utility, so check t

Re: Otter Browser Aims To Bring Chromium To Decades-Old OS/2 (thread)

comp.sys.ibm.ps2.hardware

Posted: 3 Days 23 Hours ago by: Louis Ohland

Tom, you never cease to amaze me. You must be the life of the party... On 5/19/2022 10:10, Tomas Slavotinek wrote:

Re: Otter Browser Aims To Bring Chromium To Decades-Old OS/2 (thread)

comp.sys.ibm.ps2.hardware

Posted: 3 Days 23 Hours ago by: Tomas Slavotinek

Interesting, but surely they targeting the latest ArcaOS and not the "decades-old" OS/2 builds from IBM...

Otter Browser Aims To Bring Chromium To Decades-Old OS/2 Operating

comp.sys.ibm.ps2.hardware

Posted: 4 Days ago by: Louis Ohland

https://tech.slashdot.org/story/22/02/16/2121220/otter-browser-aims-to-bring-chromium-to-decades-old-os2-operating-system

5.7 IBM OPEN32 (thread)

comp.sys.ibm.ps2.hardware

Posted: 4 Days 3 Hours ago by: Louis Ohland

5.7 IBM OPEN32 Open32 is a new API set provided in OS/2 Warp 3 beginning with FixPak 26 to help ISVs migrate their Windows 32-bit applications to OS/2. Approximately 750 APIs from the Win32 API set are included and provide essentially th

3.0.4 USING DISPLAY RECOVERY CHOICES (thread)

comp.sys.ibm.ps2.hardware

Posted: 4 Days 3 Hours ago by: Louis Ohland

3.0.4 USING DISPLAY RECOVERY CHOICES If you have the "Display Recovery Choices at each system startup" function active on your system, you need to disable it before you apply a FixPak if þ The system is running þ The boot

3.0.1 OS2DUMP SPLIT INTO TWO VERSIONS (thread)

comp.sys.ibm.ps2.hardware

Posted: 4 Days 3 Hours ago by: Louis Ohland

Not your problem, of interest to MCA users. I think the version in FP038 should be OK on an ISA bus. http://ftpmirror.your.org/pub/misc/ftp.software.ibm.com/ps/products/os2/fixes/v3.0warp/french/xrfw038/readme.1st 3.0.1 OS2DUMP SPLIT

Re: Warp3 (french) boot hang with blinking cursor after fp38 installation (thread)

comp.sys.ibm.ps2.hardware

Posted: 4 Days 10 Hours ago by: Whaka

it's a Rev 10. i didn't know there's a release in 92, it's not the same content as Rev 10 ? maybe i should try the upgrade if that's the case.

Re: Cross Post: Belated Christmas gifts: P390 parts (thread)

comp.sys.ibm.ps2.hardware

Posted: 4 Days 16 Hours ago by: gah4

(snip) It does seem that more models claim compatibility with the Channel Emulator/A than with the P/370 itself. That should mean that you can run channel attached I/O devices directly from AIX, without the P/370 and its OS.

Re: Warp3 (french) boot hang with blinking cursor after fp38 installation (thread)

comp.sys.ibm.ps2.hardware

Posted: 4 Days 17 Hours ago by: IBMMuseum

Model 35SX (8535) and 40SX (8540) BIOS Versions 27C512 x2: 'U19' (EVEN) and 'U31' (ODD) 92F1502 (E) 92F1503 (O), 04/04/1991, Revision 6 04G2022 (E) 04G2021 (O), 09/25/1991, Revision 10 10G4128 (E) 10G4127 (O), 03/1x/1992, Revision ?

Scanning array to full power. Where is David Ress?

comp.sys.ibm.ps2.hardware

Posted: 4 Days 17 Hours ago by: Louis Ohland

David, David, what became of you? Does anybody else out there feel like I do?

Re: IBM FINALLY CREATES A FULL VM/SP WORKSTATION WITH 7437 BUT FEARS (thread)

comp.sys.ibm.ps2.hardware

Posted: 4 Days 22 Hours ago by: Kevin Bowling

I had lunch with Jeffery Savit a few years ago. He works at Oracle now, long given up on VM. This is one of my favorite Operating System videos https://archive.org/details/AStrategicPointOfViewForVm.. seems IBM couldn't keep off the

Re: Cross Post: Belated Christmas gifts: P390 parts (thread)

comp.sys.ibm.ps2.hardware

Posted: 4 Days 22 Hours ago by: Kevin Bowling

As long as you can fit the cards, the MCA implementation in RS/6000 and AIX is very good. You can run a P/3x0 in a 7006, 7009 or 7011.

