msi 5128 v1.1 hardware confirmation! \ VOGONS

msi 5128 v1.1 hardware confirmation!

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First post, by RetroElectric

Posted on 2023-09-30, 21:04

RetroElectric Offline

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Joined: 2023-09-30, 20:48

hello

can any body confirm that:

msi 5128 v1 max ram is 256
and
msi 5128 v1.1 max ram is 512

i found contradicted info in internet and dont want to risk to buy 512 ram to my board!

anyone tried to install IDT WinChip 2-200mhz ?
cpu support list shows possibility.
But no matter what i do system shows only 66mhz. (tried a lot of combinations with 5switch and voltage jumpers)

thanks

Reply 1 of 4, by dominusprog

Posted on 2023-09-30, 22:05

dominusprog Offline

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MSI MS-5128 v1.1 support up to 512MiB of RAM. If you are planning to use it for DOS, don't install anything larger than 64MiB.
WinChip 2 200MHz has a external clock of 66MHz and a multiplier of 3 with a core voltage of 3.5V.

SW1=0 / 0 / 1 / 0 / 0 / 0
JV2=Open / JV3=Close / JV4=2-3 / JV5=Open / JV6=Open

https://theretroweb.com/motherboards/s/msi-ms … 28-ver.-1.1-tr4
https://www.cpu-world.com/CPUs/Winchip2/IDT-W … 3DEE200GSA.html

A-Trend ATC-1020 V1.1 ❇ Cyrix 6x86 150+ @ 120MHz ❇ 32MiB EDO RAM (8MiBx4) ❇ A-Trend S3 Trio64V2 2MiB
Creative AWE64 Value ❇ 8.4GiB Quantum Fireball ❇ Win95 OSR2 Plus!

Reply 2 of 4, by RetroElectric

Posted on 2023-10-07, 21:09

RetroElectric Offline

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Rank: Newbie
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Joined: 2023-09-30, 20:48

hello

thanks for help .
i tried that combination too. but no success. bios stil shows 66mhz.

what bios version do you have?
mine is wh78. will try to update to 79 or later and see.

Reply 3 of 4, by Nvm1

Posted on 2023-10-07, 21:24

Nvm1 Offline

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Never trust what the bios displays.
Check with software how it benchmarks to see what speed it runs.
Had a lot of bios mismatches between displayed speed and actual speed, sure with lesser known/used cpu's like the IDT's

Reply 4 of 4, by Horun

Posted on 2023-10-08, 01:20

Horun Offline

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Agree ! Very few bios report Winchips proper from my little experience with them....

Hate posting a reply and then have to edit it because it made no sense 😁 First computer was an IBM 3270 workstation with CGA monitor. Stuff: https://archive.org/details/@horun

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