Genoa TurboExpress... ver. B?

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Genoa TurboExpress... ver. B?

Postby ianromanick » Wed Mar 15, 2017 11:39 pm

This is probably the wrong forum since I know what the motherboard is... the BIOS tells me

GENOA TurboExpress (Ver. B)

The giant AMI BIOS string is 40-0000-001470-00101111-060692-SIS3486-F

It's a lot like the TurboExpress 486VL (http://th99.classic-computing.de/src/m/E-H/31776.htm) except it has only 2 VLB slots and the jumpers are different. Anyone know what the jumper settings are for this version?
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Re: Genoa TurboExpress... ver. B?

Postby Toby B. » Sat Mar 18, 2017 10:15 am

40-0000-001470-00101111-060692-SIS3486-F: FLEXUS COMPUTER TECHNOLOGY (model:???)

http://www.pcs-service.de/service/bios/amiknown.htm

Any chance at getting some pics of this board?
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Re: Genoa TurboExpress... ver. B?

Postby evasive » Sun Mar 19, 2017 2:55 am

if that is a Freetech/Flexus board I am expecting a marking such as 486F** or 3486F** or even 386F** somewhere because that is their numbering scheme. I agree a picture would help.
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Re: Genoa TurboExpress... ver. B?

Postby ianromanick » Tue Mar 21, 2017 8:08 pm

Here are a couple pics. The first is the whole top side of the board. The second is a close up of the cache area. The serial number sticker has completely faded with time. And I know, I need to remove the leaking batter soon than later...
Attachments
486VL-top-side.jpg
486VL-top-side.jpg (156.43 KiB) Viewed 578 times
486VL-cache-area.jpg
486VL-cache-area.jpg (85.42 KiB) Viewed 578 times
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Re: Genoa TurboExpress... ver. B?

Postby Karlsweldt » Wed Mar 22, 2017 7:32 am

If you note any "hairy"" growth on the battery ends, then the time is now. That acid can etch through the board traces quickly!
That original Ni-Cd battery is still very available, or can be replaced with a Li-Ion type.
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Re: Genoa TurboExpress... ver. B?

Postby evasive » Wed Mar 22, 2017 7:52 am

This board had an eerie familiar look... I think I ever owned one, a Freetech 486F23.

http://www.elhvb.com/mboards/freetech/F23.pdf
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Re: Genoa TurboExpress... ver. B?

Postby ianromanick » Fri Mar 24, 2017 7:23 pm

evasive wrote:This board had an eerie familiar look... I think I ever owned one, a Freetech 486F23.

http://www.elhvb.com/mboards/freetech/F23.pdf


That is very similar. There are a few differences... like the missing QFP CPU on mine. :) Almost all of the jumpers are the same, so I should be able to figure out how to reconfigure this board without burning anything up. Thanks!
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