In the ST-506 interface, the drive was connected to a controller card with two cables; a third cable provided power.
The hard disk can be reused but it will need a new AT controller card.
A disk drive and its controller card are not extra-cost luxuries - you can't operate the machine without them.
It comes with a controller card for either industry standard or PS/2 computers.
The Viking controller card has a co-processor intended to speed the operation of graphics.
A controller card, which had its own 6502 processor, connected to the user's computer and the synthesizer cards.
Two controller cards could be used to operate a total of eight drives.
SCSI devices usually connect to a controller card like this one.
They were typically implemented on a separate controller card.
It costs $335, plus another $60 for a required controller card.
