Reply 20 of 24, by kixs
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Did the seller tested them before sending?
Visit my AmiBay items for sale (updated: 2025-03-14). I also take requests 😉
https://www.amibay.com/members/kixs.977/#sales-threads
Did the seller tested them before sending?
Visit my AmiBay items for sale (updated: 2025-03-14). I also take requests 😉
https://www.amibay.com/members/kixs.977/#sales-threads
wrote:Did the seller tested them before sending?
The seller says "yes it works".
http://www.ebay.com/itm/251541605883?_trksid= … K%3AMEBIDX%3AIT
It is confirmed. The two boards are OK and they DO require the riser card to wake up the onboard VGA.
It took me quite some time to locate the proper riser, which utilizes a relatively rare type of riser slot. It looks like an ISA slot without the center divider; instead, there are 6 extra pins. So what's the magic in the 6 pins? I examined the circuitry of the riser card and duplicated one of its connectivity by inserting a pin between 2 of the 6 pins:
Now the onboard VGA works as supposed to.
wrote:Cool!
I have an Acer 486 board with ISA, PCI and VLB and it also need the riser card to work.
Ummmmm..... Maybe the buses are broken without the riser cards?
Now I am working on Pentium overdrives.... It seems that the board doesn't support them. The system hangs after POST. Turning off L1 doesn't help. Possible BIOS patch?