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computers / comp.sys.ibm.ps2.hardware / Looking for 335W or 400W PSU to my IBM 8595 PC Server

SubjectAuthor
* Looking for 335W or 400W PSU to my IBM 8595 PC ServerPertti Helander
`* Re: Looking for 335W or 400W PSU to my IBM 8595 PC ServerPertti Helander
 `- What is the board power draw?Louis Ohland

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Looking for 335W or 400W PSU to my IBM 8595 PC Server

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Subject: Looking for 335W or 400W PSU to my IBM 8595 PC Server
From: pertti.h...@pp.nic.fi (Pertti Helander)
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 by: Pertti Helander - Tue, 31 Jan 2023 18:48 UTC

My 8585 329W Schrack PSU was faulty and I´m looking for a replacement PSU to buy. If someone has an extra working PSU to sell and he or she lives in EU country, please contact me by email. I´ve seen some 8595 PSUs on Ebay but thore are in US and shipping and other cost are too much for me. I live in Finland.

Re: Looking for 335W or 400W PSU to my IBM 8595 PC Server

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Subject: Re: Looking for 335W or 400W PSU to my IBM 8595 PC Server
From: pertti.h...@pp.nic.fi (Pertti Helander)
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 by: Pertti Helander - Wed, 1 Feb 2023 22:43 UTC

tiistai 31. tammikuuta 2023 klo 20.48.46 UTC+2 Pertti Helander kirjoitti:
> My 8595 329W Schrack PSU was faulty and I´m looking for a replacement PSU to buy. If someone has an extra working PSU to sell and he or she lives in EU country, please contact me by email. I´ve seen some 8595 PSUs on Ebay but thore are in US and shipping and other cost are too much for me. I live in Finland.
I´´m looking to buy 335W or 400W PSU to my 8595-AKD from Europa. If I don´t find one my 8595 is useless. I´m after many years been interested in MCA PCs and dug up my old 8595 and some MCA parts from lager, some of them I have sold on Ebay or an other MCA fan.
I don´t have any other MCA PCs to work with so I must neither recycle my 8595 it nor sell it by parts.

What is the board power draw?

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From: ohl...@charter.net (Louis Ohland)
Newsgroups: comp.sys.ibm.ps2.hardware
Subject: What is the board power draw?
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 by: Louis Ohland - Sat, 18 Mar 2023 01:59 UTC

IBM set +12v, +5v, and -5v power for each slot, and the cumulative power
of all slots.

BUT I am not sure if they published the power draw for the board itself.
I >think< each SIMM can draw up to 1.5A for the 32MB SIMM size. We lack
the data sheet for each size of SIMM.

I >think< the three device power taps are short circuit protected, but
what are the power limits per outlet? Dunno.

Louis Ohland wrote:
> Don't run a RAID system with 2x 3 drive RAID cages, plus a single RAID bay.
>
> I've run a 400w on an 8595, no issues, but you have to be reasonable.
> C'mon, you had 335w before [or 329w]. Just that the 95 SSSP planar lacks
> the four PTCs used by the DSDP planar.
>
> How many times did you short out your 335w by drawing too much power?
>
> Methinks overloading a 95 might take a lot of drives.
>
> BUT... if you REALLY wandt to be sure, get a KILL-A-WATT meter or other
> current meter and measure the amp draw.
>
>
>
> Pertti Helander wrote:
>> torstai 2. maaliskuuta 2023 klo 0.51.46 UTC+2 Pertti Helander kirjoitti:
>>> torstai 2. helmikuuta 2023 klo 0.43.14 UTC+2 Pertti Helander kirjoitti:
>>>> tiistai 31. tammikuuta 2023 klo 20.48.46 UTC+2 Pertti Helander
>>>> kirjoitti:
>>>>> My 8595 329W Schrack PSU was faulty and I´m looking for a
>>>>> replacement PSU to buy. If someone has an extra working PSU to sell
>>>>> and he or she lives in EU country, please contact me by email. I´ve
>>>>> seen some 8595 PSUs on Ebay but thore are in US and shipping and
>>>>> other cost are too much for me. I live in Finland.
>>>> I´´m looking to buy 335W or 400W PSU to my 8595-AKD from Europa. If
>>>> I don´t find one my 8595 is useless. I´m after many years been
>>>> interested in MCA PCs and dug up my old 8595 and some MCA parts from
>>>> lager, some of them I have sold on Ebay or an other MCA fan.
>>>> I don´t have any other MCA PCs to work with so I must neither
>>>> recycle my 8595 it nor sell it by parts.
>>> I find one 400V and ordered it from USA.
>> I got it to day!
>> Is there something I must be aware when I install this Delta 400W PSU
>> to my 8595-AKD to replace broken Schrack 329W PSU?
>> My 8595 has type 4 processor complex with 486DX-66 CPU.
>>

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