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BMC Heartbeat LED
LEDM1 is the BMC heartbeat LED. When the LED is blinking green, BMC is functioning
normally.
Memory Fault Indication LEDs
The memory fault LEDs provide visual notification to a service technician which memory
DIMM slot(s) are at fault due to un-correctable memory errors during POST (Power-On Self-
Test). A memory fault LED will remain "on" even after system reboots (or repeated "power
cycling") until it is reset manually by the technician using the BIOS setup menu to turn it off.
This feature allows the technician to easily identify and replace any bad DIMMs that may be
at fault in the system.
LED
Description
LED_P1_A1-A2
Memory Fault LEDs for Memory Module P1_A1-A2
LED_P1_B1-B2
Memory Fault LEDs for Memory Module P1_B1-B2
LED_P1_C1-C2
Memory Fault LEDs for Memory Module P1_C1-C2
LED_P1_D1-D2
Memory Fault LEDs for Memory Module P1_D1-D2
LED_P1_E1-E2
Memory Fault LEDs for Memory Module P1_E1-E2
LED_P1_F1-F2
Memory Fault LEDs for Memory Module P1_F1-F2
LED_P2_A1-A2
Memory Fault LEDs for Memory Module P2_A1-A2
LED_P2_B1-B2
Memory Fault LEDs for Memory Module P2_B1-B2
LED_P2_C1-C2
Memory Fault LEDs for Memory Module P2_C1-C2
LED_P2_D1-D2
Memory Fault LEDs for Memory Module P2_D1-D2
LED_P2_E1-E2
Memory Fault LEDs for Memory Module P2_E1-E2
LED_P2_F1-F2
Memory Fault LEDs for Memory Module P2_F1-F2
Chapter 4: Motherboard Connections
Onboard Power LED Indicator
LED Color
Definition
Green:
BMC Normal
Blinking
Memory Fault LED Indicators
65
Status
Red: on (memory errors)
Red: on (memory errors)
Red: on (memory errors)
Red: on (memory errors)
Red: on (memory errors)
Red: on (memory errors)
Red: on (memory errors)
Red: on (memory errors)
Red: on (memory errors)
Red: on (memory errors)
Red: on (memory errors)
Red: on (memory errors)
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