Supermicro X7DB8-X - Overheat LED;Fan Fail (JOH1); SMB

Chapter 2: Installation
2-21
GLAN1
®
S
U
P
ER X7
DB8/E
-X
GLAN2
8-pin PWR
FP Ctrl
SPK
PW LED
JOH1
F
an3
I
D
E
1
F
l
o
p
p
y
BI
OS
320 S C S I C hannel A
Fan4
SAT
A
1
S
A
TA
0
USB2
/
3
S
MB
PC
I
-X 100 MHz(ZC
R
-X7
D
B
8only
)
PC
I
-
X1
33 M
H
z
J
W
D
B
a
t
t
ery
VGA
C
T
R
L
Nor
th
Br
i
dge
VGA
COM1
U
S
B0
/
1
K
B
/
M
o
u
se
Fan6
Fan5
ATX P
W
R
4-Pin
PWR
J3P
24-Pin
J
PG
1
SCSI CTRL
CPU1
CPU2
So
u
th
Brid
g
e
P
X
H
D
IM
M
1A (B ank 1)
Fan7
JAR
PSF
L
E
1
J
P
A
2
J
P
A
3
J
PA1
320 S CS I C hannel B
SAT
A
3
SATA2
SAT
A
4
SAT
A
5
J
L
1
JK1
Sl
o
t1
Sl
o
t2
Slot
3
PC
I
-
X1
33 M
H
z
Sl
o
t4
J
P
L1
J
P
L2
Sl
ot
5
Sl
ot
6
SIMLP IPMI
Sl
ot
7
DIM
M
1
B
(B
an
k1)
D
I
MM
2A
(B
ank 2)
DIM
M
2
B
(B
an
k2)
D
IMM 3A (B ank 3)
DIM
M
3
B
(B ank 3)
D
IMM 4A (B ank 4)
DIMM 4
B
(B ank 4)
J
BT
1
US
B4
JWOR
1
C
OM
2
D
A
2
WOL
D
A
1
SI
/O
JP1
L
A
N
C
T
R
L
J27
J28
S
G
P
I
O
1
S
GPI
O
2
SMBPS
PC
I
-
X1
0
0
MH
z
PC
I
-
X1
00 MH
z
P
C
I
-
X133
MH
z
Video
Memory
P
X
H
Fan8
F
an2
Fan1
Buzzer
5000P
ESB2
Adaptec 7902
SMB
A System Management Bus header is
located at J18. Connect an appropri-
ate cable here to utilize SMB on your
system.
Overheat LED/Fan Fail
(JOH1)
The JOH1 header is used to connect
an LED to provide warning of chassis
overheating. This LED will blink to in-
dicate a fan failure. Refer to the table
on right for pin defi nitions.
SMB Header
Pin Defi nitions
Pin# Defi nition
1Data
2 Ground
3 Clock
4 No Connection
Overheat LED
Pin Defi nitions
Pin# Defi nition
1 5vDC
2 OH Active
OH/Fan Fail LED
State Message
Solid Overheat
Blinking Fan Fail
A
B
A. OH/Fan Fail LED
B. SMB