Replacing The Front Usb Module (Models 743, C43, E43, 783, E83, 784, C84, And E84 Only); Replacing The Spline - IBM SurePOS 700 Series Hardware Service Manual

Replacing the front USB module (Models 743, C43, E43, 783, E83, 784,
C84, and E84 only)
To remove the front USB module:
1. Disconnect the external option cable attached to the USB module.
2. Follow the steps in "Removing the pullout tray" on page 37 to slide the pullout
3. Disconnect the internal cable attached to the back of the USB module.
4. Remove the two screws holding the USB module to the pullout tray:
5. Pull the USB module from the front of the unit.
To replace front USB module, reverse the previous steps.

Replacing the spline

Note: Spline handles are not present in all systems.
To remove the spline:
1. Follow the steps in "Removing the pullout tray" on page 37 to remove the
2. Locate any installed feature cards and retaining screws ( A in Figure 32).
Figure 32. Removing feature cards
3. Note the cable routing, and then carefully disconnect all power and
4. Completely loosen the spring screw ( A in Figure 33 on page 47) holding the
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SurePOS 700-723/743/783/784 Hardware Service Guide
tray halfway out of the unit frame.
v One screw is attached to the front of the pullout tray
v The other screw is attached inside the pullout tray, to the bottom.
pullout tray completely from the unit frame.
Remove the screws and pull the feature card out of the system.
A
communications cables from the riser card.
Note: The riser card main power connector has a latch on the bottom of it that
you must push to disconnect it.
front of the spline down to the pullout tray.