Newb saying hello and after some help. \ VOGONS

Newb saying hello and after some help.

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First post, by Woody72

Posted on 2021-03-15, 11:12

Woody72 Offline

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Hi All, I'm Guy, 48, from the north of England. I recently abandoned a PII build because a weird mobo meant Win 98SE drivers were a nightmare. I nearly gave up on getting a late 90's gaming computer up and running when I scored a free computer from work (I work in IT in the nuclear industry). It's a Pentium 166MHz MMX with 256MB of EDO memory and a small GForce 2 PCI card. The issue I'm having is identifying the motherboard. I think it's a Supermicro, the logo is the word Super followed by a filled in circle. It says P5-XTRA on it but Googling isn't really finding anything. I want to upgrade the CPU to the 200MHz Pentium MMX or AMD K6 from my CPU collection but will obviously need to set some jumpers. Any ideas?

Modern PC: i7-9700KF, 16GB memory, RTX 3060. Proper PC: Pentium 200 MMX, 128MB EDO memory, GeForce2 MX(200).

Reply 1 of 13, by PARKE

Posted on 2021-03-15, 11:27

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There are two stickers hiding underneath the flat grey ribbon cable on the bottom left. They may well indicate the type of motherboard.

Reply 2 of 13, by Woody72

Posted on 2021-03-15, 11:38

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Thanks PARKE, These are the labels up close but still not finding much. Can we confirm if this logo is even supermicro?

Modern PC: i7-9700KF, 16GB memory, RTX 3060. Proper PC: Pentium 200 MMX, 128MB EDO memory, GeForce2 MX(200).

Reply 3 of 13, by PARKE

Posted on 2021-03-15, 11:53

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It's indeed a Supermicro.
Here general info:
http://www.motherboard.cz/mb/supermicro/SUPER%20P5XTRA.htm

Here an ovevview of jumper settings:
ftp://retronn.de/mirrors/www.elhvb.com_moboki … 30HX_Jumper.htm
(scroll down)

Reply 4 of 13, by Woody72

Posted on 2021-03-15, 13:57

Woody72 Offline

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You absolute star, thanks PARKE!

Modern PC: i7-9700KF, 16GB memory, RTX 3060. Proper PC: Pentium 200 MMX, 128MB EDO memory, GeForce2 MX(200).

Reply 5 of 13, by PARKE

Posted on 2021-03-15, 14:21

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One remark: it seems that this board is quite early and does not support MMX cpu's. If so you need a non-MMX cpu like this one:

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Reply 6 of 13, by weedeewee

Posted on 2021-03-15, 14:30

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PARKE wrote on 2021-03-15, 14:21:

One remark: it seems that this board is quite early and does not support MMX cpu's. If so you need a non-MMX cpu like this one:

fyi on your first link it does say MMX is supported.
the jumper settings just say that non-MMX cpu's require the following jumpers to be set to ...

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Reply 7 of 13, by PARKE

Posted on 2021-03-15, 14:42

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You may well be right.

Reply 8 of 13, by Woody72

Posted on 2021-03-16, 13:00

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It's a bit of an odd board for socket 7. It came with a Pentium 166MHz MMX so does support it but it doesn't support a 75MHz bus speed or 2.2 volt vCore so it doesn't support AMD K5 or K6 chips which I thought Socket 7 boards were supposed to.

Modern PC: i7-9700KF, 16GB memory, RTX 3060. Proper PC: Pentium 200 MMX, 128MB EDO memory, GeForce2 MX(200).

Reply 9 of 13, by PARKE

Posted on 2021-03-16, 13:32

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The ICS9169C frequency generator chip in the upper right section supports also 55, 75, and 83.3 bus speeds but Supermicro has obviously chosen, for reasons unknown, to make only 50, 60 and 66.6 bus speeds available via the 3x2 jumper setup.

Filename: ICSIS00968-1.pdf
File size: 240.68 KiB
Downloads: 29 downloads
File license: Fair use/fair dealing exception

Reply 10 of 13, by PARKE

Posted on 2021-03-16, 13:52

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Btw, Vogons member Deksor is working on a project to document motherboards:
http://www.win3x.org/uh19/

Your motherboard is not in there (yet), maybe you can supply a nice photo ?

Reply 11 of 13, by Woody72

Posted on 2021-03-16, 15:39

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I'd be happy to, I'll see what I can come up with tonight.

Modern PC: i7-9700KF, 16GB memory, RTX 3060. Proper PC: Pentium 200 MMX, 128MB EDO memory, GeForce2 MX(200).

Reply 12 of 13, by PARKE

Posted on 2021-03-16, 16:33

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Great.
One aspect I wanted to ask you. In your first post you mention 'late 90's gaming' but I wonder if this setup is able to provide you with the necessary power for that ?

Reply 13 of 13, by evasive

Posted on 2021-04-28, 08:31

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http://www.win3x.org/uh19/motherboard/show/8203
added to UH19

I've added the bios but can't extract the string at work. If you have a different revision on your board, please make a dump as well before upgrading.

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