IBM TotalStorage NAS Gateway 500, Service Manual

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The following figure shows the operator panel and the locations of operator panel components that are
referred to in this procedure.
2
9 8
7
OK
6 1 3 4 5
R
1 Power-on button 6 Operator panel display
2 Power LED 7 (FS1) front serial connector (RJ-48 connector)
3 Attention LED 8 Service processor reset switch (pinhole)
4 SCSI port activity 9 System reset button
5 Ethernet port activity
4. Turn on the system unit power.
5. After the keyboard POST indicator is displayed on the ASCII terminal and before the last POST
indicator ( speaker ) is displayed, press the numeric 6 key on the ASCII terminal to initiate a service
mode boot using the customized service mode boot list.
6. Enter any requested password.
Note: If you cannot load the diagnostics to the point when the
DIAGNOSTIC OPERATING INSTRUCTIONS
is
displayed, call your support center for assistance.
Step 3. Run the verification procedure
When the Diagnostic Operating Instructions are displayed, do the following to run system verification:
1. Press Enter .
2. If the terminal type has not been defined, the diagnostics prompt you to define your terminal by using
the Initialize Terminal option on the Function Selection menu to initialize the operating system
environment before you can continue with the diagnostics.
3. If you want to do a general checkout, with minimal operator action, select the Diagnostic Routines
option on the Function Selection menu.
If you want to do a more complete checkout, including the use of customer-supplied wrap plugs, select
the
Advanced Diagnostics option on the Function Selection menu. The advanced diagnostics are
primarily for the service representative; the diagnostics might instruct you to install wrap plugs to better
isolate a problem.
4. Select the System Verification option on the Diagnostic Mode Selection menu.
5. If you want to run a general checkout of all installed resources, select the All Resource option on the
Diagnostic Selection menu.
If you want to check one particular resource, select that resource on the Diagnostic Selection menu.
Checkout programs end with either of the following results:
v
The Testing Complete menu is displayed with a message stating
No trouble was found
.
v
The A Problem Was Detected On (Time Stamp) menu is displayed, with either a service request number
(SRN) or an error code. Make a note of any codes displayed on the console or operator panel.
Step 4. Perform additional system verification
To perform additional system verification, do the following:
1. Press Enter to return to the Diagnostic Selection menu.
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NAS Gateway 500 Service Guide