INTRODUCTION
WBPEEUI220760A0
6 - 1
SECTION 6 - COMPONENT DESCRIPTION AND
REPLACEMENT
INTRODUCTION
This section explains how to replace multibus card cage mod-
ules and various other components in the OIS console that
might require replacement. It contains component descriptions
and includes jumper and dipswitch settings. There are no spe-
cial tools required.
NOTE: Components in the OIS consoles are configured at the fac-
tory. This information is given in case settings are changed or hard-
ware needs to be replaced.
Table
lists the CPUs used in the consoles and driver cabi-
net. Table
lists the hardware used in the OIS operator
interface. Table
contains the SCSI bus addresses for the
hardware.
Table 6-1. CPU Applications
Part
Number
OIS
CPU Description
43X1
43X2
43XA
43XD
43X3
6642865 1
x
x
DEC AlphaStation 255 model 233 with
two 1.08 gigabyte hard disk drives, a
233 MHz clock, an integral 5.25-inch
CD-ROM drive and a single graphics
board.
6642865 2
x
DEC AlphaStation 255 model 233 with
two 1.08 gigabyte hard disk drives, a
233 MHz clock, an integral 5.25-inch
CD-ROM drive and two graphics
boards.
6642905 1
x
DEC AlphaStation 255 model 233 with
two 1.08 gigabyte hard disk drives, a
233 MHz clock and an integral
5.25-inch CD-ROM drive.
Table 6-2. Hardware
Part
Number
OIS
Description
43X1
43X2
43X3
43XA
43XD
1948623 9
x
19-inch color monitor
6638353 5
x
Power entry panel
6638514 1
x
Operator keyboard (mylar)
6638553 5
x
x
Power supply
6638554 8
x
Keyboard interface panel
