On 09/28/2017 05:12 PM, Jules Richardson via cctalk wrote: > On 09/27/2017 09:59 AM, Ethan via cctalk wrote: >> The idea of IDE, as my understanding, is the controller that existed >> as an >> ISA card was moved onto the actual drive, and then what became the >> controller was mostly just extending the ISA bus over to the drive. > > I actually have an IDE "controller" somewhere which is just a tiny PCB > with an ISA connector on one side and a 40 pin IDE connector on the > other, along with a couple of ICs (presumably buffers/latches, but I > don't know without finding it). It's somewhat unusual, given that IDE > ports were normally included as part of multi-I/O boards, or (a little > later) often incorporated into the motherboard.
IDE used to be called "ATA" - "AT Attachment"; i.e. something tailored to the PC AT (5170) 16-bit ISA bus. What I find perplexing is the acronym "SATA" for "Serial ATA". The name would imply that a drive can be connected to a 5170, but I'm not aware of any SATA adapters for the 5170 PC/AT. --Chuck