Overheat Led/Fan Fail - Supermicro X7DBR-8 User Manual

Overheat LED/Fan Fail

(JOH1)
The JOH1 header is used to connect
an LED to provide warnings of chas-
sis overheating. This LED will blink
to indicate a fan failure. Refer to the
table on right for pin defi nitions.
SMB
A System Management Bus header
is located at J18. Connect the ap-
propriate cable here to utilize SMB on
your system.
GLAN1
PCI-X 100MHz ZCR
PCI-X 100MHz
GLAN2
SCSI
CTRLR
B
PWR
4-pin
8-pin PWR
SMB
JPWF PWR
SXB-
SXB- SXB-
2-21
Chapter 2: Installation
Overheat LED
Pin Defi nitions
Pin# Defi nition
1 5vDC
2 OH Active
OH/Fan Fail LED
State Message
Solid Overheat
Blinking Fan Fail
SMB Header
Pin Defi nitions
Pin# Defi nition
1 Data
2 Ground
3 Clock
4 No Connection
A. OH/Fan Fail LED
B. SMB Header
A
JOH1