A performance evaluation of the IBM 370/XT personal computer (thread)

comp.sys.ibm.ps2.hardware

Posted: 5 Days ago by: Louis Ohland

https://ia801209.us.archive.org/26/items/NASA_NTRS_Archive_19890005611/NASA_NTRS_Archive_19890005611.pdf

Re: IBM FINALLY CREATES A FULL VM/SP WORKSTATION WITH 7437 BUT FEARS (thread)

comp.sys.ibm.ps2.hardware

Posted: 5 Days ago by: Louis Ohland

Nallur S. Prasad; Jeffrey Savit (1994). IBM mainframes: architecture and design. McGraw-Hill. p. 327. ISBN 978-0-07-050691-6. On 5/18/2022 09:06, Louis Ohland wrote:

Re: IBM FINALLY CREATES A FULL VM/SP WORKSTATION WITH 7437 BUT FEARS (thread)

comp.sys.ibm.ps2.hardware

Posted: 5 Days ago by: Louis Ohland

Five cards. P/370 MMC S/370 Channel Emulator 5080 graphics Thats four... https://en.wikipedia.org/wiki/PC-based_IBM_mainframe-compatible_systems#IBM_7437_VM/SP_Technical_Workstation Graphics support was provided by an IBM 5080 graphics

Re: IBM FINALLY CREATES A FULL VM/SP WORKSTATION WITH 7437 BUT FEARS (thread)

comp.sys.ibm.ps2.hardware

Posted: 5 Days ago by: Louis Ohland

Occupying five boards, the 7437 uses the PS/2 to receive VM/SP 5 from the users host mainframe, and to dump the fruits of its labours on the host. On 5/18/2022 08:57, Louis Ohland wrote:

IBM FINALLY CREATES A FULL VM/SP WORKSTATION WITH 7437 BUT FEARS TO

comp.sys.ibm.ps2.hardware

Posted: 5 Days ago by: Louis Ohland

https://techmonitor.ai/technology/ibm_finally_creates_a_full_vmsp_workstation_with_7437_but_fears_to_offer_it_widely IBM UK drew a complete blank when asked a few weeks ago to prospect for details of the company’s latest effort to bri

Re: Cross Post: Belated Christmas gifts: P390 parts (thread)

comp.sys.ibm.ps2.hardware

Posted: 5 Days ago by: Louis Ohland

https://ardent-tool.com/CPU/193-131.txt S/370 Channel Emulator/A M/T 7012 Models 320, 32E, 32H, 340, 350, 355, 360, 36T, 365, 370, 37T, 375 On 5/17/2022 22:55, gah4 wrote:

Re: Cross Post: Belated Christmas gifts: P390 parts (thread)

comp.sys.ibm.ps2.hardware

Posted: 5 Days 10 Hours ago by: gah4

(snip) I was supposed to get a 7012-340, but they accidentally sold it to someone else.

Re: Warp3 (french) boot hang with blinking cursor after fp38 installation (thread)

comp.sys.ibm.ps2.hardware

Posted: 5 Days 11 Hours ago by: Whaka

i tried what you suggest, but as you also guess, it doesn't load anything. it stall right after the boot manager with the blinking cursor.

Re: Warp3 (french) boot hang with blinking cursor after fp38 (thread)

comp.sys.ibm.ps2.hardware

Posted: 5 Days 23 Hours ago by: David H Durgee

Do you have an empty file "altf2on.$$$" in the root directory of your boot drive? If not, create it and then try to boot. It should then display the drivers as they load and give you an idea of where the problem is. This of course a

Warp3 (french) boot hang with blinking cursor after fp38 installation

comp.sys.ibm.ps2.hardware

Posted: 6 Days 6 Hours ago by: Whaka

hello, fixpak 38 is the last available for french version of warp 3. so you guess it, i'm french. i'm playing with a PS/2 model 35sx, and really want to use OS/2 on it. i've somewhat boosted this good old beast, replacing the onboard 386sx

What? Searching for "personal/390" patent "Some results may be

comp.sys.ibm.ps2.hardware

Posted: 6 Days 19 Hours ago by: Louis Ohland

I kid you not. Tool porn is when a red-blooded man looks at gleaming well-machined tools. But... thanks to the interweb...

IBM's MicroChannel page

comp.sys.ibm.ps2.hardware

Posted: 7 Days 23 Hours ago by: Louis Ohland

Here's something good from Fair Australia that's good, other than Fosters beer [tongue in cheek] http://ps-2.kev009.com/ohland/parts/IBMs_MicroChannel.html

Re: Cross Post: Belated Christmas gifts: P390 parts (thread)

comp.sys.ibm.ps2.hardware

Posted: 8 Days 5 Hours ago by: RickE

I do not know, as I didn't play with the P/370 card back in my Microchannel RS/6000 days. My *guess* is that the answer will be dependent on the level of P/370 support software that you have in hand, which in turn will likely dictate whi

Re: INTELLIGENT PERIPHERAL INTERFACE (IPI) page (thread)

comp.sys.ibm.ps2.hardware

Posted: 8 Days 20 Hours ago by: Kevin Bowling

I believe it was used by the IBM 9332, 9335, 9336 externally. Rackmount disks for 9370, small es/9000 (9335/9336), and early large as/400s. Sun also optioned it in some early sparcservers.

Re: Looking for P/370 Channel Emulator / Microchannel to Mainframe (thread)

comp.sys.ibm.ps2.hardware

Posted: 9 Days 22 Hours ago by: Grant Taylor

Let me wake up and think about it for a few minutes. Someone in the community of P/370 / P/390 / P/390-E owners that it talk to has an RS/6000 that they run their card in and I /think/ that it's MCA. As such, they probably have the op

Re: Looking for P/370 Channel Emulator / Microchannel to Mainframe (thread)

comp.sys.ibm.ps2.hardware

Posted: 9 Days 22 Hours ago by: Louis Ohland

PS/2 MicroChannel to Mainframe Connection 95F1436 PACKAGING: The IBM PS/2 MicroChannel to Mainframe Connection is shipped in one box, which includes the following: o The MMC adapter o The MMC option diskette o A V-cable which conne

Looking for P/370 Channel Emulator / Microchannel to Mainframe

comp.sys.ibm.ps2.hardware

Posted: 9 Days 23 Hours ago by: Louis Ohland

Not findting anything...

