IIRC you can create an auto install file to the installation and don't have to enter anything at all.
The issue has to be addresses nonetheless for future installations.

Do W2K or XP have the same problem?

Nexxen wrote on 2024-11-04, 07:14:

IIRC you can create an auto install file to the installation and don't have to enter anything at all.
The issue has to be addresses nonetheless for future installations.

Do W2K or XP have the same problem?

Nope. Just tried Windows XP, and it has no issues at all with the keyboard and mouse once it reaches the graphical setup. That's... very strange.

Just installed Windows 98 using an automated installation file. It seems that it does the same thing within Windows as well, where the system is fully functional, but the mouse and keyboard fail to work regardless of if they're using PS/2 or USB. The BIOS for the Timna board is set to default settings, so I don't quite understand what's going on here.

EDIT: turns out the Timna board just hates my Logitech PS/2 mouse. I unplugged it and the keyboard started working on the next bootup. 💀

Another update: It appears that it is indeed an IRQ conflict. Windows 98 sees TWO PS/2 mice installed whenever you plug a mouse in, and that disables the ports as a result! This even happens during setup, and is not just a Logitech issue like I first thought.

The workaround is to only use a keyboard until you're done with setup, and then go through the device manager and remove the "ghost" mouse that gets autodetected.

Interesting ! Have only seen posts from a few others with working Timna's over the decades. Can you post some pictures of your board and cpu ?
Here are some from the CPU-World forums: https://www.cpu-world.com/forum/viewtopic.php?p=82287 for those interested...

Horun wrote on 2024-11-06, 04:26:

Interesting ! Have only seen posts from a few others with working Timna's over the decades. Can you post some pictures of your board and cpu ?
Here are some from the CPU-World forums: https://www.cpu-world.com/forum/viewtopic.php?p=82287 for those interested...

Will do when I've got some time! I've got a terrible cough right now and barely enough energy and focus to even get Windows 98 installed.

Ohhh not so good. Hope nothing serious. They are testing for covid and rsv at some of the medical clinics again in last few weeks...

Horun wrote on 2024-11-06, 05:37:

Ohhh not so good. Hope nothing serious. They are testing for covid and rsv at some of the medical clinics again in last few weeks...

Maybe I should get tested.

Alright, good news: I don't have covid.

Bad news: before I could get anything tested and was only installing software, I rebooted the system following installation and it never booted up again.

The system was using all good known-working parts. The PSU is one that I've used for about a decade at this point as my go-to ATX power supply for older boards that don't need a 4-pin CPU power connector. The cooler was one that was frankly overkill for Timna given how little heat it was giving off to begin with, given that it didn't even get warm to the touch while my Timna set was still working.

In BIOS, everything was set to their defaults, and voltage was set to the absolute minimum possible value.

Maybe I should've underclocked the Timna from the stock 667MHz down to 466MHz. The option was available in BIOS alongside the voltage settings, but I figured that leaving it at stock frequency and voltage for the chip would've been fine.

You got a POST card to check the codes? I have a D815EEA here that POST'd once and never again, and gets stuck somwhere on 3E or so.

PcBytes wrote on 2024-11-09, 00:19:

You got a POST card to check the codes? I have a D815EEA here that POST'd once and never again, and gets stuck somwhere on 3E or so.

No POST whatsoever. I have a video of the power-on that I recorded.
https://youtube.com/shorts/oZ3aWhinyFE

The PSU is a known-good one that I've been using for years without issue on older motherboards. I'm not entirely sure what the best way to test for ripple is, but when probing the 5v and 12v lines with my oscilloscope using a DVD drive as a load, I found that it turned out to have ~240mVpp of ripple on the 12v rail and ~120mVpp of ripply on the 5v rail. I'd never had any issues running systems with this PSU in the past, so I hadn't thought to check its ripple until now at the recommendation of someone on Discord.