Quantum 10K II - Manual (Page 43)

Installation
3 − 16 Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives
3.5 CONNECTOR PINOUTS AND WIRING DIAGRAMS
Atlas 10K II Ultra 160/m SCSI disk drive interfaces include a 16-bit wide SCSI
version and a SCA-2 connector version. Connector pinout information for the drive
and signal connection diagrams are found in this section.
3.5.1 Atlas 10K II Ultra 160/m SCSI Disk Drive with 68-Pin SCSI Connector
Figure 3-7 shows the locations of the Power, SCSI, Option, and Secondary Option
Connectors on the68-pin SCSI connector version of the drive. Figure 3-7 also
provides the locations and names of the signals connected to the pins at the Option
and Secondary Option Connectors on the drive. Table 3-5 provides signal names/pin
locations for the 68-pin wide SCSI connector.
Figure 3-7 Connectors on 68-Pin SCSI Connector Versions of Atlas 10K II Ultra 160/m Hard
Disk Drives
1 12 1
Power Connector Option Connector
SCSI Connector
Secondary Option Connector
Option Connector Signals
Pin - Signal Pin - Signal
1 - SCSI ID, bit 0 2 - Fault LED
3 - SCSI ID, bit 1 4 - GND
5 - SCSI ID, bit 2 6 - GND
7 - SCSI ID, bit 3 8 - Busy LED
9 - Reserved 10 - GND
11 - +5 V 12 - No Connect
Secondary Option Connector Signals
Pin - Signal Pin - Signal
1 - GND 2 - SCSI ID, bit 3
3 - GND 4 - SCSI ID, bit 2
5 - GND 6 - SCSI ID, bit 1
7 - GND 8 - SCSI ID, bit 0
9 - Fault LED 10 - key
11 - GND 12 - Spin Delay
13 - GND 14 - DiffSense
15 - No Connect 16 - No Connect
17 - +5V 18 - Busy LED
19 - GND 20 - Write Protect
21 - GND 22 - Stagger Spin
23 - GND 24 - Enable Narrow
25 - GND 26 - Customize
27 - TermPwr 28 - TermPwr
Pin 28
HDA
Pin 1
1 34
68 35