IBM FlashSystem 900, Service Manual

Page: 257 / 546

3746-900 Control Panel
How to Perform 3746 Model 900 Control Panel Operations
IMPORTANT
Before working on non-customer access areas
of the 3746-900, power control should be set
to Local Mode.
This can be done as follows:
1. Using the 'Power Control' key, scroll until
the selected value is
3, Local Mode.
2. Press the 'Validate' key.
Power ON
To start the machine in 'Standby' state,
press the 'Start' key. A Power ON sequence is
executed followed by a general IML.
At successful conclusion of the operation, the
display appears as follows:
X= variable values
General IML
Press the 'General IML' key to select 'Function 0'
(General IML without diagnostics). A general
reset, followed by a general IML is executed. At
successful conclusion of the operation the display
appears as follows:
X= variable values
CBSA IML
Press the 'CBSA IML' key to select 'Function 1'
(CBSA IML with diagnostics). A CBSA reset is ini-
tiated, followed by a CBSA IML. At successful
conclusion of the operation the display appears as
follows:
X= variable values
CBSP Dump
Press the 'CBSA Dump' key to select 'Function 2'
(CBSP dump). A CBSA reset and dump of CBSP
microcode are executed. At successful conclusion
of the operation, the display appears as follows:
X= variable values
General IML With Diagnostics
1. Using the 'Function' key scroll until the
selected value is 3, (General IML with diag-
nostics).
2. Press the 'Validate' key.
This initiates a General Reset and IML with diag-
nostics.
The progression code (system reference code
SRC) is dynamically displayed on the control
panel until the normal end of the power ON IML,
is indicated as follows:
¹
Ready LED ON
¹
Standby LED OFF
¹
SRC 00000000 is displayed on the control
panel.
CBSA IML Without Diagnostics
1. Using the 'Function' key, scroll until the
selected value is 4, CBSA IML without diags.
2. Press the 'Validate' key.
This initiates a CBSA reset and CBSA IML without
diagnostics.
Panel Test
See the procedures described in “How to Run the
3746-900 Control Panel Test” on page 3-15.
Service Processor Link Restart
See the procedures described in “How to run the
3746-900 Service Processor Link Restart” on
page 3-16.
Display Error Code
1. Using the 'Function' key, scroll until the
selected value is 7, (Display reference code).
2. Press the 'Validate' key.
This displays the next part of the reference code.
¹
Press the 'Service mode' key to scroll forward.
¹
Press the 'Power control' key to scroll back-
ward.
Chapter 1. START
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