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PostPosted: Wed Mar 15, 2017 11:39 pm 
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Pilgrim
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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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PostPosted: Sat Mar 18, 2017 10:15 am 
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Quote:
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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PostPosted: Sun Mar 19, 2017 2:55 am 
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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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PostPosted: Tue Mar 21, 2017 8:08 pm 
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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 1272 times ]
486VL-cache-area.jpg
486VL-cache-area.jpg [ 85.42 KiB | Viewed 1272 times ]
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PostPosted: Wed Mar 22, 2017 7:32 am 
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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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PostPosted: Wed Mar 22, 2017 7:52 am 
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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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PostPosted: Fri Mar 24, 2017 7:23 pm 
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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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