HP Model 712/100 hp 9000 series 700 model 712 service handbook (a2615-90039) - Page 99

CPU Board

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CPU Board Before removing the CPU board, perform the following procedures: D Note the two LANIC IDs of the workstation from the label on the PROM (see Figure 5-14.) The system will prompt you to enter the IDs when you boot the workstation with the new CPU board installed. NOTICE: If you lose the LANIC IDs, call the response center and provide the system serial number and model number to find out the LANIC IDs. D Remove the stand and open the system unit. D Remove the memory boards, and all of the other boards from the CPU board. D Disconnect the cables from the CPU board. Remove the retaining screw holding the 100MHz CPU (see Figure 5-14). Perform the following steps to remove the CPU board: 1. Push out the retaining clips and slide the CPU board toward the front of the system, as shown in Figure 5-14. 2. Align the notches on the edge of the CPU board edges with the retaining pins, and lift the CPU board straight up. PROM Retaining Clip Notches Retaining Pins Retaining Clip Retaining Screw 12 MM, M3 x 0.5 Pozidrive, Pan Head Screw w/Patchlock HP Part # 0515-0408 Figure 6-14. Removing the CPU Board Field Replaceable Units 5-23

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Field Replaceable Units
5–23
CPU Board
Before removing the CPU board, perform the following procedures:
D
Note the two LANIC IDs of the workstation from the label on the PROM (see
Figure 5–14.) The system will prompt you to enter the IDs when you boot the
workstation with the new CPU board installed.
NOTICE:
If you lose the LANIC IDs, call the response center
and provide the system serial number and model
number to find out the LANIC IDs.
D
Remove the stand and open the system unit.
D
Remove the memory boards, and all of the other boards from the CPU board.
D
Disconnect the cables from the CPU board. Remove the retaining screw hold-
ing the 100MHz CPU (see Figure 5–14).
Perform the following steps to remove the CPU board:
1.
Push out the retaining clips and slide the CPU board toward the front of the sys-
tem, as shown in Figure 5–14.
2.
Align the notches on the edge of the CPU board edges with the retaining pins,
and lift the CPU board straight up.
PROM
Retaining Pins
Retaining Clip
Retaining Clip
Notches
HP Part # 0515–0408
12 MM, M3 x 0.5
Pozidrive, Pan Head
Screw w/Patchlock
Retaining Screw
Figure 6–14.
Removing the CPU Board