IBM SY27-0345-06, Service And Maintenance Manual

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Figure 4-8. Ethernet Port (12x Models)
7
With a screwdriver, remove the remaining slotted screws that attach the WAN
ports to the front panel.
8
You will transfer the single in-line memory module (SIMM) from this system
board to the new one. Go to “Removing the Dynamic Random Access
Memory (DRAM) SIMM for 12x Models” on page 4-15 for instructions for
removal. After you remove the SIMM, lift the system board out of the unit.
Replacing the System Board for 12x Models
1
Place the system board in the IBM 2210.
2
Go to “Replacing the DRAM SIMM for 12x Models” on page 4-16 for
instructions on replacing the SIMM. Then, continue with step 3.
3
Replace the system board retainer screws using a nut driver. Figure 4-9 and
Figure 4-10 on page 4-8 show the locations of the retainer screws for
system boards that do and do not support ISDN.
Figure 4-9. Non-ISDN System Board (12x Models)
Chapter 4. Removal and Replacement Procedures
4-7