Intel D925XBC, D925XCV specifications Add-in Card Connectors

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

1

3

Signal Name

Ground

+12 V

Pin

2

4

Signal Name

Ground

+12 V

Table 31. Alternate Power Connector

Pin

1

2

3

4

Signal Name

+12 V

Ground

Ground

+5 V

2.8.2.2Add-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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