Internal 50-Pin Ultra Scsi Connector; Table G-4. Internal 50-Pinu - Compaq Evo D500 Technical Reference Manual

G.5.2 INTERNAL 50-PIN ULTRA SCSI CONNECTOR
The card provides one internal 50-pin header-type Ultra SCSI connector. Internal cabling to this
connector should consists of an unshielded connector with a 50-conductor flat cable as specified
in ANSI standard X3T9.2/375R.
Figure G–4. Internal 50-Pin Ultra SCSI Connector
Table G–4. Internal 50-Pin Ultra SCSI Connector Pinout
Pin Signal
1 GND
3 GND
5 GND
7 GND
9 GND
11 GND
13 GND
15 GND
17 GND
19 GND
21 GND
23 Open
25 Open
27 Open
29 GND
31 GND
33 GND
35 GND
37 GND
39 GND
41 GND
43 GND
45 GND
47 GND
49 GND
Pin 49
Pin 50
Table G-4.
Internal 50-Pin Ultra SCSI Connector Pinout
Function Pin
Ground 2
Ground 4
Ground 6
Ground 8
Ground 10
Ground 12
Ground 14
Ground 16
Ground 18
Ground 20
Ground 22
Open 24
Open 26
Open 28
Ground 30
Ground 32
Ground 34
Ground 36
Ground 38
Ground 40
Ground 42
Ground 44
Ground 46
Ground 48
Ground 50
Original - December 2000
Technical Reference Guide
Pin 1
Pin 2
Signal Function
DB0- Data Bit 0
DB1- Data Bit 1
DB2- Data Bit 2
DB3- Data Bit 3
DB4- Data Bit 4
DB5- Data Bit 5
DB6- Data Bit 6
DB7- Data Bit 7
DBP Data Bus Pulse
GND Ground
CS Cable Sense
Open Open
TERMPWR Termination Power
Open Open
GND Ground
ATN- Attention
GND Ground
BSY- Busy
ACK- Acknowledge
SBRST- Reset
MSG- Message Activity
SEL- Select
C-/D Control/Data Transfer Indicator
REQ- Request
I-/O Input/Output Indicator
Compaq Personal Computers G-5