MUSIC/SP Online Manuals (thread)

comp.sys.ibm.ps2.hardware

Posted: 10 Days 2 Hours ago by: Louis Ohland

I H8te Unix help. https://web.archive.org/web/20060213052721/http://musicm.mcgill.ca/$man/http/home.html

We're Running MUSIC on a PS/2 Now (thread)

comp.sys.ibm.ps2.hardware

Posted: 10 Days 3 Hours ago by: Louis Ohland

https://ardent-tool.com/mcgill/onp370.html

IBM PS/2 MICROCHANNEL TO MAINFRAME CONNECTION (thread)

comp.sys.ibm.ps2.hardware

Posted: 10 Days 3 Hours ago by: Louis Ohland

https://ardent-tool.com/CPU/192-156.txt This is it. The MMC connects an IBM Micro Channel PS/2 to an IBM System/370, System/390, ES/3090, or ES/9000 (except the 9371) host processor as follows: Machine Models PS/2 70

Re: P-370 hosts Re: Cross Post: Belated Christmas gifts: P390 parts (thread)

comp.sys.ibm.ps2.hardware

Posted: 10 Days 3 Hours ago by: Louis Ohland

https://ardent-tool.com/CPU/190-017.txt ES/9370, the double-wide 8580.

P-370 hosts Re: Cross Post: Belated Christmas gifts: P390 parts (thread)

comp.sys.ibm.ps2.hardware

Posted: 10 Days 3 Hours ago by: Louis Ohland

I would imagine the 8580, must surf On 5/12/2022 23:32, gah4 wrote:

Re: Cross Post: Belated Christmas gifts: P390 parts (thread)

comp.sys.ibm.ps2.hardware

Posted: 10 Days 10 Hours ago by: gah4

(snip) Maybe there is a better place to ask, but does anyone know which RS/6000 machines are used to host the P/370? Will any Microchannel RS/6000 do it? Links to other places to ask would also help. thanks!

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 11 Days ago by: Giorgos S

I aggree with what you said but vanilla OS/2 boots with no problem. The problem starts when I install Agiecut software, where it places itself to autostart as soon as OS/2 boots. I tried to remove some lines from the config.sys but it sta

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 11 Days 1 Hour ago by: Louis Ohland

Um, never dealt with a dongle, but my SWAG is the "locked file" is system related, not EDM. OS/2 should load once the "locked file" issue is sordid out, the dongle should / could have it's own device statement in configuration.ini or wh

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 11 Days 1 Hour ago by: Giorgos S

zqPPhM65z4IgzqDOrc68z4DPhM63IDEyIM6czrHOkM6/z4UgMjAyMiDPg8+EzrnPgiAzOjQzOjE1 IM68Ls68LiBVVEMrMywgzr8gz4fPgc6uz4PPhM63z4IgR2lvcmdvcyBTIM6tzrPPgc6xz4jOtToN Cj4gzqPPhM65z4IgzqDOrc68z4DPhM63IDEyIM6czrHOkM6/z4UgMjAyMiDPg8+EzrnPgiAyOjIw OjU2IM68L

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 11 Days 1 Hour ago by: Giorgos S

The thing is that it has a Sentinel Super Pro parallel port key so I am wondering if the key is damaged in any way or it needs RTC module to work properly.

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 11 Days 3 Hours ago by: Louis Ohland

Help! Locked File Device Driver problem http://www.verycomputer.com/3_f0b60fa70af92df9_1.htm Should be something close to this. Pity it isn't running on a PS/2. On 5/12/2022 04:10, Giorgos S wrote:

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 11 Days 5 Hours ago by: Giorgos S

So great success installing OS/2 after replacing floppy drive!! Huge thanks for that!! Now the problem is that when I install the software that operates the machine in top of the OS it gets me that error "locked file driver loaded" and

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 12 Days 5 Hours ago by: Giorgos S

Ah man it is really tiring but I am learning a lot for sure.. The thing is that you have to live the technology to learn it as time goes by, cuz it's difficult to learn it backwards in time.. Too many software/hardware versions etc you h

westernDigital :: WD33C93A Data Sheet and Application Notes Nov1990

comp.sys.ibm.ps2.hardware

Posted: 12 Days 17 Hours ago by: Louis Ohland

https://ia803202.us.archive.org/14/items/bitsavers_westernDigetandApplicationNotesNov1990_6683877/WD33C93A_Data_Sheet_and_Application_Notes_Nov1990.pdf

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 12 Days 18 Hours ago by: Tomas Slavotinek

Yea, try changing the floppy drive and make sure the floppies are good too. Hopefully, that will do the trick. I assume you have a copy of the EDM control software somewhere... you know, since you wiped the original hard drive. You ar

Adaptec’s_Disk_Controller_Sets_SCSI_Speed_Record_

comp.sys.ibm.ps2.hardware

Posted: 12 Days 18 Hours ago by: Louis Ohland

http://ps-2.kev009.com/ohland/SCSI/Adaptec_AIC-6250_Speed_Record.html One yard and a cloud of dust. Nothing comes easy.

