HP 9153 A Service Manual page 118

DIAGRAMS
CHAPTER
FI To/From Floppy Disc
Bidirectional Buffer
:
ES
<
7 | | =
2
$
artes To/From Hard Disc
HP-8 ap
tt Adaptec Herd
Buffer Disc
Controller
Figure 12-1. Block diagram for HP 9153/54A S/N Prefix 2515A and below.
12-1