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Sun Fire X4600 and Sun Fire X4600 M2 Servers Service Manual

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Document Information

Preface

1.  Introduction to the Sun Fire X4600/X4600 M2 Servers

2.  Powering On and Configuring BIOS Settings

3.  Maintaining the Sun Fire X4600/X4600 M2 Servers

A.  System Specifications

B.  BIOS POST Codes

C.  LEDs and Jumpers

C.1 External LEDs

C.2 Internal LEDs

C.3 Jumpers

D.  Connector Pinouts

E.  Serial Attached SCSI BIOS Configuration Utility

F.  CPU Modules and Memory DIMMs

G.  Power Supplies

Index

Appendix C

LEDs and Jumpers

This appendix describes the LEDs and jumpers on the Sun Fire X4600 server and the Sun Fire X4600 M2 server. The information is organized into three sections:

C.1 External LEDs

See the following figures and tables for information about the LEDs that are viewable on the outside of the server.

Sun Fire X4600/X4600 M2 Servers Front Panel LEDs
Graphic showing the X4600/X4600 M2 Servers front panel with the status indicator LEDs called out on the upper left and on the front of the hard disk drives.
Front Panel LED Functions
LED Name
Description
Locate button/LED
This LED helps you to identify which system in the rack you are working on in a rack full of servers.
  • Push and release this button to make the Locate LED blink for 30 minutes.

  • Hold down the button for 5 seconds to initiate a “push-to-test” mode that illuminates all other LEDs both inside and outside of the chassis for 15 seconds.

Service Action Required LED
This LED has two states:
  • Off: Normal operation.

  • Slow Blinking: An event that requires a service action has been detected. It also blinks when only one power supply is plugged in.

Power/OK LED
This LED has three states:
  • Off: Server main power and standby power are off.

  • Blinking: Server is in standby power mode, with AC power applied to only the GRASP board and the power supply fans.

  • On: Server is in main power mode with AC power supplied to all components.

Front Fan Fault LED
This LED lights when there is a failed front cooling fan module. LEDs on the individual fan modules indicate which fan module has failed.
Power Supply Fault LED
This LED lights when:
  • Two power supplies are present in the system but only one has AC power connected. To clear this condition either plug in the second power supply or remove it from the chassis.

  • Any voltage related event occurs in the system. For CPU-related voltage errors the associated CPU Fault LED will also be illuminated.

System Overheat Fault LED
This LED lights when an upper temperature limit is detected.
Hard Disk Drive Status LEDs
The hard disk drives have three LEDs:
  • Top LED (blue): reserved for future use.

  • Middle LED (amber): Hard disk drive failed.

  • Bottom LED (green): Hard disk drive is operating properly.

Sun Fire X4600/X4600 M2 Servers Back Panel LEDs
Graphic showing the X4600/X4600 M2 Servers back panel with the status indicator LEDs called out.
Back Panel LED Functions
LED Name
Description
Power Supply Status LEDs
The power supplies have one LED:
  • LED is on (amber): Power supply failed.

  • LED is off: AC power to power supply is operating properly.

10/100/1000 Gigabit Ethernet port LEDs (NET0 – NET3)
Each connector has two LEDs:
  • Right side LED on (green): indicates link activity

  • Left side LED green: link is established at 1 gigabit

  • Left side orange: link is established at 10 or 100 megabits

10/100 Gigabit Ethernet management port (NET MGT)
The connector has two LEDs:
  • Right side LED on (green): indicates link activity

  • Left side LED green: link is established at 100 megabits

  • Left side orange: link is established at 10 megabits

Locate button/LED

(Same function as on front panel)

This LED helps you to identify which system in the rack you are working on in a rack full of servers.
  • Push and release this button to make the Locate LED blink for 30 minutes.

  • Hold down the button for 5 seconds to initiate a “push-to-test” mode that illuminates all other LEDs both inside and outside of the chassis for 15 seconds.

Service Action Required LED

(Same function as on front panel)

This LED has two states:
  • Off: Normal operation.

  • Slow Blinking: An event that requires a service action has been detected.

Power/OK LED

(Same function as on front panel)

This LED has three states:
  • Off: Server main power and standby power are off.

  • Blinking: Server is in standby power mode, with AC power applied to only the GRASP board and the power supply fans.

  • On: server is in main power mode with AC power supplied to all components.

