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Re: How to modyfy SOYO SY-4SAW2 to take Lithium Cell, instead of Nickel rechargeable. Bios upgrading.

Yep, I just examined the board in daylight, it's just the coating that got discolored.... will remove it from the case an clean it up better tomorrow at my office and decide what to do with it. Luckily none of the nearby components or thiner tracks got affected :) The board also has pins for …

Re: How to modyfy SOYO SY-4SAW2 to take Lithium Cell, instead of Nickel rechargeable. Bios upgrading.

I am resurrecting this thread because I got back my SY-4SAW2 system and upon checking I found the dreaded V11H battery was starting to leak... fortunately it was in the beginning and no serious damage was done... here are 2 pics with the barrel battery removed: http://i42.tinypic.com/2u5t91j.jpg …

Re: 486 maximum hard drive size

in PC Emulation
total memory.... 16,239,616 16MiB=16,777,216 (16*1024*1024) 640KiB=655,360 LOL I never looked on the 655.360 value... so it does take some mem... I always thought it updated the bios shadow area or something like that... The 16MB value is OK though as the IBM machine allows a total of 15.872 kb …

Re: 486 maximum hard drive size

in PC Emulation
Interesting, I never thought it would consume any ram at all, from what I understood it just patched the bios to enable correct hdd support, I always thought it used the ram assigned to BIOS that is not usable at the end user ....

Re: 486 maximum hard drive size

in PC Emulation
jaqie is on the right track IMHO. I use OnTrack Disk Manager with my IBM 386 machine and I have installed and working a 20GB HDD on it.... no need to hunt down scsi controllers and horrible old scsi drives....

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