Compaq W4000 manual Scsi Connectors, External 50-PIN Ultra Scsi Connector, Table G-3

Appendix G Compaq/Adaptec 29160N SCSI Host Adapter

G.5 SCSI CONNECTORS

This SCSI card provides two internal header-type connectors (one 50-pin, one 68-pin) and one external D-type connector (50-pin).

G.5.1 EXTERNAL 50-PIN ULTRA SCSI CONNECTOR

The card provides one external 50-pin D-type Ultra SCSI connector. External cabling should meet T-10 SPI-2 standards (50-conductor, round shielded).

Pin 1

Figure G–3.External Ultra SCSI Connector (50-pin)

Table G–3.External 50-Pin Ultra SCSI Connector Pinout

Table G-3.

External Ultra SCSI Connector Pinout

Pin	Signal	Function	Pin	Signal	Function
1	GND	Ground	26	DB0-	Data Bit 0
2	GND	Ground	27	DB1-	Data Bit 1
3	GND	Ground	28	DB2-	Data Bit 2
4	GND	Ground	29	DB3-	Data Bit 3
5	GND	Ground	30	DB4-	Data Bit 4
6	GND	Ground	31	DB5-	Data Bit 5
7	GND	Ground	32	DB6-	Data Bit 6
8	GND	Ground	33	DB7-	Data Bit 7
9	GND	Ground	34	DBP	Data Bus Pulse
10	GND	Ground	35	GND	Ground
11	GND	Ground	36	GND	Ground
12	GND	Ground	37	GND	Ground
13	RSVD	Reserved	38	TERMPWR	Termination Power
14	GND	Ground	39	GND	Ground
15	GND	Ground	40	GND	Ground
16	GND	Ground	41	ATN-	Attention
17	GND	Ground	42	GND	Ground
18	GND	Ground	43	BSY-	Busy
19	GND	Ground	44	ACK-	Acknowledge
20	GND	Ground	45	SBRST-	Burst
21	GND	Ground	46	MSG-	Message Activity
22	GND	Ground	47	SEL-	Select
23	GND	Ground	48	C-/D	Control/Data Transfer Indicator
24	GND	Ground	49	REQ-	Request
25	GND	Ground	50	I-/O	Input/Output Indicator

G-4Compaq Personal Computers

Original - December 2000