3 ms·
As for "HDD on expansion card", traditional IDE is nothing more than ISA bus on cable with smaller number of address lines and pins that were assumed to be not
by dfox 10y ago
As for "HDD on expansion card", traditional IDE is nothing more than ISA bus on cable with smaller number of address lines and pins that were assumed to be not needed omitted. Pre-DMA IDE controller consists of not much more than address decoder.
- kenz0r 10y agoTrue, but from my recollection, most hardcards were running MFM or RLL disk controllers, rather than IDE.