Intergraph DHAF02430, System Reference Manual

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1 Accessing the System
This chapter lists hand tools and describes servicing restrictions, opening the base unit, avoiding
electrostatic discharge, removing and attaching the face plate, and closing the base unit.
This system features a telescoping chassis that provides increased serviceability and access to internal
components. The telescoping section, to which the system board is mounted, is secured by five screws
and slides out from the rear.
NOTE “Right side” and “left side” are as seen from the front of the base unit.
CAUTION Follow all warnings and cautions in servicing instructions. Personal injury and damage to equipment
can occur if documented procedures are not followed.
CAUTION Use an antistatic wrist strap for all ser vicing procedures to avoid the possibility of electrostatic
discharge.
Tools
You will need the following tools to service the system:
u
Antistatic wrist strap
u
Quarter-inch nutdriver
u
No. 1 and No. 2 Phillips screwdrivers
u
Three-sixteenth-inch nutdriver
u
Five-sixteenth-inch or 8 mm nutdriver
u
Small single-slot screwdriver
Opening the Base Unit
CAUTION Shut the system down and turn the system power off. Use caution to avoid injury when removing
covers and other hardware.
CAUTION If the system is installed in a free-standing rack, ensure front and side stabilizers are fully extended.
To open the base unit:
1. Remove the screws that secure the face plate to the rack.
2. Slide the system out of the rack until it locks in the extended position.
3. Remove the following eight screws that secure the cover to the chassis: One at right and left top
corners of face plate; two at top, back of cover; and two at right and left sides, back of cover.
4. Slide the cover back about an inch, then lift the cover off.
5. Attach grounding clip from antistatic wrist strap to bare metal.