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 12 Days 19 Hours ago by: Giorgos S

Also I will change RTC module (m48t86pc1 with ds12887+ cuz m48t86pc1 sadly is not longer manufactured) and let's see what happens with that.

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 12 Days 20 Hours ago by: Giorgos S

Hmm.. I did what you describe in the last paragraph about editing config file and the exact thing you describe happened. It immediately returns me to the screen that I have to choose options from (terminal, vga reset, edit config file

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 12 Days 22 Hours ago by: Tomas Slavotinek

The garbled screen could be caused by a defective disk, a hardware issue, or something else. What you see there - starting with the "MZ" characters and including the "clock$" and "timer$" strings are actually contents of some OS/2 exe

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 12 Days 22 Hours ago by: Giorgos S

RAM testing finished and no errors reported. Now when I try to install os/2 again from floppies it shows this message. https://ibb.co/S3Vsmgp So is this RTC module fault or bad floppy drive?

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 12 Days 23 Hours ago by: Giorgos S

Also a quick question. How do i edit config.sys file for os/2 if i cant access the os/2 terminal through installation floppies to configure it etc? Maybe through dos utils floppy? But then can I access the SCSI without its controller?

Winchester Interface Controversy Heats Up page

comp.sys.ibm.ps2.hardware

Posted: 12 Days 23 Hours ago by: Louis Ohland

http://ps-2.kev009.com/ohland/SCSI/Winchester_Interface_Controversy.html Period look at ST-506/-412 and ESDI. Only a few actual factoids.

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 12 Days 23 Hours ago by: Giorgos S

Thanks mate! Quick update: I checked the disk using scandisk and chkdsk and everything seems fine. I am running memtest as I am writing this. Lets see what happens.

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days ago by: Tomas Slavotinek

I'll forward your question to him.

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 1 Hour ago by: Giorgos S

Sorry but can't find the way to send him personal message.. How do i do this or something similar?

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 1 Hour ago by: Giorgos S

I will do all that you said and I will post any updates here!

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 1 Hour ago by: Giorgos S

Thank you very much!

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 2 Hours ago by: Tomas Slavotinek

Thanks for the info. Since the machine was sitting for a long time and was then moved, I'd probably focus on checking the hardware side of things first. Try running memtest86 (v4) from a bootable floppy or CD to check if the RAM and r

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 3 Hours ago by: Giorgos S

I applied no fixes to dimm memory, just took them out one by one and checked if the system recognizes them. Sorry for bad debugging guys, I have no experience in old hardware and software

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 3 Hours ago by: Giorgos S

The thing is I cannot enter os/2 terminal because it requires diskette 2 and also I dont know any other way to access some terminal from floppy in order to run chkdsk and other utilities.

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 3 Hours ago by: Louis Ohland

The name is Clarke, Timothy N. Clarke... Dear Lord, someone with a TRAP code... Don't see that much... From DIMM memories, what level [if any] of fixes have you applied? On 5/10/2022 05:56, Tomas Slavotinek wrote:

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 3 Hours ago by: Giorgos S

The 2 photos are below https://ibb.co/k6dZgPq https://ibb.co/GJwrsdN

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 3 Hours ago by: Giorgos S

First of all thank you for your answer. Now to answer your questions: 1) I am using os/2 warp 4 2) This is an Agie Classic 3 Machine 3) It has adaptec aic 7850 controller, sbcp 5090 motherboard and as i can tell it is a multibus 2 pc. 4)

Re: Trap 000d when booting (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 3 Hours ago by: Tomas Slavotinek

Hi, I'm not an OS/2 expert, but according to the documentation TRAP 000D *usually* indicates a software problem. So, yes, it could be caused by a driver or some other piece of software. One of the recommended steps is to run "chkdsk -d

Trap 000d when booting

comp.sys.ibm.ps2.hardware

Posted: 13 Days 5 Hours ago by: Giorgos S

Hello everyone, So I have an EDM machine that requires os/2 to run its software for cutting. When I boot to os/2 I get trap000d error. I tested the RTC module, RAM modules and SCSI hard drive and everythink seems fine to me. Is it maybe

Re: INTELLIGENT PERIPHERAL INTERFACE (IPI) page (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 16 Hours ago by: Grant Taylor

SCSI hasn't run out of gas. Not if you count SAS or FCP as they are both based on SCSI. SAS is as much SCSI as SATA is ATA. That tiered storage model applies to many different communications technologies. What is NAS if not a prot

Options Increase For Effective Use Of High Performance Winchesters

comp.sys.ibm.ps2.hardware

Posted: 13 Days 18 Hours ago by: Louis Ohland

http://ps-2.kev009.com/ohland/SCSI/High_Performance_Winchesters.html A comparison of SMD and IPI.

