IBM PCI Cryptographic Coprocessor Installation And Using Manual page 26

J2
J3
J6
Attention: Any loss of power erases data stored in the card's protected memory.
7. Replace the batteries in positions BT1, BT3, and BT4. To eject a battery, turn the
coprocessor over and insert a small object, such as a screwdriver, through the
hole to eject the battery.
8. Replace the battery in the BT2 position with the battery in the battery tray. (The
new batteries provide power to the coprocessor while you perform this step.)
9. Remove the battery tray from the J3 connector, and discard it.
10. Reinstall the coprocessor into the PCI bus slot; be sure the card is fully seated.
11. Replace the host computer's cover.
12. Reconnect the power cable and any other cables that you disconnected.
13. Turn the computer on. The coprocessor runs its power-on self-test.
14. The batteries are lithium 3-volt batteries. Recycle or dispose of the old batteries as
required by local law.
You have completed the procedure for replacing the coprocessor batteries.
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PCI Cryptographic Coprocessor Installation and Using Guide
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+
BT2 BT3
+
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BT1 BT4
To prevent loss, ensure that the battery tray contains a fresh battery
and is attached to the J3 connector.