How to use ISA card in modern PC - Retrocomputing Stack Exchange
In this case, it is pretty likely an USB-to-ISA or PCI-to-ISA adapter will work. It is, however, also pretty likely a modern PCI-express or USB replacement is cheaper, thus rendering the adapter …
hardware - How do I terminate an ISA bus correctly?
May 18, 2021 · The classic ISA bus has very little need for bus termination. For example the first IBM PCs, such as the PC, XT and AT for example did not use any bus termination, and their …
What are these weird long ISA slots on this 386 board? (not VLB)
May 15, 2020 · Expansion memory cards on the ISA bus are not really anything odd in this time frame and go all the way back to 8088 machines but this 32 bit slot is kind of an oddity. It is …
ibm - Communication between the CPU and the microcontroller …
Apr 22, 2025 · The Datamaster expansion bus is almost the same they employed later in the 5150 PC and became known retrospectively as ISA [2]. One of my goals is to understand how …
On an ISA bus, is data read on the falling or rising edge of /IORD?
Apr 23, 2023 · The data on the ISA bus is read at any time (not specified) at which the target is ready, before the host terminates the cycle. There is some default delay starting at the point of …
isa - What was the last major-brand x/86 PC to have a 14.318 MHz …
Oct 30, 2024 · @StephenKitt No, I'm referring to ISA bus pin B30, which was marked OSC. It was the 14.31818 MHz used for CGA sync. The same crystal fed the bus again as the famous 4.77 …
isa - IDE SSD pulling down data bus - Retrocomputing Stack …
Apr 16, 2023 · This SSD works great on a couple computers I have that have proper IDE interfaces, i.e. ones with bus transceivers. The two that are having issues have a stripped …
How do DOS games like DOOM benefit from a PCI graphics card?
May 5, 2021 · The original DOOM and its derivatives (DOOM II, Heretic, Hexen) were early 90s 3D games released at a time when DOS PCs usually had ISA bus Super VGA graphics cards. …
What was the "32-bit" ISA bus (connector) extension for 80386 PCs?
May 14, 2021 · The 32-bit extension to ISA was Extended ISA but it doesn’t add any additional connectors, instead adding extra pins to the part of the existing edge connector that is …
ibm pc - Did mixing an 8 bit ISA card in a 16 bit ISA environment …
Jun 4, 2025 · This means that the 16-bit ISA bus needs two kinds of address lines: The 8-bit-ISA compatible address lines that carry a valid address over the whole bus cycle (commonly called …