Fan Headers - Supermicro X7DBR-3 User Manual

X7DBR-3/X7DBR-E User's Manual

Fan Headers

The X7DBR-3/X7DBR-E has fi ve chassis/sys-
tem fan headers (Fan1 to Fan5.) See the table
on the right for pin defi nitions. (*The onboard
fan speeds are controlled by Thermal Man-
agement via BIOS Hardware Monitor in the
.
Advanced Setting Note: Default: Disabled.)
(*Note: all these fans are 4-pin fan connec-
tors. However, currently only 3-pin control is
supported. Pins 1-3 of the fan headers are
backward compatible with the traditional 3-pin
fans.)
GLAN1
PCI-X 100MHz ZCR
PCI-X 133MHz
GLAN2
SAS
CTRLR
PWR
4-pin
8-pin PWR
SMB
JPWF PWR
SXB-
SXB- SXB-
2-16
Fan Header
Pin Defi nitions
Pin# Defi nition
1 Ground
2 +12V
3 Tachometer
A. Fan 1
B. Fan 2
A
C. Fan 3
B
D. Fan 4
E. Fan 5
C
D
E
JOH1