[IDENTIFIED!]Identify the board, need manual: 386/387, SIS

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[IDENTIFIED!]Identify the board, need manual: 386/387, SIS

Postby Taro1234 » Sun Sep 06, 2015 6:12 am

Hi guys,

would someone please help me to identify this board? Frankly speaking, I need the full manual for this one - but can't find the thing...
Image
Image
Image
Image

Thanks!!
Last edited by Taro1234 on Fri Sep 11, 2015 4:20 am, edited 1 time in total.
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Re: Identify the board, need manual: 386/387, SIS chipset

Postby Karlsweldt » Sun Sep 06, 2015 4:15 pm

Had a good look at that board with an 'expanded' view, no other markings. And a search for the "STD" or "EP4130" turned up nothing. Some clues: SIS chipset, and on one edge there is an extra pair of bus slots.. likely for added memory card.
You might be able to find a diagram of that motherboard at Stason.. http://stason.org/TULARC/pc/motherboards/#.VezWRn3mnts
Our Administrator evasive has an archive of older boards.. http://www.elhvb.com/
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Re: Identify the board, need manual: 386/387, SIS chipset

Postby Taro1234 » Sun Sep 06, 2015 4:29 pm

Karlsweldt wrote:You might be able to find a diagram of that motherboard at Stason.. http://stason.org/TULARC/pc/motherboards/#.VezWRn3mnts

Tried that website, but found nothing. That's why I am here... :)
I will try the second link. Thanks!
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Re: Identify the board, need manual: 386/387, SIS chipset

Postby Karlsweldt » Mon Sep 07, 2015 6:40 am

Finding a photo match of your motherboard should reveal its parentage.
The info in the lower left corner of the BIOS screen is a positive ID of the system, and date of creation. But for that long string of characters, nothing positive. Only the "-02091-SISC" is significant, likely the 1991 conception date, with chipset class.
There were several options for entering the BIOS, mainly the [del] key during initial BIOS info pages. But there also was the [ctrl+alt+s], the [ctrl+alt+end], and [ctrl+alt+ent]. Also, the "F2" or "F10" key. A lot of older Compaq systems flashed a tiny box at the top of the screen, and you had only a second or two to press the "F10" key.
As to the 'CMOS display type mismatch", there should be a control line in the BIOS for setting. A lot of older motherboards did have a jumper for mono/color display. Not that many jumpers on the board, so all settings should be within the BIOS.
The 8 memory modules appear to be 72-pin SIMMS. I do not note a battery clip on that board. But 4 pins next to the keyboard socket are for an external battery, 3.6 volts nominal. Pin #1 should be the positive, #4 should be the negative or ground pin. Check with an ohmmeter to the keyboard shield.
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Re: Identify the board, need manual: 386/387, SIS chipset

Postby evasive » Tue Sep 08, 2015 12:46 pm

That is an Octek board, currently trying to find out which of the "Panther" series it is.
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Re: Identify the board, need manual: 386/387, SIS chipset

Postby evasive » Tue Sep 08, 2015 10:52 pm

It's not a Panther but the Octek Jaguar 2. It differs from the Jaguar 1 in having an additional slot next to the memory banks in which you can put an extension card for another 8 30-pin SIMMs.

Manual:
http://www.elhvb.com/mobokive/Archive/O ... Manual.zip

That is about as good as it gets. Thank you for making a screenshot of the bios, another string is known now.

For future reference (and Google searches):
Octek Jaguar 2 (EP4130-0005)
30-0100-006069-00101111-020291-SISC

If you can get this thing to actually boot from a disk, could you try and backup the bios with uniflash or flashrom? That would be nice for the collection.
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Re: Identify the board, need manual: 386/387, SIS chipset

Postby Karlsweldt » Wed Sep 09, 2015 6:22 am

Good find, evasive. I went through every image of 386 boards at Stason, nothing identical.. a few close, but not close enough.
Just found a listing of Octek board models at http://www.motherboard.cz/octek.htm but nothing described before socket 370 or socket A. Older Jaguar, Rhino, Fox and Panther are just name listings.
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Re: Identify the board, need manual: 386/387, SIS chipset

Postby evasive » Wed Sep 09, 2015 10:48 am

the 006069 AMI ID string got me on the trail of Octek, after that it was a matter of finding what board is having this chipset (85c320/85c330) and the memory layout was the last piece of the puzzle. the manuals I downloaded long ago.
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Re: Identify the board, need manual: 386/387, SIS chipset

Postby rascard2007 » Thu Sep 10, 2015 7:28 am

Very nice work! evasive, Sherlock Homes will be proud of You!
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Re: Identify the board, need manual: 386/387, SIS chipset

Postby Taro1234 » Thu Sep 10, 2015 7:52 am

evasive wrote:It's not a Panther but the Octek Jaguar 2. It differs from the Jaguar 1 in having an additional slot next to the memory banks in which you can put an extension card for another 8 30-pin SIMMs.
Manual:
http://www.elhvb.com/mobokive/Archive/O ... Manual.zip
That is about as good as it gets. Thank you for making a screenshot of the bios, another string is known now.

WOW!!! You're my hero!! :)
THANKS!!!

evasive wrote:If you can get this thing to actually boot from a disk, could you try and backup the bios with uniflash or flashrom? That would be nice for the collection.

I would try that, if you send me the dumper.exe.
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