Unknown mobile relic

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Unknown mobile relic

Postby Ttnaa » Mon Feb 19, 2018 12:38 pm

Recently I've visited my parents home and found this dinosaur mobile on the shelf. I tried to identify it but it was hard quest, one thing that I know that's the UMC chipset (the text was erased by someone), photo attached. Please help me out

https://drive.google.com/file/d/1lHYDxc ... p=drivesdk
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Re: Unknown mobile relic

Postby Karlsweldt » Tue Feb 20, 2018 8:34 am

Could be from one of many brands. Note one chipset marked "PC Chips". The '94-27' text under the brand narrows down its creation a bit.. 27th week of 1994. But the only true ID of that board is from the BIOS string in the bottom left corner of the first video image.
You cannot use both 30-pin and 72-pin memory modules together. Best would be two 8 MB single-density 70ms (µs) modules, plus a 256k or better video card and I/O card plus floppy drive to satisfy BIOS basics.. plus keyboard. Check the battery is at least 3 volts from the top cap (+) to any bare metal point (-) on the board.. the keyboard shield.
At least the board does have some diagrams of jumper settings!
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Re: Unknown mobile relic

Postby evasive » Wed Feb 21, 2018 2:26 am

This looks to be the PCChips M912:
http:/www.elhvb.com/webhq/models/486vlb3/m912v14.htm
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