HP 3000 III Series Manual page 301

I/O System
TOP 13-- ----79 1,3,-------79
BOTTO~1
2: 4:
_a ---"---
----~L ~2,m4,ri.iiiiiiiiiiiniiiiiii
. .
m80L_ ____,
lOP peA
MEMORY SIZE
(WORDS)
S3
1 - 128K
2 - 256K
3 - 384K
4 - 512K
5 - 768K
6 -1024K
202
Figure 7-20. lOP PCA Jumper and Switch Locations
device end, and clear interface can be exercised selectively.
Also, device timeout conditions can be simulated causing a time-
out error in the Selector Channel. Complete information on how
to install and use the Selector Channel Maintenance Board is con-
tained in the HP 3000 Series III CE Handbook, part no. 30000-
90172.
7-67. Multiplexer Channel PCA Servicing
The Multiplexer Channel PCA is a nonrepairable PCA and must be
replaced if found defective. No repair procedures are required.
However, the Multiplexer Channel peA does contain jumpers that
must be properly configured. The configuration of jumpers
WI
7-47