IBM 4800-741 - Removing the I;O Modules; Opened I;O Latch

Removing the I/O modules
To remove the I/O modules:
1. Follow the instructions in “Removing the covers” on page 29 to remove the front
bezel and top cover.
2. Follow the instructions in “Removing the top plate” on page 32 to remove the
top plate.
3. If required for your model, follow the instructions in “Removing the air duct
(Models 722, 74x, 78x, and C4x)” on page 44
4. If required for your model, follow the instructions in “Removing the processor fan
(Models 742, 782 only)” on page 45.
5. Remove any cable attachments from the I/O modules.
6. See Figure 30. Locate the I/O modules latch, (A in Figure 30). Open the latch
by grasping and turning it in a clockwise direction.
7. Press tab (B) and slide the I/O module out of the slot.
8. To replace an I/O module, reverse these procedures.
Note:
Before installing a new RS-485 module, ensure that the jumpers on the
new module match the removed, old module.
A
B
Figure 30. Opened I/O latch
Updated July 14, 2008
42 SurePOS 700 Series: SurePOS 700-721/741/781, 722/742/782 Hardware Service Guide