Removing The System Board - IBM TotalStorage 300 Service Manual

To remove the AC distribution box:
1. Remove the cover.
2. Remove screw 1 .
3. Pull the AC distribution box 2 toward front of machine in order to release it
4. Remove the two hot-swap power supplies.
5. Pull down on the cable receptacle 5 to release it from the chassis.

Removing the system board

To remove the system board:
1. Remove the cover.
2. Remove the rear air flow fan.
3. Remove the air cover.
4. Remove the system board cables.
5. Pull up on the two knobs 2 .
6. Pull up on the system board cage 1 to remove from the chassis.
3
Chassis clips
4
Chassis slot
5
Cable receptacle
from the chassis clips 3 .
Note: To install the receptacle, push up into the chassis opening of slot 4 . Be
sure to properly replace receptacles, 1 to 1 and 2 to 2 as labeled.
1
System board cage
2
Knobs
Appendix A. FRU information (service only)
125