User manual

Connections Intel® Server Board SDS2

Revision 1.2

Order Number: A85874-002

1 TXDP 7 RXDP

2 TXDM 8 RXDM

3 N/C 9 Activity LED Cathode

4 N/C 10 Link LED Anode

5 N/C 11 Speed LED Anode

6 N/C 12 3VSB

8.6.4 IDE Connector

There is one IDE channel on the Server Board through the use of a 40-pin connector. The

connector pin-out is detailed in the table below. Note IDE LED hard disk drive activity (Pin 39)

signal is not routed to the front panel connector. IDE hard disk activity will not cause the front

panel LED’s to turn on.

Table 66. IDE 40-pin Connector Pin-out

Pin Signal Name Pin Signal Name

1 RESET_L 2 GND

3 DD7 4 IDE_DD8

5 DD6 6 IDE_DD9

7 DD5 8 IDE_DD10

9 DD4 10 IDE_DD11

11 DD3 12 IDE_DD12

13 DD2 14 IDE_DD13

15 DD1 16 IDE_DD14

17 DD0 18 IDE_DD15

19 GND 20 KEY

21 IDE_DMARQ_L 22 GND

23 IDE_IOW_L 24 GND

25 IDE_IOR_L 26 GND

27 IDE_IORDY 28 GND

29 IDE_DMAACK_L 30 GND

31 IRQ_IDE 32 N/C

33 IDE_A1 34 N/C

35 IDE_A0 36 IDE_A2

37 IDE_DCS0_L 38 IDE_DCS1_L

39 IDE_HD_ACT_L 40 GND

8.6.5 Universal Serial Bus (USB) Connectors

The Server Board provides four USB ports: three on the rear I/O and one internally through a 10-

pin header. The following table details the pin-out of the stacked three-port USB connector.

Table 67. Stacked Three-port USB Connector Pin-out