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SMB
A
System
Management
header is located at J22. Connect
the appropriate cable here to uti-
lize SMB on your system.
Overheat LED/Fan Fail
(JOH1)
The JOH1 header is used to con-
nect an LED to provide warning of
chassis overheating. This LED will
blink to indicate a fan failure. Re-
fer to the table on right for pin
definitions.
4-pin
Fan6 Fan5
P W R
J 9
DIMM 1B
DIMM 1A
DIMM 2B
DIMM 2A
DIMM 3B
DIMM 3A
DIMM 4B
DIMM 4A
M i c
Bus
A T X P W R
J P F
J 1 B 4
Force
P W
Bank 1
Bank 1
Bank 2
Bank 2
Bank 3
Bank 3
Bank 4
Bank 4
JBT1
BIOS
FPUSB 6/7
J D 2 SATA0
SMB
2-19
SMB Header
Pin Definitions (J22)
Pin
Number
1
2
3
4
Table 2-15
Overheat LED
Pin Definitions (JOH1)
Pin
Number
1
2
Overheat/Fan Fail
State
Solid
Blink
12V 8-
p i n P W
PW SMB
J 2 4
J 1 D 1
F A N 7
P W
Fault
CPU1
CPU2
J L 1
IPMI 2.0
J 3
J 4
J P 8
SCSI CTRL
E n a b l e
JPA1
7 9 0 2
S C S I
C T R L
J A 1
SCSI Ch.A
Term.
JPA2
SCSICh.B
SATA1
JPA3
SCSI Ch B
Term.
J A 2
Chapter 2: Installation
Definition
Data
Ground
Clock
No Connection
Definition
OH Active
Ground
LED
Message
Overheat
Fan Fail
Overheat LED
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