Intel SR6850HW4 4.2.6 80-pinSCA2 Hard Disk Drive Connectors, Revision, Cables and Connectors, Intel order number D23151-001, Intel® Server Platform SR6850HW4 TPS

Intel® Server Platform SR6850HW4 TPS				Cables and Connectors
	Connector Pin	Signal Name	Connector Pin	Signal Name
	26	SCSI(A:B)_MSG_P	60	SCSI(A:B)_MSG_N
	27	SCSI(A:B)_SEL_P	61	SCSI(A:B)_SEL_N
	28	SCSI(A:B)_CD_P	62	SCSI(A:B)_CD_N
	29	SCSI(A:B)_REQ_P	63	SCSI(A:B)_REQ_N
	30	SCSI(A:B)_IO_P	64	SCSI(A:B)_IO_N
	31	SCSI(A:B)_DB_P8	65	SCSI(A:B)_DB_N8
	32	SCSI(A:B)_DB_P9	66	SCSI(A:B)_DB_N9
	33	SCSI(A:B)_DB_P10	67	SCSI(A:B)_DB_N10
	34	SCSI(A:B)_DB_P11	68	SCSI(A:B)_DB_N11

4.2.6 80-pin SCA2 Hard Disk Drive Connectors

The Server Platform SR6850HW4 SCSI Backplane Board has ten SCA2 connectors.

80 41

40 1

Figure 19. SCA2 80-Pin SCSI Connector

Table 15. SCA2 Drive Connector Pinout

	Pin	Signal Name	Pin	Signal Name	Pin	Signal Name	Pin	Signal Name
	1	+12V	21	LVD_DB7_N	41	GND	61	LVD_DB7_P
	2	+12V	22	LVD_DB6_N	42	GND	62	LVD_DB6_P
	3	+12V	23	LVD_DB5_N	43	GND	63	LVD_DB5_P
	4	+12V	24	LVD_DB4_N	44	SCSI_MATED	64	LVD_DB4_P
	5	NC	25	LVD_DB3_N	45	NC	65	LVD_DB3_P
	6	NC	26	LVD_DB2_N	46	DIFFSENSE	66	LVD_DB2_P
	7	LVD_DB11_N	27	LVD_DB1_N	47	LVD_DB11_P	67	LVD_DB1_P
	8	LVD_DB10_N	28	LVD_DB0_N	48	LVD_DB10_P	68	LVD_DB0_P
	9	LVD_DB9_N	29	LVD_DBP1_N	49	LVD_DB9_P	69	LVD_DBP1_P
	10	LVD_DB8_N	30	LVD_DB15_N	50	LVD_DB8_P	70	LVD_DB15_P
	11	LVD_IO_N	31	LVD_DB14_N	51	LVD_IO_P	71	LVD_DB14_P
	12	LVD_REQ_N	32	LVD_DB13_N	52	LVD_REQ_P	72	LVD_DB13_P
	13	LVD_CD_N	33	LVD_DB12_N	53	LVD_CD_P	73	LVD_DB12_P
	14	LVD_SEL_N	34	+5V	54	LVD_SEL_P	74	SCSI_MATED
	15	LVD_MSG_N	35	+5V	55	LVD_MSG_P	75	GND
Revision 1.0								41

Intel order number D23151-001