Intel® SRMK2 Internet Server Technical Product Specification
18
2.2.1.5
Power Supply Wiring Requirements
The wiring length and the desired wire color-coding are specified in Figure 8.
P2
3.5" ±0.25"
(87.5mm ±6mm)
Main board 2
Conn.
Main
Board
Only one wire tie
at exit of supply
this bundle.
Mini wire ties at
one inch spacing
length of bundle.
Wire exit hole in
power
supply.
0.25"
Max
Bundle A
Bundle B
3.5" (87.5mm)
Edge of supply to center of connector on
PCB.
Wire lengths should vary to
ensure no loops or slack wire.
pin 1
pin 13
P3
P4
SCSI Backplane
Connector
7.75" ±0.25"
(196mm ±6mm)
Bundle C
Figure 8
:
DC output wire harness
Table 4: Baseboard Power Connector (P2)
Pin
Signal
Name
20 AWG
Wire
Pin
Signal
Name
20 AWG
Wire
1
Ground
Black
13
VRM Input
Red
2
Ground
Black
14
VRM Input
Red
3
Ground
Black
15
VRM Input
Red
4
Ground
Black
16
VRM Input
Red
5
+3.3V
Orange
17
Ground
Black
6
+3.3V
Orange
18
Ground
Black
7
+3.3V
Orange
19
Ground
Black
8
+3.3V
Orange
20
Ground
Black
9
Ground
Black
21
+5V
Red
10
Ground
Black
22
+5V
Red
11
+5VSB
Purple
23
Ground
Black
12
Ground
Black
24
+12V
Yellow