Finch Power And Signal Connector Orientation - ZiLOG System 8000 Hardware Reference Manual

HRM
Zilog HRM
3.4. 32 MB Winchester Disk Drive Configurations
3.4.1. Drive Cabling:
The required cable connections to
the drive are power and signal cables." All input/output
signals and power exit at the FINCH Adapter Board. The
adapter board attaches to the drive at the command, DC
power, and data connectors. Refer to Figure
3-7
for power
and signal connector orientation.
PIN 1
~
REAR OF DRIVE
00402
Figure
3-7
FINCH Power and Signal Connector Orientation
Terminator resistor packs are included on each FINCH Adapter
Board. The terminators consist of a DIP resistor module
which is plugged into a DIP socket. Only the last FINCH in
a daisy-chain configuration requires a terminator resistor
pack for the Command/Data cable; the others must be removed.
A daisy-chain configuration incorporates parallel interfac-
ing of the disk drives on a common Command/Data cable. A
maximum of four drives may be daisy-chained on the cable.
3-14
Zilog
3-14