System Overview 1-5
System Chassis
The system chassis is an easy-to-expand, fabricated metal structure. The following
subsections describe the system chassis external view, internal view (BSU only), and
the system board set.
External View
Figure 1-3 shows the front chassis features and controls. Figure 1-4 shows the rear
chassis features and controls.
HI
U
G
J
R S T
Q
A B C D E
F
K
L
M
N
O
P
A
– Power switch
Press to turn system DC power on or off.
B
– Power LED
When green, power is present in system. When off, power is
turned off or power source is disrupted. See Table 1-1 for a
list and description of the system LED indicators.
C
– Status LED
When green the system is OK. See Table 1-1 for a list and
description of the system LED indicators.
D
– Disk LED
When green, internal disk drives are being accessed. See
Table 1-1 for a list and description of the system LED
indicators.
E
– Sleep LED
When lit, system is in the sleep (power saving) mode.
F
– Sleep switch
Places the system into the sleep (power saving) mode.
(An operating system supporting sleep mode is required.)
G
– Removable media bays (2)
Each bay contains one 5.25-inch peripheral device: optional
tape drives, CD-ROM drive, etc.
H –
Activity light, diskette drive
When lit, drive is in use.
I –
Ejector button, diskette drive
Press to eject diskette.