Re: INTELLIGENT PERIPHERAL INTERFACE (IPI) page (thread)

comp.sys.ibm.ps2.hardware

Posted: 13 Days 19 Hours ago by: RickE

Some things never really take off. ATA was "good enough" for even low-end servers, most servers used SCSI until it ran out of gas, today low-end servers use SATA, mid-end servers usually use NVMe or SAS, high-end servers use some flavor o

INTELLIGENT PERIPHERAL INTERFACE (IPI) page

comp.sys.ibm.ps2.hardware

Posted: 13 Days 22 Hours ago by: Louis Ohland

http://ps-2.kev009.com/ohland/SCSI/Intelligent_Peripheral_Interface.html Supposedly IPI was a thing for high end servers. SOOOO impressive that there is limited mention of it?

8 bit IDE (XTA) Replacement Project

comp.sys.ibm.ps2.hardware

Posted: 15 Days 1 Hour ago by: Louis Ohland

https://forum.vcfed.org/index.php?threads/8-bit-ide-xta-replacement-project.1224016/ Drives used in Model 30 and PS/1 [not a typo!].

Q134452: Setup Does Not Detect Standard IDE Drive On IBM 9553 [Win95]

comp.sys.ibm.ps2.hardware

Posted: 15 Days 1 Hour ago by: Louis Ohland

https://jeffpar.github.io/kbarchive/kb/134/Q134452/

Digi International/Central Data Operations FTP Index - outflux ...

comp.sys.ibm.ps2.hardware

Posted: 15 Days 15 Hours ago by: Louis Ohland

https://outflux.net/unix/software/sts/download/firmware/CenData/00_index.htm

CONTEC products 89/90

comp.sys.ibm.ps2.hardware

Posted: 15 Days 23 Hours ago by: Louis Ohland

https://ia902608.us.archive.org/0/items/IBM-Microsoft-PCExpansionHardware-Contec-ProductHandbook1989-90OCR/IBM-Microsoft-PCExpansionHardware-Contec-ProductHandbook1989-90OCR.pdf

[Update] 5140 - PC Convertible

comp.sys.ibm.ps2.hardware

Posted: 16 Days 16 Hours ago by: Tomas Slavotinek

https://www.ardent-tool.com/5140/ All memory-related info is on a separate page now: https://www.ardent-tool.com/5140/Memory.html Includes photos of all memory cards (thx David) and an outline of the 384K STB card. Video stuff was moved

[Update] MDSI Video Adapter

comp.sys.ibm.ps2.hardware

Posted: 16 Days 16 Hours ago by: Tomas Slavotinek

https://www.ardent-tool.com/video/MDSI.html Special thanks to Ando Lilleleht for the photos and other material.

Re: Linked In Park Re: PC Bus Performance NuBus vs Micro Channel page (thread)

comp.sys.ibm.ps2.hardware

Posted: 16 Days 16 Hours ago by: Tomas Slavotinek

https://www.ardent-tool.com/tech/NuBus_vs_MCA_Performance.html On 06.05.2022 1:10, Tomas Slavotinek wrote:

Re: Using Bidirectional Parallel Printer Ports (thread)

comp.sys.ibm.ps2.hardware

Posted: 16 Days 16 Hours ago by: Tomas Slavotinek

https://www.ardent-tool.com/comms/Using_Bidir.html On 29.04.2022 5:26, Louis Ohland wrote:

Re: Getting to Know the RS-232 Standard - page created (thread)

comp.sys.ibm.ps2.hardware

Posted: 16 Days 16 Hours ago by: Tomas Slavotinek

https://www.ardent-tool.com/comms/Getting_Know_RS232.html On 03.05.2022 20:47, Louis Ohland wrote:

Re: Disk Interfaces for the High End page created (thread)

comp.sys.ibm.ps2.hardware

Posted: 16 Days 20 Hours ago by: Louis Ohland

Images linked. Slight formatting errata corrected. On 5/6/2022 12:27, Louis Ohland wrote:

Disk Interfaces for the High End page created

comp.sys.ibm.ps2.hardware

Posted: 16 Days 21 Hours ago by: Louis Ohland

http://ps-2.kev009.com/ohland/misc/High_End_Disk_Interfaces.html ESDI and SCSI OCR had a bad day, so reformatting the body text was a line by line slog. Haven't pulled any images out ye.

Re: Examining ESDI and SCSI (thread)

comp.sys.ibm.ps2.hardware

Posted: 16 Days 23 Hours ago by: Louis Ohland

OCR had a problem. Reformatting will be a beech. On 5/5/2022 20:39, Louis Ohland wrote:

Examining ESDI and SCSI

comp.sys.ibm.ps2.hardware

Posted: 17 Days 13 Hours ago by: Louis Ohland

Gonna be some hot stripping action tonight, boys!

