HP A4500A - VMEbus Single Board Computer 744 Motherboard Special Instructions page 2

Step 5. For the DC-to-DC Converter module to be removed:
a. Gently pull the left and right levers away from each side of the board
(approximately 0.635 cm - 1/4 in.).
b. Grasp the module by the left and right edges.
c. With a gentle rocking motion, pull the module up and out of its slot.
d. Place the module on a clean, static-free surface.
Step 6. Install Repeat step 5 for each DC-to-DC Converter to be removed.
Step 7. Install replacement DC-to-DC converters as follows:
Master DC-DC
Converter
a. Grasp the module by the left and right edges and hold it above the appropriate
connector on the system board. Inspect the module and connector - he module and
connector are keyed are and cannot be inserted incorrectly. Orient the module for
insertion.
CAUTION DO NOT press hard on the left/right levers or they
will break. Levers provide vertical stability, only.
b. Press the module into the connector. Place your thumbs on the top edge of the
module, near the left and right sides, and push it straight down into the
corresponding until either an audible "click" is heard, or the levers close and seat
into the slots in the side edges of the module
c. Verify that the left and right levers on each side of the module are in the closed
position
Master DC-DC
Converter Slave Module
CPU1
Slave Master DC-DC
Modules Converter
5971-4258
Sep 2004
CPU0
Slave
Modules