Erasing A Lost Or Forgotten Password (Clearing Cmos Memory) - IBM 884155U User Manual

20. Reinstall the cover.
21. Reconnect all external cables and power cords and turn on the peripheral
22. Turn on the server to restart the operating system.

Erasing a lost or forgotten password (clearing CMOS memory)

This section applies to a lost or forgotten power-on password. For general
information about passwords, see the User's Guide on the IBM Documentation CD.
Attention:
change, override, or remove it. You must replace the system board.
To set the power-on password reset switch and erase a forgotten password,
complete the following steps:
devices.
If an administrator password is lost or forgotten, there is no way to
1. Read Appendix B, "Safety information," on page 153 and "Handling
static-sensitive devices" on page 12.
2. Turn off the server and all attached devices.
3. Disconnect the power cord; then, disconnect all external cables.
4. Remove the cover (see "Removing the left-side cover" on page 14).
5. Locate the password reset switch (position 2 of SW1) on the system board,
removing any components that impede access to the switch.
Boot block
recovery jumper (J5)
3
3
2
2
1
1-2 2-3
Normal Recovery
SW2
NMI button
S 1 W
3
8 7 6 5 4 2 1
Force
power-on
Password
Force
override
BMC
override
Chapter 5. Diagnostics
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