Re: Linked In Park Re: PC Bus Performance NuBus vs Micro Channel page (thread)

comp.sys.ibm.ps2.hardware

Posted: 17 Days 15 Hours ago by: Tomas Slavotinek

Oh boy, that color. The OCR didn't even detect the text... On 04.05.2022 19:59, Louis Ohland wrote:

Re: IBM PS/2 model 55sx. Mark Dodel has found the solution.

comp.sys.ibm.ps2.hardware

Posted: 18 Days 16 Hours ago by: IBMMuseum

This "solution" seemed to propagate after someone said they swapped in a still-sealed Dallas module from a clone to get their 55SX working again (so, of course, the CMOS contents are wrong for the system) - it's also replicated on the 5

Interactive File Transfers Using the GPIB

comp.sys.ibm.ps2.hardware

Posted: 18 Days 16 Hours ago by: Louis Ohland

https://web.archive.org/web/20001025111937/http://www.ni.com/pdf/instrupd/appnotes/an004.pdf

Linked In Park Re: PC Bus Performance NuBus vs Micro Channel page up (thread)

comp.sys.ibm.ps2.hardware

Posted: 18 Days 20 Hours ago by: Louis Ohland

Images Linked. Tom, there are four chunks of code in green boxes in the article. MacII I/O Write MacII I/O Read PS/2 Model 80 I/O Write On 5/4/2022 11:55, Louis Ohland wrote:

PC Bus Performance NuBus vs Micro Channel page up

comp.sys.ibm.ps2.hardware

Posted: 18 Days 21 Hours ago by: Louis Ohland

http://ps-2.kev009.com/ohland/communications/NuBus_vs_MCA_Performance.html I have most images. Not linked yet. The identification of images / tables / figures wasn't the most consistent... The period terminology was "d.m.a.", "d.m.a.c",

Strip-tease Re: PC BUS PERFORMANCE NUBUS VS MICRO CHANNEL (thread)

comp.sys.ibm.ps2.hardware

Posted: 18 Days 23 Hours ago by: Louis Ohland

Stripping to expose this to the world. On 5/1/2022 09:39, Louis Ohland wrote:

Re: Getting to Know the RS-232 Standard - page created (thread)

comp.sys.ibm.ps2.hardware

Posted: 18 Days 23 Hours ago by: Grant Taylor

Some additional comments from my read of the document. - I believe mark / space polarity is inverted between data and control pins. - I find that having two separate grounds; signal and frame, to be ... odd. Pins 7 and 1 on (pres

Re: IBM external modems Re: Getting to Know the RS-232 Standard - (thread)

comp.sys.ibm.ps2.hardware

Posted: 18 Days 23 Hours ago by: Grant Taylor

I would think that technical documentation that came out with the original IBM PC and the likes would have the details that you are looking for. IBM's documentation used to be quite detailed, especially for the things that define how

Re: Getting to Know the RS-232 Standard - page created (thread)

comp.sys.ibm.ps2.hardware

Posted: 18 Days 23 Hours ago by: Grant Taylor

I'm not sure about that. The following quote comes from your page: "In October 1963, RS-232 became RS-232-A and was modified to include a 25-pin connector with a maximum cable length of 50 feet." So, what is different about that 25-pi

IBM external modems Re: Getting to Know the RS-232 Standard - page (thread)

comp.sys.ibm.ps2.hardware

Posted: 19 Days 2 Hours ago by: Louis Ohland

Where are details on the IBM external modems? Like leased-line or stuff used with consoles? My forlorn hope was there exists a DB25 section in the manuel that covers the pinout, maybe findting out what "Pin 12" is all about... On 5/4/2

Re: Getting to Know the RS-232 Standard - page created (thread)

comp.sys.ibm.ps2.hardware

Posted: 19 Days 2 Hours ago by: Louis Ohland

From a blurry stroboscopic tour, I think -A was not specific enough for conductors. -B? -C did not have DB25, RS232 is one of those things that "everybody knows", but the actual details are not known... I need to findt some good RS232

Re: Getting to Know the RS-232 Standard - page created (thread)

comp.sys.ibm.ps2.hardware

Posted: 19 Days 9 Hours ago by: Grant Taylor

Having just read a 60 page book on RS-232, I'll give your page a read for comparison. Um ... so what port was the RS-232 standard using before the D revision? Or was it purely electrical and signaling with no physical form factor spe

Images linked [MAJ Tom, back to work] Re: Getting to Know the RS-232 (thread)

comp.sys.ibm.ps2.hardware

Posted: 19 Days 18 Hours ago by: Louis Ohland

Getting to Know the RS-232 Standard - page created

comp.sys.ibm.ps2.hardware

Posted: 19 Days 19 Hours ago by: Louis Ohland

http://ps-2.kev009.com/ohland/serial/Getting_to_Know_RS-232.html Finished reformatting the text, but there are no images yet. Nothing earthshaking, just starting to gather period information on serial ports. My SWAG is the Model 90 uses

Re: Mirror of 3com ftp site?

comp.sys.ibm.ps2.hardware

Posted: 19 Days 20 Hours ago by: Justin Goldberg

Here's a working 3com ftp mirror from my bookmarks. I verified a few pdfs. If you can't find a file, arrow back to the older mirrors. https://web.archive.org/web/20120724033845/http://www.mirrorservice.org:80/sites/ftp.3com.com/pub Post

National Instruments MC-GPIB versions (thread)

comp.sys.ibm.ps2.hardware

Posted: 21 Days 13 Hours ago by: Louis Ohland

Early 180600-01 TURBO488 [NI 700454-01] fabbed by ST and NEC uPD7210C 8MHz clock? Late 181165-01 TURBO488BPL, fabbed by Toshiba? VLSI VGT8001-4057 NS NAT4882BPL 20MHz clock? The TNT488 chip was never used on Micro Channel, but damn near

NEC uPD7210C datasheet (thread)

comp.sys.ibm.ps2.hardware

Posted: 21 Days 13 Hours ago by: Louis Ohland

https://datasheetspdf.com/pdf-file/609317/NEC/UPD7210C/1

Re: Using Bidirectional Parallel Printer Ports (thread)

comp.sys.ibm.ps2.hardware

Posted: 21 Days 19 Hours ago by: IBMMuseum

He's probably just referring to the parallel port being in SPP mode after boot...

