Running Diagnostics On The Rtc Battery - IBM N6270 Hardware And Service Manual

If your system is in...
A stand-alone configuration or an HA pair
in which both controller modules are in
separate chassis
The boot process is halted at either the Boot menu or the LOADER prompt.

Running diagnostics on the RTC battery

After installing the RTC battery, you should run diagnostics.
Procedure
1. Complete the applicable step, depending on where the node halted during the
boot process:
v If the node halted at the Loader prompt, continue with the next step in this
procedure.
v If the node halted at the Boot menu, then perform the following steps to
reach the Loader prompt before continuing with this procedure.
a. Select the Maintenance mode option from the displayed menu.
b. Enter the following command at the prompt: halt
c. Continue with the next step in this procedure.
On the target node, enter the following command at the LOADER prompt:
2.
boot_diags
Important: During the boot_diags process, you must enter y to the following
question before the system will boot to Maintenance mode: WARNING: System id
mismatch. This usually occurs when replacing CF or NVRAM cards! Override
system ID? {y|n} [n] y
Note: You must run this command from the LOADER prompt for system-level
diagnostics to function properly. The boot_diags command starts special
drivers designed specifically for system-level diagnostics.
The Maintenance mode prompt (*>) appears.
3. Enter the following command at the Maintenance mode prompt:
sldiag
For details about the sldiag command, see the sldiag man page.
4. Clear the status logs by entering the following command:
sldiag device clearstatus
5. Verify that the log is cleared by entering the following command:
sldiag device status
Then perform these steps...
1. With the cam handle in the open
position, insert the controller module
motherboard tray into the chassis, firmly
pushing until the controller module
meets the midplane, and then close the
cam handle so that the latch clicks into
the locked position and the controller
module is fully seated.
Attention: Do not use excessive force
when sliding the controller module into
the chassis; you might damage the
connectors.
2. Reconnect the power cables to the power
supplies and to the power sources, turn
on the power to start the boot process,
and then press Ctrl-c.
Replacing N6200 series system devices
99