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AcerAltos 19000 User’s Guide
3-4
3.2 Removing the Housing Doors
The system housing has four doors, two on the front, one on the left panel, and
one on the right panel. The left and right panel doors have security locks to
prevent unauthorized access to the internal components.
Turn off the system and disconnect the AC power cord before
opening the system housing.
When installing components, unlock and remove the door or doors that hinder
your way. Table 3-1 tells you which door to remove in specific instances to
facilitate component installation.
Table 3-1 Removing the Housing Doors
When Remove
Installing or removing external 3.5-inch
or 5.25-inch devices
$Upper front door plus
the upper front panel
cover
%Left panel door
Installing or removing a SCSI backplane
board (left side)
$Lower front door
%Left panel door
Installing or removing a SCSI backplane
board (right side)
$Lower front door
%Right panel door
Installing or removing hot-pluggable
SCSI hard disks
$Lower front door
Installing or removing the system board,
memory board, or expansion boards
$Left panel door
Installing or removing the power supply
modules, UPS, or battery charger
$Right panel door
Connecting or arranging cables $Left panel door
or
Right panel door