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Appendix G Compaq/Adaptec 29160N SCSI Host Adapter
G.5.3 INTERNAL 68-PIN ULTRA160 SCSI CONNECTOR
The card provides one internal 68-pin Ultra160 SCSI connector. This connection is designed for a
68-conductor unshielded Twist ‘N Flat cable as specified in the T-10 SPI-2 standard.
Pin 1
Pin 68
Pin 34
Pin 35
Figure G–5. Ultra 160 SCSI Connector (68-pin header type)
Table G–5. Ultra160 SCSI Connector Pinout
Table G-5.
Ultra160 SCSI Connector Pinout
Pin Signal Function Pin Signal Function
1 GND Ground 35 DB12 Data Bit 12
2 GND Ground 36 DB13 Data Bit 13
3 GND Ground 37 DB14 Data Bit 14
4 GND Ground 38 DB15 Data Bit 15
5 GND Ground 39 DBP- Data Bus Parity
6 GND Ground 40 DB0- Data Bit 0
7 GND Ground 41 DB1- Data Bit 1
8 GND Ground 42 DB2- Data Bit 2
9 GND Ground 43 DB3- Data Bit 3
10 GND Ground 44 DB4- Data Bit 4
11 GND Ground 45 DB5- Data Bit 5
12 GND Ground 46 DB6- Data Bit 6
13 GND Ground 47 DB7- Data Bit 7
14 GND Ground 48 DBP- Data Bus Parity
15 GND Ground 49 GND Ground
16 GND Ground 50 GND Ground
17 TERMPWR Termination Power 51 TERMPWR Termination Power
18 TERMPWR Termination Power 52 TERMPWR Termination Power
19 GND Ground 53 Int_Out- Interrupt Out
20 GND Ground 54 SBRST- Burst
21 GND Ground 55 ATN- Attention
22 GND Ground 56 GND Ground
23 GND Ground 57 BSY- Busy
24 GND Ground 58 ACK- Acknowledge
25 GND Ground 59 RESET- Reset
26 GND Ground 60 MSG- Message Activity
27 GND Ground 61 SEL- Select
28 GND Ground 62 C-/D Control/Data Transfer Indicator
29 GND Ground 63 REQ- Request
30 GND Ground 64 I-/O Input/Output Indicator
31 GND Ground 65 DB8- Data Bit 8
32 GND Ground 66 DB9- Data Bit 9
33 GND Ground 67 DB10- Data Bit 10
34 GND Ground 68 DB11- Data Bit 11
Compaq Personal Computers
Original - December 2000
G-6