High-Performance Single-Chip,GPIB Talker/Listener (thread)

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Louis Ohland

https://datasheet.datasheetarchive.com/originals/library/Datasheets-UD1/DSAUD003502.pdf I think the MC-GPIB does not have the TNT chip :(

Scientific_Solutions_®_Inc._MC-IEEE488 (thread)

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Louis Ohland

https://scientific-solutions.com/products/ieee488/ieee488_spec.html (NEC7210)

THE PC INSTRUMENT BUS (thread)

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Louis Ohland

https://worldradiohistory.com/UK/Wireless-World/90s/Wireless-World-1990-04.pdf pages 47-50

PC BUS PERFORMANCE NUBUS VS MICRO CHANNEL (thread)

comp.sys.ibm.ps2.hardware

Posted: 22 Days ago by: Louis Ohland

https://worldradiohistory.com/UK/Wireless-World/80s/Wireless-World-1988-09.pdf pages 18-21 physical

MC-GPIB, GPIB-RS/6000 (thread)

comp.sys.ibm.ps2.hardware

Posted: 22 Days ago by: Louis Ohland

https://datasheet.datasheetarchive.com/originals/library/Datasheets-UD1/DSAUD003212.pdf

External GPIB Controller,for the PC Parallel Port GPIB-1284CT (thread)

comp.sys.ibm.ps2.hardware

Posted: 22 Days ago by: Louis Ohland

https://datasheet.datasheetarchive.com/originals/library/Datasheets-UD1/DSAUD003516.pdf

Re: NI archived documents for MC-GPIB (thread)

comp.sys.ibm.ps2.hardware

Posted: 22 Days ago by: Louis Ohland

https://datasheet.datasheetarchive.com/originals/library/Datasheets-UD1/DSAUD003515.pdf Do tell.... HS488 The NB-GPIB/TNT uses a high-speed GPIB protocol (HS488). HS488, patented by National Instruments, increases the maximum data transfe

NI archived documents for MC-GPIB (thread)

comp.sys.ibm.ps2.hardware

Posted: 22 Days 1 Hour ago by: Louis Ohland

Re: USB to GPIB as Win7 networking? (thread)

comp.sys.ibm.ps2.hardware

Posted: 22 Days 1 Hour ago by: Louis Ohland

https://www.ni.com/pdf/manuals/370948a.pdf page 17 physical Hardware Description The MC-GPIB transforms any IBM PS/2 or compatible computer equipped with 16-bit Micro Channel slots into a full-functioned Talker/Listener/ Controller. The N

USB to GPIB as Win7 networking?

comp.sys.ibm.ps2.hardware

Posted: 22 Days 1 Hour ago by: Louis Ohland

Idly trolling thru 422 communications, looked at GPIB. Max rate 1MB/s, or 8Mbit/s. Close to Evilnet... Would an NI GPIB adapter be able to communicate as a serial port to Win7 using a USB to GPIB cable? https://ardent-tool.com/comms/Nat

Re: SCSI Blue, an open source project (thread)

comp.sys.ibm.ps2.hardware

Posted: 23 Days 15 Hours ago by: Louis Ohland

https://github.com/erichelgeson/BlueSCSI/wiki/Supported-Systems PC Working Adaptec AHA-1540/42CP SCSI controller (tested by Deksor)

Re: [Idea] BlueSCSI as USB Keyboard/Mouse Adaptor for Vintage Macs (thread)

comp.sys.ibm.ps2.hardware

Posted: 24 Days 10 Hours ago by: Louis Ohland

Well, all PS/2 that need SCSI are using a 386 at a minimum. One issue with the early Macs was the limited CPU power. I'm not a Mac Fanboy, so what SCSI controllers in use are unknown. Possumbly, the 8032 / 80C188 on the IBM SCSI control

Using Bidirectional Parallel Printer Ports

comp.sys.ibm.ps2.hardware

Posted: 24 Days 11 Hours ago by: Louis Ohland

http://ps-2.kev009.com/ohland/parallel/Using_Bidirectional_Parallel_Printer_Ports.html Odd, the author sez the Model 50 needs a QBASIC program to set it to BiDi. Near the end, he says "forcing" non-BiDi to BiDi can be hard on the drivers

Re: [Idea] BlueSCSI as USB Keyboard/Mouse Adaptor for Vintage Macs #68 (thread)

comp.sys.ibm.ps2.hardware

Posted: 24 Days 15 Hours ago by: Shane Benting

I've been meaning to test one of my BlueSCSIs on my PS/2s, but it's a bit far down my backlog at the moment (I've got to finish assembling more of them first!) In theory it should work, but I know the BlueSCSI has some issues on certain Am