Fan Tray Fault LED Locations
System Designation of Fan Connector Boards (FT) and Fault LEDs (one on each FT)..
Fan Tray LED Functions
LED Name
Description
Fan tray fault LEDs
Each fan tray has one LED:
  • LED is on (amber): Fan tray failed.

  • LED is off: Fan tray is operating properly.

For more information, see Replacing a Fan Tray

C.2 Internal LEDs

Status indicator LEDs are present several places inside the chassis:

Sun Fire X4600 Fault LED and Button Locations on the CPU module
Diagram showing the locations and designations of the fault reporting LEDs and the fault remind button on the CPU module.
CPU Module LED Functions
LED Name
Description
CPU module Attention LED
This LED has two states:
  • Off: CPU module and its components are operating properly.

  • Lit (amber): Either the CPU module, a DIMM, or a CPU has failed.

DIMM Fault LED

(The ejector levers on the DIMM slots contain the LEDs.)

This LED has two states:
  • Off: DIMM is operating properly.

  • Lit (amber): DIMM has failed.

CPU Fault LED
This LED has two states:
  • Off: CPU is operating properly.

  • Lit (amber): CPU has encountered a voltage or heat error condition.

LEDs on Motherboard and GRASP board
Server from top
Motherboard and GRASP Board LED Functions 
LED Name
Description
GRASP board power status LED
This LED has two states:
  • Off: 3.3V standby power is not reaching the GRASP board.

  • Lit (green): 3.3V standby power is reaching the GRASP board.

Motherboard auxiliary power LED (CR21)
This LED has two states:
  • Off: 3.3V standby power is not reaching the motherboard.

  • Lit (green): 3.3V standby power is reaching the motherboard.

Motherboard power LEDs (CR41, CR19, CR34, and CR35)
All four LEDs should be lit when system is powered up. Any other state indicates fault.
DVD activity LED (CR28)
This LED has two states:
  • Off: DVD drive is inactive.

  • Lit or flickering (green): DVD drive is active.

SAS heartbeat LED (CR7)
Blinks in regular pattern when SAS controller is active. Fault if not blinking after system is out of reset.
SAS Activity, Slot 0 (CR8)
This LED has two states:
  • Off: SAS drive in slot 0 is inactive.

  • Lit or flickering (green): SAS drive in slot 0 is active.

SAS Activity, Slot 1 (CR6)
This LED has two states:
  • Off: SAS drive in slot 1 is inactive.

  • Lit or flickering (green): SAS drive in slot 1 is active.

SAS Activity, Slot 2 (CR29)
This LED has two states:
  • Off: SAS drive in slot 2 is inactive.

  • Lit or flickering (green): SAS drive in slot 2 is active.

SAS Activity, Slot 3 (CR30)
This LED has two states:
  • Off: SAS drive in slot 3 is inactive.

  • Lit or flickering (green): SAS drive in slot 3 is active.

SAS Fault, Slot 0 (CR9)
This LED has two states:
  • Off: SAS drive in slot 0 is present and working.

  • Lit (yellow): SAS slot 1 is empty or contains faulty drive. (Remains yellow during option ROM execution at boot.)

SAS Fault, Slot 1 (CR10)
This LED has two states:
  • Off: SAS drive in slot 1 is present and working.

  • Lit (yellow): SAS slot 1 is empty or contains faulty drive. (Remains yellow during option ROM execution at boot.)

SAS Fault, Slot 2 (CR11)
This LED has two states:
  • Off: SAS drive in slot 2 is present and working.

  • Lit (yellow): SAS slot 2 is empty or contains faulty drive. (Remains yellow during option ROM execution at boot.)

SAS Fault, Slot 3 (CR31)
This LED has two states:
  • Off: SAS drive in slot 3 is present and working.

  • Lit (yellow): SAS slot 3 is empty or contains faulty drive. (Remains yellow during option ROM execution at boot.)

C.3 Jumpers

The server motherboard has several jumpers, described in Jumpers on the Motherboard and Jumper Functions . Note that some jumpers are not meant to be used in the field; these are labelled “Do not use” in the table.

Jumpers on the Motherboard
Jumpers on servers.
Jumper Functions 
Jumper Name
Function
J32, Interlock Switch Disable
Do not use.
P19, Force BIOS Recovery
P20, Clear Password
P21, Hard Reset
Bridge to change reset button action from soft reset to hard reset.
P23, Kill Switch Disable
Do not use.
P25, Clear CMOS
P3, I2C
Do not use.