7
CPU Upgrade
Adding a CPU Card
HP3000/979KS/989KS and HP9000/K250/K260/K360/K370/K380/K450/K460 and
K570/K580 Power Supply Removal
Prior to adding CPUs to
HP3000/979KS/989KS and
HP9000/K250/K260/K370/K380/K450/K460 and K570/K580 systems, the
power supply must be
removed (see Figure 1-6). Perform the following steps:
Figure 1-6
HP3000/979KS/989KS and
HP9000/K250/K260/K360/K370/K380K370/K380/K450/K460/K570/K580
Power Supply
1. Loosen the six captive screws (item 1) along the top and bottom of the power supply unit.
CAUTION
The power supply unit weighs 26.5 lbs (12kg). Be careful removing and lifting the unit to
avoid damage to the power supply.
2. Pull the extractor levers (item 2) out. Using the extractor levers, pull the power supply unit partially
out of the chassis, then grasp the power supply unit by the handle (item 3) and remove it completely.
3. Place the power supply on an anti-static mat while proceeding with the CPU replacement procedure.
4. Remove the rear processor slot cover plate, which is now visible.
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