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System board diagrams - IBM Netfinity 4500R

Product Documentation


Abstract

This document contains a diagram of the system board of the Netfinity 4500R server.

Content

System board layout
The illustrations in the following sections show the components on the system board.

System board options connectors
The following illustration shows a layout of the system board and identifies system-board connectors for user-installable options.

System board options connectors

  1. PCI slot 5 32-bit (J44)
  2. Battery
  3. PCI slot 4 32-bit (J39)
  4. PCI slot 3 64-bit (J34)
  5. PCI slot 2 64-bit (J32)
  6. PCI slot 1 64-bit (J27)
  7. DIMM 1 (J23)
  8. DIMM 2 (J21)
  9. DIMM 3 (J19)
  10. DIMM 4 (J18)
  11. Primary microprocessor (U17)
  12. Secondary microprocessor (U3)
  13. Voltage regulator module 2 (VRM2) (U26)

System board internal cable connectors
The following illustration shows internal cable connectors on the system board.

System board internal cable connectors

  1. Internal SCSI channel A (J29)
  2. Internal SCSI channel B (J17)
  3. Fan 3 (J35)
  4. Main Power (J4)
  5. Power (J51)
  6. Fan 1 (J59)
  7. 3.3V power for optional backplane (J52)
  8. Power system management (J12)
  9. DASD (SCSI) system management (J5)
  10. Fan 2 (J60)
  11. Operator information panel (J50)
  12. On-off / Reset panel (J38)
  13. IDE (J31)
  14. Diskette (J26)

System board external port connectors
The following illustration shows the external port connectors in the system board.

System board external port connectors

  1. Parallel port (J22)
  2. Video / Advanced System Management Process or port (J13)
  3. USB ports (J11)
  4. Ethernet ports (J9)
  5. Keyboard / mouse port (J6)
  6. Serial ports (J3)

System board switches and jumpers
The following illustration identifies the switches and jumpers on the system board.

System board switches and jumpers

  1. System board switch block (SW1)
  2. Boot block jumper (J37)

System board jumper blocks
Any jumper blocks on the system board that are not shown in the illustration are reserved. For normal operation of the system, no jumpers should be installed on any of the jumper blocks.

System board switch block
The switch block contains microswitches 1-8. As shown in this illustration, switch 8 is at the top of the switch block and switch 1 is at the bottom. The following table describes each switch.

Switch number Description
1- 4 Microprocessor speed setting
5 Power-on override. When On, overrides the power-on switch and forces power-on mode. The system will always boot without the use of the power-on switch. The default setting is Off (disabled).
6 Clock frequency selection. When On, sets the host bus speed to 100 MHz. When Off, the host bus speed is 133 MHz. The default setting is Off.
7 Reserved. The default setting is Off.
8 Password override. When On, bypass the power-on password. When Off, require the user to enter the power-on password at startup, if one is set. The default setting is Off.

Microprocessor speed Switch 1 Switch 2 Switch 3 Switch 4
667/133 On On Off Off
733/133 On Off Off Off
800/133 Off On On On
866/133 Off Off On On

NOTE: The speed settings shown above apply only to unlocked processors. If the processors are production level they are locked and there is no need to change the speed settings.

System board LED locations
The following illustration identifies LEDs on the system board. You might need to refer to this figure when solving problems with the server.

System board LED locations

  1. Secondary microprocessor failure (CR7)
  2. Primary microprocessor failure (CR1)
  3. Voltage regulator module (VRM2) failure (CR16)
  4. Integrated voltage regulator (VRM1) failure (CR4)
  5. Diagnostics panel
  6. Advanced System Management Processor error (CR70)
  7. Power-on (CR56)
  8. DIMM1 failure (CR21)
  9. DIMM2 failure (CR28)
  10. DIMM3 ailure (CR18)
  11. DIMM4 failure (CR20)

Diagnostics panel LEDs

See the following table for a description of the diagnostics panel LEDs:

CR LED Description
29 PS1 Power supply 1 failure
30 PS2 Power supply 2 failure
31 PS3 Not used
32 NON Non-redundant power
33 OVER Overspecification. The system has exceeded the power capibilities of the installed power supply units.
34 NMI Non-maskable interrupt occurred.
22 TEMP System temperature exceeded maximum rating.
23 FAN A fan failed or is operating slowly.
24 MEM Memory failure. One or more dual in-line memory modules (DIMMS) failed.
25 CPU Microprocessor failure. One or both microprocessors failed.
26 PCI 1 Error on primary PCI channel (A) or system board.
27 PCI 2 Error on secondary PCI channel (B) or system board.
58 VRM Error on voltage regulator module or on integrated voltage regulator.
53 DASD1 SCSI bus A failure. The SCSI backplane (if any) or a device connected to SCSI bus A failed.
57 DASD2 SCSI bus B failure. The SCSI hot-swap disk drive backplane on SCSI bus B failed.

Additional information
Netfinity 4500R - System service parts (FRU number) listing
Netfinity 4500R - Hardware Maintenance Manual

 

 

 

Document Location

Worldwide

Operating System

Older System x:Operating system independent / None

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Document Information

Modified date:
24 January 2019

UID

ibm1MIGR-52666

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