Technical data

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3. Power Subsystem ...................................................................................................3-1
3.1 Overview......................................................................................................3-1
3.2 Power Fault Indicator Descriptions and Locations................................ 3-3
3.2.1 System Controller and Offline Switchers (OLSs).................3-3
3.2.2 System and Power Boards.......................................................3-5
IP19 and IP21 CPU Board .......................................................3-5
MC3 Memory Board................................................................ 3-5
IO4/VCAM Board................................................................... 3-6
Remote VCAM (RMT_VCAM) Board .................................. 3-7
Mezzanine (F Mezz and S Mezz) Boards .............................3-8
Power Boards............................................................................ 3-9
3.2.3 SCSIBox Drive Enclosure.........................................................3-9
3.3 Power-On Sequence..................................................................................3-10
3.3.1 Isolating Errors........................................................................3-14
4. Using the System Controller................................................................................4-1
4.1 Overview......................................................................................................4-1
4.2 Basic Functions............................................................................................4-2
4.2.1 Overtemperature Sensor..........................................................4-2
4.2.2 Blower Speed Control ..............................................................4-2
4.2.3 Power-On, Boot, and Reset Sequences...................................4-3
4.2.4 Monitoring Normal System Operation.................................. 4-3
4.2.5 Initiating a System Power-Off.................................................4-4
Overtemperature Faults.......................................................... 4-4
4.3 Error Messages............................................................................................4-4
4.4 Sensor Locations........................................................................................4-10
4.5 Menu Hierarchy........................................................................................4-11
4.5.1 Key Switch in the On Position ..............................................4-13
4.5.2 Key Switch in the Manager Position....................................4-13
4.5.3 Debug Menu............................................................................4-14
5. PROM Monitor..........................................................................................................5-1
5.1 Overview......................................................................................................5-1
5.2 Power-On Tests...........................................................................................5-1
5.2.1 IP19 Power-On Tests ................................................................5-1
5.2.2 IP21 Power-On Tests ................................................................5-5
5.3 Power-On Test Status Messages.............................................................5-10
5.4 Power-On Diagnostics Commands........................................................5-12
5.5 Niblet ..........................................................................................................5-13