System Overview
1-3
The numbered callouts in Figure 1-1 refer to the system components.
➊
System card cage, which holds the system board and the CPU, memory, and
system I/O.
➋
PCI/ISA section of the system card cage.
➌
Operator control panel assembly, which includes the control panel, the LCD
display, and the floppy drive.
➍
CD-ROM drive.
➎
Cooling section containing two fans and the server feature module.
➏
StorageWorks shelf.
Cover Interlock
The system has a single cover interlock switch tripped by the top cover.
Figure 1-2 Cover Interlock Circuit
Cover
Interlock
Switch
PK1405-99
Cover
Interlock
OCP
Push button
ON/OFF
Switch
pack
Server Feature Module
Power
Supply
DC_ENABLE_L
OCP
Connector
NOTE: The cover interlock must be engaged to enable power-up.
To override the cover interlock, use a suitable object to close the interlock circuit.
Disk damage will result if the system is run with the top cover off.