Michael J. Mahon wrote:
If it is a "DB-19" connector, then it can only be plugged in the right way, but if it is the original 20-pin IDC connector, it is possible to plug it in backward--usually with the effect of blowing a chip or two, and a dead drive.
Also it must be plugged into the correct "Drive 1" header. I think there are simple checks possible. If after power-up the computer shows a cursor and an "]" prompt, the problem is likely with the controller. If the drive is faulty but the controller is OK, there will be no prompt till a CTRL-RESET. Also: ] CALL -151 *C600L If reasonable disassembly is not there, it is definitely the card. -Alex.