Intel SDS2 manual IDE Connector, Universal Serial Bus USB Connectors, IDE 40-pin Connector Pin-out

Connections				Intel® Server Board SDS2
	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

8.6.4IDE 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

8.6.5Universal 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

82	Revision 1.2
Order Number:	A85874-002