Questions tagged [isa]

The Industry Standard Architecture bus, used by historic IBM PC compatibles, and extension cards for that bus.

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How do I terminate an ISA bus correctly?

I am stuck by designing a 8 Slot 16 Bit ISA Backplane Do I have to terminate an ISA bus? My search results are: No termination at all Some homebrew projects use active termination for all signals ...
10
votes
3answers
2k views

What was the “32-bit” ISA bus (connector) extension for 80386 PCs?

I have a question which is similar to another question on this site: When I was a child 386 PCs came up. When buying a PC, you could read in the technical data how many 8- and 16-bit ISA slots were ...
5
votes
2answers
485 views

How to build an ATA controller for the AT bus?

I would like to replace the ST502 MFM disk controller in my Schneider Target PC 7640 (about which I asked earlier) with an ATA (IDE) controller as it gets harder and harder to find replacement MFM ...
17
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2answers
2k views

What are these weird long ISA slots on this 386 board? (not VLB)

In this image, you can see, from the right, a 16-bit ISA slot (occupied by a controller card), an 8-bit ISA slot, four more 16-bit ISA slots, and two of these strange slots that look like a 16-bit ISA ...
3
votes
1answer
1k views

Connecting SCM Swapbox PCMCIA reader (ISA) to modern PC

Further to my previous question, I am wondering how best to connect an SCM Swapbox "SBI-D2P" (Classic X2) PCMCIA card reader to a modern PC (PCI/PCI Express/SATA/USB). I am aware there are USB PCMCIA ...
9
votes
1answer
484 views

AT system without −5 V

I have recently built a 80386 system. Lacking any AT PSU I connected a PicoPSU using an ATX→AT power adapter. Only card connected was a gpu (Trident TVGA 9000i). System performed BIOS checkup sequence ...
16
votes
4answers
18k views

How to use ISA card in modern PC

(Posted this on HW Rec but got no responses.) Would like to use an ISA expansion card in a modern PC. There are Expensive PCI - ISA adapters (but I cannot find any actually for sale now) USB-ISA ...