4
Chapter 2: Hardware Reference.................................................................................................................... 19
Control panel connectors/IO ports ........................................................................................................................................19
Back panel connectors/IO ports....................................................................................................................................................... 19
Headers and connectors.......................................................................................................................................................... 21
Front control panel JF1 header......................................................................................................................................................... 21
Power connectors ................................................................................................................................................................................ 24
Fan headers........................................................................................................................................................................................... 25
Chassis intrusion .................................................................................................................................................................................. 25
Power LED/speaker ............................................................................................................................................................................. 25
Overheat LED/fan fail (JOH1)........................................................................................................................................................... 26
SATA-SGPIO 0/1 headers................................................................................................................................................................... 26
System management bus .................................................................................................................................................................. 26
Power SMB (I
2
C) connector.............................................................................................................................................................. 27
Jumper block settings...............................................................................................................................................................27
GLAN enable/disable.......................................................................................................................................................................... 28
CMOS clear ........................................................................................................................................................................................... 28
I
2
C Bus to PCI-Express slots............................................................................................................................................................... 28
VGA enable ........................................................................................................................................................................................... 28
SAS enable (SB5520DT1-SAS only)................................................................................................................................................. 29
Onboard LED indicators .......................................................................................................................................................... 29
GLAN LEDs............................................................................................................................................................................................ 29
IPMI dedicated LAN LEDs .................................................................................................................................................................. 29
BMC activity LED.................................................................................................................................................................................. 30
SAS heartbeat LED............................................................................................................................................................................... 30
SAS error LED ....................................................................................................................................................................................... 30
Onboard power LED........................................................................................................................................................................... 30
Rear I/O POST code LEDs.................................................................................................................................................................. 31
SATA and SAS connections...................................................................................................................................................... 31
Processors and heatsinks.........................................................................................................................................................32
Processor installation .......................................................................................................................................................................... 32
Heatsink installation ............................................................................................................................................................................ 35
Heatsink removal ................................................................................................................................................................................. 36
Memory .......................................................................................................................................................................................36