COMPONENT DESCRIPTION AND REPLACEMENT
CPU
6 - 28
WBPEEUI220760A0
®
instructions before beginning. If a CPU hard drive or CD-ROM
drive needs to be replaced, refer to the DEC
User Information
manual shipped with the OIS station. Refer to
for the correct jumper set-
tings before installing these components in the IIOIS43 station.
The CPU has a lithium battery located on the mother board.
The battery supplies power to the real time clock while the sys-
tem is off. Refer to the DEC
User Information
manual for
important and cautionary information on replacing the battery.
Suggested replacement is Panasonic BR2032 or CR2032. After
replacement, system configuration and setup data must be
verified.
Console and Driver Cabinet
The CPU is mounted horizontally in the console and in the
driver cabinet. To remove the CPU, follow these steps. Refer to
Table
for part numbers. Refer to Figure
for the con-
sole. Refer to Figure
for the driver cabinet.
1. Turn off the main circuit breaker on the power entry panel.
Check the power indicator to see if power is removed.
2. Remove and label all cables from the CPU.
Figure 6-18. CPU Removal for Consoles
REAR VIEW
CPU MOUNTING
SCREWS
CPU
POWER ENTRY
PANEL
TP80618A
FRONT VIEW