Drive-To-Controller Interface; Hp45817A 40 Mbyte Hard Disc Subsystem - HP Vectra Reference Manual

Drive-to-Controller Interface
The drive interfaces with the controller in three areas: the control
interface, the data interface and the DC power interface. The disc
drive receives control signals and transmits status signals over the
J1/P1 connectors. Data signals are received and transmitted over
the J2/P2 connectors. The DC power connector is J3 and it is a
4-piln AMP "Mate-n-Lock" connector.
HP45817A 40MB Hard Disc
Subsystem
The HP45817A 40MB hard disc subsystem is availible for fast
access and high-capacity. The drive automatically retracts the read
and write heads to a parking zone when powered off. This
protects the disc against damage during handling or moving.
The chassis of the HP45817A is 82.55mm high, 146.05mm wide,
and 203.2mm deep. It requires both of the lower half height drive
slots. The following table defines the performance of the
HP45817A when installed in the HP Vectra PC.
Disc Drives 11 3