Removal and Replacement
4-21
Removal
1.
Shut down the operating system and power down the system.
2.
Remove the AC power cords. (Auxiliary power is applied to the server feature
module and parts of the system board even when the system is turned off.)
3.
Expose both the card cage section and the power section of the system (see
Section 4.3).
4.
Remove the cable clip between the power section and the card cage section of the
system.
5.
Unplug the cable connection to the server feature module and thread the cable
through from the fan section into the card cage section. Leave the cable loose and
out of the way.
6.
Unplug the cable connections to the CPU(s) and thread them up to the top of the
card cage section above CPU0. Leave the cable loose and out of the way.
7.
Unplug the three cable connections to the system board; two connections on top
right corner of the board and one about 2 inches below the CPU1 slot on the right
of the board. Leave the cable loose and out of the way.
8.
Unplug the cable connection to the floppy and, if applicable, to the optional
device above the floppy. Again leave the cable loose and out of the way.
9.
Remove the power supply (see Section 4.9).
10.
Unplug the cable connection to the CD-ROM.
11.
Unplug the cable connections to the repeater card(s) and/or the StorageWorks
backplane.
12.
Unplug all the connections to the power transition module.
13.
As you remove the power harness from the system, be careful as you thread that
piece of the cable that passes from the power section into the card cage section
below the system board.
Replacement
Reverse the steps in the Removal procedure.
Verification
Power up the system.
Содержание AlphaServer DS20
Страница 8: ......
Страница 50: ......
Страница 90: ......
Страница 122: ...4 32 AlphaServer DS20 Service Manual 4 16 CD ROM Removal and Replacement Figure 4 15 Removing CD ROM PKW0519 97...
Страница 124: ...4 34 AlphaServer DS20 Service Manual 4 17 Floppy Removal and Replacement Figure 4 16 Removing Floppy 1 PK1401 98...
Страница 132: ......
Страница 144: ......
Страница 158: ......