VOGONS


Looking for IBM Music Feature Card owners

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Reply 60 of 67, by florian3

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Tronix wrote on 2024-04-13, 03:41:
florian3 wrote on 2024-04-13, 01:09:

I can't get Compose and Playrec to run on my 486 DX33.

If i remember correctly i encountered a similar problem - the Playrec and Compose did not start on my 386 machine. As a result, it started only on a clone of the XT motherboard with a processor frequency of 4.7 MHz. I think this is a problem with delays based on loops in the software.

Thanks for the info. I don’t have anything slower than a 386 here. Will try to down clock that and see how it goes. Or stick to games.

Reply 61 of 67, by florian3

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I will probably build one more card for myself, that leaves me with 3 more bare PCBs and some parts in case anyone is looking to build one.

Reply 63 of 67, by dionb

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florian3 wrote on 2024-04-13, 16:09:

I will probably build one more card for myself, that leaves me with 3 more bare PCBs and some parts in case anyone is looking to build one.

Maybe I'm a bit slow, but has the design been finalized/known-good? If so, I'm definitely up for one, although looking at your Chicago location it might be more expensive to ship across the Atlantic than order new PCBs myself...

Reply 64 of 67, by florian3

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dionb wrote on 2024-04-14, 11:53:
florian3 wrote on 2024-04-13, 16:09:

I will probably build one more card for myself, that leaves me with 3 more bare PCBs and some parts in case anyone is looking to build one.

Maybe I'm a bit slow, but has the design been finalized/known-good? If so, I'm definitely up for one, although looking at your Chicago location it might be more expensive to ship across the Atlantic than order new PCBs myself...

I don't know if the current design is final.
Shipping for just the PCB is probably not worth it, however I did order 5 of all of the less common/old components and can also share a mouser project for the common ones if anyone is interested.

Reply 65 of 67, by rkurbatov

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florian3 wrote on 2024-04-14, 13:01:
dionb wrote on 2024-04-14, 11:53:

Maybe I'm a bit slow, but has the design been finalized/known-good?

I don't know if the current design is final.

It is. Scg's goal was to make the exact replica - that's it. As exact as possbile.

486: ECS UM486 VLB, 256kb cache, i486 DX2/66, 8MB RAM, Trident TGUI9440AGi VLB 1MB, Pro Audio Spectrum 16, FDD 3.5, ZIP 100 ATA
PII: Asus P2B, Pentium II 400MHz, 512MB RAM, Trident 9750 AGP 4MB, Voodoo2 SLI, MonsterSound MX300

Reply 66 of 67, by rkurbatov

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florian3 wrote on 2024-04-13, 01:09:

I'm almost done with my build
Thanks a lot @SCG for sharing the project!

Cool, cool.

I am still waiting for the tester as I'm using mostly components from AliExpress. The logic chips are all good but I need to check more complex ones and especially memory.

486: ECS UM486 VLB, 256kb cache, i486 DX2/66, 8MB RAM, Trident TGUI9440AGi VLB 1MB, Pro Audio Spectrum 16, FDD 3.5, ZIP 100 ATA
PII: Asus P2B, Pentium II 400MHz, 512MB RAM, Trident 9750 AGP 4MB, Voodoo2 SLI, MonsterSound MX300

Reply 67 of 67, by dionb

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rkurbatov wrote on 2024-04-15, 15:21:

[...]

It is. Scg's goal was to make the exact replica - that's it. As exact as possbile.

Tnx. Then I'm going to get building 😀 - using florian3's spares if shipping across the Atlantic makes sense, otherwise I'll source stuff myself.