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Re: Are there regular users here with profession away from tech industry?

Posted on 2024-04-24, 22:21

in Milliways

in Milliways

I'm a nuclear engineer and health physicist. I specifically didn't get into IT as a profession because I didn't want to lose my love of it as drudgery day job. I'm a health physicist too, but working at a cancer centre! My work is more related to ensuring that our staff are safe as we deliver …

Re: M912 with 1 MB cache

Posted on 2024-04-21, 13:50

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So I was using 128kx8 DIP modules for cache as well as the tag. The manual specifies a 64x8 DIP for tag, could this be the cause? I though I could always use a bigger tag than needed. However, once again, the 128kx8 tag works for tag in 512kB mode and that only needs a 32x8, so I don't know. The …

Re: M912 with 1 MB cache

Posted on 2024-04-20, 23:49

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So I was using 128kx8 DIP modules for cache as well as the tag. The manual specifies a 64x8 DIP for tag, could this be the cause? I though I could always use a bigger tag than needed. However, once again, the 128kx8 tag works for tag in 512kB mode and that only needs a 32x8, so I don't know. The …

Re: Are there regular users here with profession away from tech industry?

Posted on 2024-04-19, 21:27

in Milliways

in Milliways

I'm a nuclear engineer and health physicist. I specifically didn't get into IT as a profession because I didn't want to lose my love of it as drudgery day job.

Re: How hard is it to find retro/vintage computer hardware where you live?

Posted on 2024-04-14, 20:41

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I live in what is effectively rural north-eastern Onterrible and just like you I can't find a thing locally. I will order everything online. I use the FleaBay equivalents from numerous countries and have accounts with forwarders in Taiwan, Brazil, Russia, Japan, Germany, China, US and UK. I am …

Re: Bought these (retro) hardware today

Posted on 2024-04-14, 20:27

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

BitWrangler wrote on 2024-04-14, 00:15: Oh no, you've stumbled onto the great unnamable secret of retrocomputing... the aim is to have something differently crappy from everyone else. Yup, I buy things not because they work well most of the time. I buy them because they are weird and hence probably …

Re: What retro activity did you get up to today?

Posted on 2024-04-14, 20:25

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I had to drive my board to someone to fix at least one trace and hopefully fix the wonky RAM situation. I had to drive two hours--one way--since I live so far from a major city.

Re: Bought these (retro) hardware today

Posted on 2024-04-13, 23:07

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I got this weird USB card because I have never seen such a chipset before. Maybe it is an overmark. It probably sucks but it is different.

Re: ULTRA-X Professional Hardware Diagnostics P.H.D.16 - Made in U.S.A

Posted on 2024-04-06, 20:38

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Also got the PCI card in a nice case for an interesting price :-) Currently no application for it however. Let me know if somebody is interested in the software... IMG_2119.JPG IMG_2120.JPG I got myself one of these cards and I am wondering about two things: 1. How do I get the VGA port to do …

Re: Interposer between Cyrix 486 and motherboard

Posted on 2024-04-04, 22:00

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Sphere478 wrote on 2024-04-04, 21:46: We should make an interposer project for this. I don't have the skill or time for this but would buy one if there was one that worked for UMC processors since they never shipped one with a FPU and the other FPU don't seem to work with the UMC.

Re: VIA 6421A jumpers

Posted on 2024-03-31, 17:38

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Tiido wrote on 2024-03-30, 11:48: Yeah, those are choosing if one of the SATA ports is internal or external. Okay, it is redundant on other similar cards because it won't work if both ports are plugged in.

Re: Bought these (retro) hardware today

Posted on 2024-03-31, 17:35

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Jccwu wrote on 2024-03-31, 16:55: Expanded the production of fastening strips. Check it out. I need to make some slot covers. What program are you designing these in, are you doing these just by hand or is someone doing the work for you? PCBWay can do sheet metal but I have never got them to do a …

Re: FuryGpu - Custom GPU capable of playing Quake

Posted on 2024-03-30, 12:56

in Release Announcements

in Release Announcements

While I can't wait to add one to the vgamuesum can't we do this already with an ALINX AX7A035? Is the secret sauce in the FPGA code?

Re: VIA 6421A jumpers

Posted on 2024-03-29, 22:54

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Well I guess no one knows, I tried to flash this ROM but the chip is not compatible with the company's utility. Could be a counterfeit ROM chip.

VIA 6421A jumpers

Posted on 2024-03-29, 00:24

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Anyone know what these jumpers are for on the VIA 6421A? Not all cards have these. Google-fu and the wayback machine doesn't really turn up anything. Also note that this is because I can't register a working SATA drive with the card, but I will flash the BIOS after posting this.

Re: VIA 6421A OP ROM

Posted on 2024-03-25, 21:43

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

You can flash Silicon Image based SATA controllers to work in IDE compatibility mode instead of AHCI RAID. Search this forum. Lots of threads about it. Yeah I tried that and couldn't get it to work at all. I have one of those cards with a hologram SATA sticker on it. Interestingly the ROM chip on …

Re: VIA 6421A OP ROM

Posted on 2024-03-25, 01:24

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

marxveix wrote on 2024-03-24, 23:14: Here is some information about VIA 6421A, i have updated my bios to memphis alternate bios, but still for me it is not best for Win9x, so it waits in the box at the moment. http://toastytech.com/files/w95stuff.html What one is better? The only one I know that …

VIA 6421A OP ROM

Posted on 2024-03-24, 22:57

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So I want to know if there is a difference between the VIA 6421 rROMs that have a SATA sticker on them and those that have a RAID sticker on them. Are there two different OP ROMs? I want to use these as a boot device but not as a RAID on a retro rig. How about the ones with no stickers? Can I flash …

Re: Bought these (retro) hardware today

Posted on 2024-03-24, 01:51

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Added a PowerVR PCX1 to the vgamuseum.

Re: M912 with 1 MB cache

Posted on 2024-03-21, 11:27

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

BitWrangler wrote on 2024-03-21, 04:05: I don't know if there's been enough of us running UMC CPU to full characterise the compatibility envelope, so I'd say to test with an Intel DX to see if it's a UMC specific thing or not. Same problem with an Intel DX2 installed

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