Intel BLKDX58OG Product Specification - Page 49

Table 20., Main Power Connector, Table 21., Auxiliary PCI Express Graphics Power Connector

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Technical Reference Table 20. Main Power Connector Pin Signal Name 1 +3.3 V 2 +3.3 V 3 Ground Pin Signal Name 13 +3.3 V 14 -12 V 15 Ground 4 +5 V 5 Ground 6 +5 V 7 Ground 16 PS-ON# (power supply remote on/off) 17 Ground 18 Ground 19 Ground 8 PWRGD (Power Good) 9 +5 V (Standby) 10 +12 V 11 +12 V (Note) 12 2 x 12 connector detect (Note) 20 No connect 21 +5 V 22 +5 V 23 +5 V (Note) 24 Ground (Note) Note: When using a 2 x 10 power supply cable, this pin will be unconnected. Table 21. Auxiliary PCI Express Graphics Power Connector Pin Signal Name 1 +12 V 2 1 x 4 connector detect 3 Ground 4 +5 V For information about Power supply considerations Refer to Section 2.5.1 on page 56 49

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Technical Reference
49
Table 20.
Main Power Connector
Pin
Signal Name
Pin
Signal Name
1
+3.3 V
13
+3.3 V
2
+3.3 V
14
-12 V
3
Ground
15
Ground
4
+5 V
16
PS-ON# (power supply remote on/off)
5
Ground
17
Ground
6
+5 V
18
Ground
7
Ground
19
Ground
8
PWRGD (Power Good)
20
No connect
9
+5 V (Standby)
21
+5 V
10
+12 V
22
+5 V
11
+12 V
(Note)
23
+5 V
(Note)
12
2 x 12 connector detect
(Note)
24
Ground
(Note)
Note:
When using a 2 x 10 power supply cable, this pin will be unconnected.
Table 21.
Auxiliary PCI Express Graphics Power Connector
Pin
Signal Name
1
+12 V
2
1 x 4 connector detect
3
Ground
4
+5 V
For information about
Refer to
Power supply considerations
Section 2.5.1 on page 56