2 add-in card connectors – Intel DESKTOP BOARD D925XCV User Manual
Page 75
Technical Reference
Table 29. 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
23 +5
V
12
2x12 connector detect
24
Ground
Table 30. ATX12V Power Connector
Pin Signal
Name
Pin Signal
Name
1 Ground
2 Ground
3 +12
V
4 +12
V
Table 31. Alternate Power Connector
Pin Signal
Name
1 +12
V
2 Ground
3 Ground
4 +5
V
2.8.2.2 Add-in Card Connectors
The board has the following add-in card connectors:
• PCI Express x16: one connector supporting simultaneous transfer speeds up to 8 GBytes/sec
• PCI Express x1: the D925XCV board has two PCI Express x1 connectors; the D925XBC
board has one PCI Express x1 connector. The x1 interfaces support simultaneous transfer
speeds up to 500 MBytes/sec.
• PCI Conventional (rev 2.2 compliant) bus: the D925XCV board has four PCI Conventional
bus add-in card connectors; the D925XBC board has two PCI Conventional add-in card
connectors. The SMBus is routed to PCI Conventional bus connector 2 only (ATX expansion
slot 6). PCI Conventional bus add-in cards with SMBus support can access sensor data and
other information residing on the Desktop Board.
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