IBM SY27-0345-06, Service And Maintenance Manual

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System Board
Refer to “Handling Static-Sensitive Devices” on page 4-2 before removing or
installing a system board.
Removing the System Board for 12x Models
Figure 4-5. Cables Attached to the System Board (12x Models)
1
Remove the power supply cable connector by pulling out the retaining clips
with your fingers or a screwdriver and then rocking the connector from front
to back as you pull up.
2
Remove the fan cable by rocking it from front to back as you pull up.
3
To remove the LED panel cable, use a screwdriver on either side of the con-
nector to lift the blue retaining latch. Pull the cable from the latch. Note as
you remove this cable that the blue coloring on the end of the cable faces the
blue latch.
4
Remove the system board retainer screws using a nut driver. Figure 4-6 on
page 4-6 and Figure 4-7 on page 4-6 show the locations of the retainer
screws for system boards that do and do not support ISDN.
Chapter 4. Removal and Replacement Procedures
4-5