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Re: Rendition Verite Thread

BIOS is in OTP ROM 27C512 so coudn't be a a bad flash. OTP EPROMs don't last forever. I have one dead nVidia TNT2 with failed OTP EPROM . It is also possible to flip bits in OTP EPROMS by trying to program them again after the initial programming. Any '1' bits in the chip remain susceptible to …

Re: Native PS/2 mouse implementation for 386/486 boards using the keyboard controller

Even the motherboards that I mentioned with the ability to disable the internal controller don't have one, not even an unpopulated place where one can be soldered. What is going on here? Are you saying that they DO have a unpopulated DIP-40 footprint for a KBC but DO NOT have a footprint for the …

Re: Native PS/2 mouse implementation for 386/486 boards using the keyboard controller

deltapi wrote on 2024-02-08, 03:57: maxtherabbit wrote on 2024-02-05, 17:33: If you're in the USA I'd be happy to give you a board, if not I would just want shipping reimbursement. I'm in Canada, but I'd gladly pay shipping expenses, thank you! Are you able to send and receive DMs? Send me your …

Re: Native PS/2 mouse implementation for 386/486 boards using the keyboard controller

Yes but there is a problem. I still have the gerber files (and a few unassembled PCBs) but I lost the original design files in a hard drive crash. The PCBs and gerbers I have have a flaw - the pins on the ps/2 mini-DIN footprint are backwards because I foolishly trusted the pin numbering in kicad …

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