[Idea] BlueSCSI as USB Keyboard/Mouse Adaptor for Vintage Macs #68 (thread)

comp.sys.ibm.ps2.hardware

Posted: 25 Days 2 Hours ago by: Louis Ohland

https://github.com/erichelgeson/BlueSCSI/discussions/68

Confirmed - working with TEKRAM DC-395U SCSI-II controller #55 Re: (thread)

comp.sys.ibm.ps2.hardware

Posted: 25 Days 2 Hours ago by: Louis Ohland

BlueSCSI but similar https://github.com/erichelgeson/BlueSCSI/discussions/55

Hard Drive & ISO image files (thread)

comp.sys.ibm.ps2.hardware

Posted: 25 Days 2 Hours ago by: Louis Ohland

https://github.com/AzulSCSI/AzulSCSI-firmware/blob/main/README.md AzulSCSI uses the same type of (raw) hard drive image file as that of BlueSCSI instructions. Examples of valid filenames: HD5.hda or HD5.img: hard drive with SCSI I

Re: ArdentSCSI ? Re: AzulSCSI (thread)

comp.sys.ibm.ps2.hardware

Posted: 25 Days 2 Hours ago by: Louis Ohland

Possumble. These are Mac fanboyz and they use non-intel CPUs and non-IBM SCSI controllers. -BUT- SCSI is still SCSI. What caught my attention was Asynch transfers are mentioned, while Synch are faster. I wasn't able to findt documentati

Re: ArdentSCSI ? Re: AzulSCSI (thread)

comp.sys.ibm.ps2.hardware

Posted: 25 Days 10 Hours ago by: lharr...@gmail.com

Will the current version work on an IBM SCSI card anyway?

0661 Media transfer rate (thread)

comp.sys.ibm.ps2.hardware

Posted: 27 Days 1 Hour ago by: Louis Ohland

The -467 has a media transfer rate of 2MB/s, buffer to host 5MB/s

Re: ArdentSCSI ? Re: AzulSCSI (thread)

comp.sys.ibm.ps2.hardware

Posted: 27 Days 1 Hour ago by: Louis Ohland

Opops, Synch transfers, not Async ? On 4/26/2022 07:48, Louis Ohland wrote:

ArdentSCSI ? Re: AzulSCSI (thread)

comp.sys.ibm.ps2.hardware

Posted: 27 Days 1 Hour ago by: Louis Ohland

My unease with the SCSI2SD is the dependence on the micro USB port for configuration / flashing. In this case, the ini and firmware are on the SD card. Performance looks to be equivalent to the SCSI2SD ver 5.x Methinks a PS/2 specific

Re: AzulSCSI (thread)

comp.sys.ibm.ps2.hardware

Posted: 27 Days 2 Hours ago by: Louis Ohland

https://azulscsi.com/aboutazul/ About AzulSCSI firmware The AzulSCSI firmware looks for file names which adhere to a simple but powerful naming convention, and presents them as the drives to the SCSI host. Each image file represents a

AzulSCSI

comp.sys.ibm.ps2.hardware

Posted: 27 Days 2 Hours ago by: Louis Ohland

https://azulscsi.com/

You look pretty buff Re: Latency vs speed Re: SCSI Blue, an open (thread)

comp.sys.ibm.ps2.hardware

Posted: 28 Days 13 Hours ago by: Louis Ohland

Adding a buffer to the BlueSCSI of a size to offset the lower speed MIGHT be gainful. Perhaps comparing the disk to adapter sustained transfer rates would be a good target to shoot for? Later versions could improve the transfer. On 4/2

Latency vs speed Re: SCSI Blue, an open source project (thread)

comp.sys.ibm.ps2.hardware

Posted: 28 Days 13 Hours ago by: Louis Ohland

Wonder what the "feel" of a Spock with a mechanical HDD compared to a AzulSCSI / BlueSCSI SD combo. At the start of the transfer, the BlueSCSI should beat the pants off an actual HD. However, in time the thundering herd will overwhelm t

Re: SCSI Blue, an open source project (thread)

comp.sys.ibm.ps2.hardware

Posted: 28 Days 13 Hours ago by: Louis Ohland

There are older PS/2s with 5MB/s on the system board. Something in that range would be sufficient. Unfortunately, IBM never made any narrow/fast SCSI adapters [other than 4-4 for RS/6000]. Love to see the throughput of a 5MB/s on a Patr

Re: SCSI Blue, an open source project (thread)

comp.sys.ibm.ps2.hardware

Posted: 28 Days 17 Hours ago by: Shane Benting

BlueSCSI is about 1MB/s throughput currently, but super low latency. It's great for older systems. I've been meaning to try it out on some of my PS/2s. -Shane On Thursday, April 21, 2022 at 9:16:24 AM UTC-7, Louis Ohland wrote:

Auction: wide SCSI internal corvette cable (model 77) was: Auction: 4 (thread)

comp.sys.ibm.ps2.hardware

Posted: 29 Days 22 Hours ago by: Wolfgang Gehl

https://www.ebay.com/itm/194926624197 16bit internal corvette cable part# 61G3509 for model 77 4 drops, one with terminator 2 available Wrong description except for the IBM PN 61G3509. Perfect for connecting standard wide SCSI device

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