Intel S1200BTL Product Specification - Page 121

Intel, Light Guided Diagnostics - boot issue

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Intel®Server Board S1200BT TPS Intel®Light Guided Diagnostics 9. Intel® Light Guided Diagnostics The server board has several on-board diagnostic LEDs to assist in troubleshooting board-level issues. This section shows where each LED is located on the server board and describes the function of each LED. 9.1 System Status LED (Only for S1200BTL) The server board provides a system status indicator LED on the front panel. This indicator LED has specific states and corresponding interpretation as shown in the following table: LED Power/Sleep Status Global HDD Activity LAN 1-2 Chassis Identification Table 44. Front Panel LED Behavior Summary Color Green Green Green Green Amber Amber Green Green Green Blue Blue Condition On Blink Off On Blink On Blink Off Blink Off On Blink Off On Blink Off Description Power on or S0 sleep S1 sleep or S3 standby only for workstation baseboards Off (also sleep S4/S5 modes) System ready/No alarm System ready, but degraded: redundancy lost such as PS or fan failure; non-critical temp/voltage threshold; battery failure; or predictive PS failure. Critical alarm: Voltage, thermal, or power fault; CPU missing; insufficient power unit redundancy resource offset asserted Non-Critical failure: Critical temp/voltage threshold; VDR hot asserted; min number fans not present or failed AC power off: System unplugged AC power on: System powered off and in standby, no prior degraded\non-critical\critical state HDD access No access and no fault LAN link/ no access LAN access Idle Front panel chassis ID button pressed Unit selected for identification via software No identification 9.2 Post Code Diagnostic LEDs During the system boot process, the BIOS executes several platform configuration processes, each of which is assigned a specific hex POST code number. As each configuration routine is started, the BIOS displays the POST code on the POST code diagnostic LEDs found on the back edge of the server board. To assist in troubleshooting a system hang during the POST process, the diagnostic LEDs can be used to identify the last POST process executed. Revision 1.0 109 Intel order number G13326-003

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Intel®
Server Board S1200BT TPS
Intel®
Light Guided Diagnostics
Revision 1.0
Intel order number G13326-003
109
9.
Intel
®
Light Guided Diagnostics
The server board has several on-board diagnostic LEDs to assist in troubleshooting board-level
issues. This section shows where each LED is located on the server board and describes the
function of each LED.
9.1
System Status LED (Only for S1200BTL)
The server board provides a system status indicator LED on the front panel. This indicator LED
has specific states and corresponding interpretation as shown in the following table:
Table 44. Front Panel LED Behavior Summary
LED
Color
Condition
Description
Power/Sleep
Green
On
Power on or S0 sleep
Green
Blink
S1 sleep or S3 standby only for workstation baseboards
Off
Off (also sleep S4/S5 modes)
Status
Green
On
System ready/No alarm
Green
Blink
System ready, but degraded: redundancy lost such as PS or
fan failure; non-critical temp/voltage threshold; battery
failure; or predictive PS failure.
Amber
On
Critical alarm: Voltage, thermal, or power fault; CPU
missing; insufficient power unit redundancy resource offset
asserted
Amber
Blink
Non-Critical failure: Critical temp/voltage threshold; VDR hot
asserted; min number fans not present or failed
Off
AC power off: System unplugged
AC power on: System powered off and in standby, no prior
degraded\non-critical\critical state
Global HDD
Activity
Green
Blink
HDD access
Off
No access and no fault
LAN 1-2
Green
On
LAN link/ no access
Green
Blink
LAN access
Off
Idle
Chassis
Identification
Blue
On
Front panel chassis ID button pressed
Blue
Blink
Unit selected for identification via software
Off
No identification
9.2
Post Code Diagnostic LEDs
During the system boot process, the BIOS executes several platform configuration processes,
each of which is assigned a specific hex POST code number. As each configuration routine is
started, the BIOS displays the POST code on the POST code diagnostic LEDs found on the
back edge of the server board. To assist in troubleshooting a system hang during the POST
process, the diagnostic LEDs can be used to identify the last POST process executed.