1

Front indicator module (FIM). The FIM provides separate controls and system status LED indicators for System A and System B while in 4-socket mode.

• Chassis/SMOD0 System A controls and indicators:

  Locate Button/LED: white

  Fault-Service Required LED: amber

  System OK LED indicator: green

  On/Standby button, recessed

  SP OK: green

  System Overtemperature Warning LED: amber

  Chassis SMOD0 Rear Fault-Service Required LED: amber

  CMOD0-3 Fault-Service Required LEDs 0, 1, 2, 3: amber

• SMOD1 System B controls and indicators:

  Locate Button/LED: white

  Fault-Service Required LED: amber

  System OK indicator: green

  On/Standby button, recessed

  SP OK: green

  System Overtemperature Warning LED: amber

  SMOD1 Rear Fault-Service Required LED: amber

  CMOD4-7 Fault-Service Required LEDs 4, 5, 6, 7: amber

Front Indicator Module (FIM) Panel

Controls and Indicators

2

Four power supplies (PS)

Power supplies 0 (bottom) through 3 (top) labeled PS0, PS1, PS2, PS3

PS2 and PS3 power System A. PS0 and PS1 power System B.

Power Supply (PS) Indicators

Power Subsystem.

3

Eight fan modules (FM)

Fan modules FM0 through FM7: Top row: 1, 3, 5, 7 Bottom row: 0, 2, 4, 6

SMOD0 System A: FM 0, 1, 2, 3; SMOD1 System B: FM 4, 5, 6, 7

Troubleshooting System Cooling Issues

Cooling Subsystem

4

Two fan frames

SMOD0 System A: FM 0, 1, 2, 3; SMOD1 System B: FM 4, 5, 6, 7

Troubleshooting System Cooling Issues

Cooling Subsystem

5

Eight internal CPU Modules (CMODs). CMOD bays are accessible behind the fan frames.

System A: CMODs 0-3; System B: CMODs 4-7.

4-socket mode: CMODs 0-3. 8-socket mode: CMODs 0-7

CPU Module (CMOD) Overview