Radio Shack TRS-80 Service Manual page 20

5-Meg Hard Disk
ToQ.pn
®
Service Manual
Figure
7.
Connecting the Hard Disk
to
Your Model
I
lo
Locate the Model
I
Adapter
Cable..
One end has
a
connector
(
40-pin)
.
The other end has
a
black box
with
a
card edge exiting
it*
2.
Connect the 40-pin connector
(the end
with the cable)
to
the Bus Extension port
(also
called screen printer
port) of your Expansion Interface.
The cable should
exit towards the
bottom
of the
expansion interface.
3.
Connect the card edge end
to the
card edge connector
of
the Hard Disk Expansion Cable (50-pin)
.
The Hard Disk
Expansion Cable should exit the bottom
of the
connector.
4.
Connect the other end of the
Hard Disk Expansion Cable
to
the COMPUTER
IN
connector
of the primary hard
drive.
The cable should exit towards
the
bottom
of the
connector.
The
primary hard disk drive
is
now connected.
Radi# /haed
18