IBM 8646 Hardware Maintenance Manual - Page 92

System board, Before you begin, Notes

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System board Before you begin: v Read "Safety information" on page 111. v Review the information in "System reliability considerations" on page 44. Notes: 1. When replacing the system board, you must either update the system with the latest firmware or restore the pre-existing firmware that the customer provides on a diskette or CD image. 2. It is recommended that the server be placed on its left side before performing this service procedure. Rotate the feet in toward the server so they do not detach due to the weight of the server. To remove the system board, do the following: 1. Power-off the server, if it is on. 2. Unplug the server. 3. Remove the cover (see "Removing the side cover" on page 45). 4. Remove the front bezel (see "Removing the bezel" on page 46). 5. Remove the support bracket (see "Removing the support bracket assembly" on page 47). 6. Disconnect the cables. 7. Remove the adapter cards and both adapter retaining brackets (see "Installing an adapter" on page 49). 8. Remove the hot-swap hard disk drive cage (see "Hot-swap hard disk drive cage" on page 80). 9. Remove memory modules (see "Installing memory modules" on page 58). 10. Remove microprocessors and/or terminator cards (see "Installing and removing a microprocessor" on page 61). 11. Remove screws and lift the system board out of the server. 84 Hardware Maintenance Manual: xSeries 220 Type 8646

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System board
Before you begin:
v
Read
“
Safety information
”
on page 111.
v
Review the information in
“
System reliability considerations
”
on page 44.
Notes:
1.
When replacing the system board, you must either update the system with the
latest firmware or restore the pre-existing firmware that the customer provides
on a diskette or CD image.
2.
It is recommended that the server be placed on its left side before performing
this service procedure. Rotate the feet in toward the server so they do not
detach due to the weight of the server.
To remove the system board, do the following:
1.
Power-off the server, if it is on.
2.
Unplug the server.
3.
Remove the cover (see
“
Removing the side cover
”
on page 45).
4.
Remove the front bezel (see
“
Removing the bezel
”
on page 46).
5.
Remove the support bracket (see
“
Removing the support bracket assembly
”
on
page 47).
6.
Disconnect the cables.
7.
Remove the adapter cards and both adapter retaining brackets (see
“
Installing
an adapter
”
on page 49).
8.
Remove the hot-swap hard disk drive cage (see
“
Hot-swap hard disk drive
cage
”
on page 80).
9.
Remove memory modules (see
“
Installing memory modules
”
on page 58).
10.
Remove microprocessors and/or terminator cards (see
“
Installing and
removing a microprocessor
”
on page 61).
11.
Remove screws and lift the system board out of the server.
84
Hardware Maintenance Manual: xSeries 220 Type 8646