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computers / comp.sys.mac.system / Monotor Interfaces

SubjectAuthor
* Monotor InterfacesJF Mezei
+* Re: Monotor InterfacesLewis
|`- Re: Monotor InterfacesJF Mezei
`- Re: Monotor InterfacesDavid Sankey

1
Monotor Interfaces

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From: jfmezei....@vaxination.ca (JF Mezei)
Subject: Monotor Interfaces
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 by: JF Mezei - Mon, 27 Sep 2021 01:38 UTC

Trash Can (2013 Mac Pro)

Tech specs:

Display Support

Connect up to:
Three dual-cable 5K displays
Six Thunderbolt displays

Connections and Expansion

4 USB 3
6 Thunderbolt 2
Dual Gigabit Ethernet
HDMI 1.4 Ultra HD

The "6 Thunderbolt display" is misleading because there are internal
limkits once you plug in an HDMI display or any DVI displays with
adpators. (you need to have active adpator). So this machine is very
picky with displays.

Right now I have 2 old NEC DVI displays ( 1280 * 1024 so effective 2560
* 1024 on desktop) (DVI to DisplayPoprt active adaptor for each).

I am not looking for massive displays. This is to work, not play games
and I don't want super small letters since my eyesight not the same as
when I was 20.

Quick look reveals displasy tend to have USB-C or Thunderbolt 3
interfaces. Some have HDMI (which require an active adpator on that MAC
and limit of 2).

QUESTIONS:
So can a simple Thunderbvorl 3 to Thunderbolt 2 adaptor allow new
displays to plug into a Thunderbolt 2/Display Port Mac?

The 3 to 2 (and 2 to 3) adaptor:
> https://www.apple.com/ca/shop/product/MMEL2AM/A/thunderbolt-3-usb-c-to-thunderbolt-2-adapter?fnode=d43c24dbfb677a3acc4aec0a79c29282191ada2120449ef1e86be71f02e1de2973c192e14f0f45b101577dfd656575411b341a8a2f069a8ff545356b639ce6d88b972eef87db07d1ac725a96978a4c79970124edd967255991b36a555dffdb86080087454ce791dacf70c48b2531644c

If this doesn't work, what would be my interface options in finding one
very wide or 2 normal displays to replace my two old ones? If I look
around, apart from USBC/Thunderbolt3 and HDMI, are there other
interfaces still available or are these the 2 left?

I ask prior to starting my shopping so I know what to look for.

Re: Monotor Interfaces

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From: g.kr...@kreme.dont-email.me (Lewis)
Newsgroups: comp.sys.mac.system
Subject: Re: Monotor Interfaces
Date: Mon, 27 Sep 2021 10:25:42 -0000 (UTC)
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 by: Lewis - Mon, 27 Sep 2021 10:25 UTC

In message <yg94J.139455$Kv2.9480@fx47.iad> JF Mezei <jfmezei.spamnot@vaxination.ca> wrote:
> The "6 Thunderbolt display" is misleading

No it's not.

> because there are internal limkits once you plug in an HDMI display or
> any DVI displays

Note that it says THUNDERBOLT DISPLAYS and not HDMI Displays or DVI
Displays.

--
Critics look at actresses one of two ways: you're either bankable or
boinkable.

Re: Monotor Interfaces

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From: David.Sa...@stfc.ac.uk (David Sankey)
Newsgroups: comp.sys.mac.system
Subject: Re: Monotor Interfaces
Date: Mon, 27 Sep 2021 14:50:57 +0100
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 by: David Sankey - Mon, 27 Sep 2021 13:50 UTC

On 27/09/2021 02:38, JF Mezei wrote:
> Trash Can (2013 Mac Pro)
>
> Tech specs:
>
> Display Support
>
> Connect up to:
> Three dual-cable 5K displays
> Six Thunderbolt displays
>
> Connections and Expansion
>
> 4 USB 3
> 6 Thunderbolt 2
> Dual Gigabit Ethernet
> HDMI 1.4 Ultra HD
>
> The "6 Thunderbolt display" is misleading because there are internal
> limkits once you plug in an HDMI display or any DVI displays with
> adpators. (you need to have active adpator). So this machine is very
> picky with displays.
>
> Right now I have 2 old NEC DVI displays ( 1280 * 1024 so effective 2560
> * 1024 on desktop) (DVI to DisplayPoprt active adaptor for each).
>
>
> I am not looking for massive displays. This is to work, not play games
> and I don't want super small letters since my eyesight not the same as
> when I was 20.
>
> Quick look reveals displasy tend to have USB-C or Thunderbolt 3
> interfaces. Some have HDMI (which require an active adpator on that MAC
> and limit of 2).
>
> QUESTIONS:
> So can a simple Thunderbvorl 3 to Thunderbolt 2 adaptor allow new
> displays to plug into a Thunderbolt 2/Display Port Mac?
>
> The 3 to 2 (and 2 to 3) adaptor:
>> https://www.apple.com/ca/shop/product/MMEL2AM/A/thunderbolt-3-usb-c-to-thunderbolt-2-adapter?fnode=d43c24dbfb677a3acc4aec0a79c29282191ada2120449ef1e86be71f02e1de2973c192e14f0f45b101577dfd656575411b341a8a2f069a8ff545356b639ce6d88b972eef87db07d1ac725a96978a4c79970124edd967255991b36a555dffdb86080087454ce791dacf70c48b2531644c
>
> If this doesn't work, what would be my interface options in finding one
> very wide or 2 normal displays to replace my two old ones? If I look
> around, apart from USBC/Thunderbolt3 and HDMI, are there other
> interfaces still available or are these the 2 left?
>
> I ask prior to starting my shopping so I know what to look for.

You need to be very careful.

i) Thunderbolt 3 is not the same as USB-C.

Most monitors that I have seen have been USB-C, not Thunderbolt 3. A
Thunderbolt 3 to 2 adaptor is of no use here.

(similarly Thunderbolt 2 was not the same as DisplayPort, so again a
Thunderbolt 3 to 2 adaptor is of no use)

ii) Not all Thunderbolt 3 to 2 adaptors are bidirectional, some only
supporting Thunderbolt 3 computer, Thunderbolt 2 device.

The plus side here is that the Apple adaptor is bidirectional, so I have
a Thunderbolt 3 RAID connected to an old Thunderbolt 2 Mac mini.

Read <https://support.apple.com/en-gb/HT207266>

D

Re: Monotor Interfaces

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Subject: Re: Monotor Interfaces
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References: <yg94J.139455$Kv2.9480@fx47.iad>
<slrnsl3716.3t1.g.kreme@m1mini.local>
From: jfmezei....@vaxination.ca (JF Mezei)
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 by: JF Mezei - Mon, 27 Sep 2021 19:32 UTC

On 2021-09-27 06:25, Lewis wrote:

> Note that it says THUNDERBOLT DISPLAYS and not HDMI Displays or DVI
> Displays.

The 2013 Mac Pro has a physical HDMI plug. And at the time I bought it
the specs said displayport as well as thunderbolt. So the adaptors I
have and DVI to display port active adaptors not DVI to thunderbolt.

So it isn't clear to me whether display port lives in thunderbolt3 and
can easily be converted to displayport/thunderbolt 2 cables, or whether
it is a superset and not compatible and can't be converted.

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