Digital Equipment 300 Series AXP Reference Manual page 84

Removing and Installing the System Module
Remove the To remove the system module, refer to Figure 2–30 and perform
System Module the following steps:
Step
1
2
3
4
5
6
7
8
9
10
11
12
2–52
Action
Be sure the system preparation tasks are complete. See
the section entitled Preparing Your System for more
information.
Remove the TURBOchannel modules (Models 300/300X
/300LX only), see Figure 2–23.
Remove the TURBOchannel filler plates, see Figure 2–24.
Remove the power supply. See Figure 2–27.
Remove the CPU module. See Figure 2–25. The four
support posts may remain attached to the system module
during CPU removal. However, they must be removed
before you remove the system module.
Remove the drives, if any. Disconnect the SCSI cable from
the system module.
Remove the memory modules (SIMMs), see Figure 2–22.
Unscrew the four TURBOchannel posts labeled
Figure 2–30. (Models 300/300X/300LX only)
Unscrew the four CPU module support posts labeled
Figure 2–25.
Remove the two screws labeled
Before you remove the system module, remember to swap
the Ethernet chip, that is, move the chip from the old
module to the new module.
Gently pry the system module off the three standoffs,
labeled in Figure 2–30, and pull the module toward
the front of the system unit (away from the connector/slot
openings on the bottom enclosure).
in
in
in Figure 2–30.