IBM 704 - Manual (Page 156)

Replacing the Real-Time Clock
3. In the U.S., please call 1-800-IBM-4333 for information on battery
disposal.
To replace the real-time clock, do the following steps:
1. Remove the board-support panel:
a. Remove the left side panel 1 .
b. Remove the four screws 2 from the right edge of the
board-support panel. Save the screws for later use.
1
2
c. Open the board-support panel.
d. Remove the board-support panel by pulling the back edge
away from the three slots at the back of the chassis.
e. Store the panel until you are ready to reinstall it.
138 PC Server 704 User's Handbook