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Power connectors
The main power supply connection are listed below.
J9B5 main power connector
A 24-pin connector is an SSI-compliant connector,
providing the main power connection for the Motherboard.
Pin
Signal Name
1
+3.3 Vdc (orange)
3
GND (orange)
5
GND (black)
7
GND (black)
9
5 VSB (purple)
11
+12 Vdc (yellow)
13
+3.3 Vdc (orange)
15
GND (black)
17
GND (black)
19
GND (black)
21
+5 Vdc (red)
23
+5 Vdc (red)
J3J2 CPU voltage regulator power connector
A 8-pin connector is an SSI-compliant connector,
providing power to the central processing unit voltage
regulators.
Pin
Signal Name
1
GND (black)
3
GND (black)
5
+12 Vdc (yellow/
black)
7
+12 Vdc (yellow/
black)
2
J9D1 I
C monitoring power connector
A 5-pin connector is an SSI-compliant connector,
2
providing power to the I
C monitoring circuitry.
Pin
Signal Name
1
SMB_CLK_ESB_FP_PWR_R (orange)
2
SMB_DAT_ESB_FP_PWR_R (black)
3
SMB_ALRT_3_ESB_R (red)
4
3.3 V SENSE- (yellow)
5
3.3 V SENSE+ (green)
J9D1 12V power connector
A 4-pin connector is an SSI-compliant connector,
providing power to the server board.
Pin
Signal Name
2
+3.3 Vdc (orange)
4
+5 Vdc (red)
6
+5 Vdc (red)
8
PWR_OK (grey)
10
+12 Vdc (yellow)
12
+3.3 Vdc (orange)
14
-12 Vdc (blue)
16
PS_ON# (green)
18
GND (black)
20
RSVD_(-5 V) (white)
22
+5 Vdc (red)
24
GND (black)
Pin
Signal Name
2
GND (black)
4
GND (black)
6
+12 Vdc (yellow/
black)
8
+12 Vdc (yellow/
black)
Pin
Signal Name
1
GND (black)
2
GND (black)
3
+12 Vdc (yellow/black)
4
+12 Vdc (yellow/black)
Indicators
The Motherboard provides various indicators for
monitoring the server functions.
Item
Description
A
Bit 3 POST Diagnostic LED (amber/green/red).
See "POST Diagnostic LEDs" on page 30.
B
LSB POST Diagnostic LED (amber/green/red).
See "POST Diagnostic LEDs" on page 30.
C
Bit 2 POST Diagnostic LED (amber/green/red).
See "POST Diagnostic LEDs" on page 30.
D
MSB POST Diagnostic LED (amber/green/red).
See "POST Diagnostic LEDs" on page 30.
E
Status LED (green/amber). See "Status LED"
on page 30.
F
ID LED. This LED is not used.
G
System fan 6 fault LED (not used)
H
System fan 5 fault LED (not used)
I
DIMM A1 fault LED (amber). Normally off.
J
DIMM A2 fault LED (amber). Normally off.
K
DIMM B1 fault LED (amber). Normally off.
L
DIMM B2 fault LED (amber). Normally off.
M
DIMM C1 fault LED (amber). Normally off.
29
Internal parts
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