florian3 wrote on 2024-03-11, 22:23:
I will order most of the standard parts from Mouser and they have 720 Ohm resistors. The Kemet 40uH coil is backorderd there with ETA June. Not sure if I will wait or maybe just use the 60uH part.
I ordered most of the NOS parts from utsource and some on ebay.
Mouser is not only expensive, but their export control, especially to Ukraine is exhausting. If only they every IC that Russia puts in their damned missiles was checked so carefully.
As for Kemet coils - I found them in Australia, but took the last ones. I suppose any similar value will be enough, just want it to look authentic and avoid any troubleshooting.
The board is huge, full-size, just like early CGA. Idk, I have so much love for these types of cards. Like, they are totally fine to assemble manually or to repair and provide quite advanced functionality. I doubt I would easily assemble something like much more compact RTL8139 network card or simple ESS based one. That late 286 - early 486 era, something like 90 - 95 is a blessed period of technology development that will never return 🙁
I was surprised that all ICs from Ali looked pretty new and all logic chips passed tests. Got the final batch.
Now the only questionable things are YM synth/DAC - the heart of the synth and that SRAM chips.
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