User manual

ASMB-920IR User Manual 8
1.5 Block Diagram
Figure 1.3 Block Diagram
1.6 System Memory
ASMB-920IR has eight 240-pin memory slots for DDR3 1066/1333/1600 MHz mem-
ory modules with maximum capacity of 128 GB (Maximum 16 GB for each DIMM).
ASMB-920IR supports registered DIMMs or unbuffered DIMM with ECC / Non-ECC
memory module.
Table 1.5: Onboard LED
LED Description LED Definition
5V_LED1 Power on LED Off:
Power off
On (Green):
System is On
5VSB_LED1 Standby LED Off:
No input AC Power
On (Green):
System is ON, in sleep mode,
or in soft-off mode
LED1 SAS error LED
(IR SKU Only)
On (Red):
Failed to initial SAS controller
LED2 SAS heartbeat LED
(IR SKU Only)
Blinking (Green) :
Controller is working normally
LED3 BMC heartbeat LED
(IR SKU Only)
Blinking (Green) :
Controller is working normally