HELP - Can't indentify this MBO Socket 7 \ VOGONS

HELP - Can't indentify this MBO Socket 7

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First post, by butjer1010

Posted on 2022-07-05, 10:46

butjer1010 Offline

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Hi, i was trying to find anything about this board, but all i can find on ultimateretro (and google) is Jamicon KM-V5-V2 (on my board the name is same), but jamicon board is very different than mine. Has somebody have some info about this board, thanks in advance!

Picture with black background is mine, second one is from internet.

Reply 1 of 2, by dionb

Posted on 2022-07-05, 11:21

dionb Online

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Those are two different boards, the top the (stunningly beautiful symmetrical) KM-V5-VPX, the bottom the KM-V5-V2, so no wonder they look different.

But - they are also excellently documented looking at the silkscreen. Most info I would need is already there on the bottom one:

- voltage is a nicely simple single-jumper config at the bottom of the board (in front of the ISA slot), documented next to the jumper.
- bus speeds are JCK1-JCK3, documented above the VPX northbridge
- multiplier are BF0-BF2, documented between north and southbridge

Apart from that it's just Via VPX specs, so (slow-ish) EDO and primitive (i430VX-comparible) SDRAM support.

Reply 2 of 2, by butjer1010

Posted on 2022-07-05, 12:35

butjer1010 Offline

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Rank: Oldbie
Posts: 584
Joined: 2021-05-14, 13:21
Location: Croatia

dionb wrote on 2022-07-05, 11:21:
Those are two different boards, the top the (stunningly beautiful symmetrical) KM-V5-VPX, the bottom the KM-V5-V2, so no wonder […]
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Those are two different boards, the top the (stunningly beautiful symmetrical) KM-V5-VPX, the bottom the KM-V5-V2, so no wonder they look different.

But - they are also excellently documented looking at the silkscreen. Most info I would need is already there on the bottom one:

- voltage is a nicely simple single-jumper config at the bottom of the board (in front of the ISA slot), documented next to the jumper.
- bus speeds are JCK1-JCK3, documented above the VPX northbridge
- multiplier are BF0-BF2, documented between north and southbridge

Apart from that it's just Via VPX specs, so (slow-ish) EDO and primitive (i430VX-comparible) SDRAM support.

On UltimateRetro page, this picture is under KM-V5-V2/Km-V5-VPX. Motherboard works (VGA works only in third PCI slot???), but i had worries to flash newer BIOS downloaded from this page, even if it said it is for KM-V5-V2, but the picture is different. I'm afraid to make mistake 😀
Thanks

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