Option Block Pin Assignments; Table 5-1. Option Block Pin Assignments - Western Digital WDE4360 Technical Reference Manual

WD Enterprise WDE2170/WDE4360
5.3.

Option Block Pin Assignments

The option block is used to modify the drive characteristics. The table below shows the
pin numbers that correspond to each option or signal, and provides instruction for
enabling and disabling these features. Refer to the WD Enterprise Installation Guide
(document number 4079-001046) for option definitions.
OPTION/SIGNAL
SCSI IDs
(KEY)/LED-
RESERVED
OPT 1: DISABLE AUTO START
OPT 2: AUTO START DELAY
OPT 3: SCAM
OPT 4: DISABLE UNIT ATTENTION
OPT 5: DISABLE TARGET INITIATED
SYNCHRONOUS/WIDE NEGOTIATION
OPT 6: SCSI TERMINATION
TXD/RXD
TPWR/+5V
LED+/+5V
+12R/+12R
+12V/+12V
Note: Pins 1,3,5,7,11,13,15,17,19,21, and 23 are ground.
4079-001045 Rev. B

Table 5-1. Option Block Pin Assignments

PINS
1 - 8
X - 10
11 - 12
13 - 14
15 - 16
17 - 18
19 - 20
21 - 22
23 - 24
25 - 26
27 - 28
29 - 30
31 - 32
33 - 34
RELEASED 04-08-97
The Option Block
CONFIGURATION NOTES
Set according to Table 5-2.
X - no pin/10 - LED cathode connection
11 - Ground/12 - Reserved
Install jumper to disable auto start.
Install jumper to enable auto start delay.
Install jumper to enable SCAM.
Install jumper to disable unit attention.
Install jumper to disable target initiated
synchronous/wide negotiation.
Install jumper to enable SCSI termination.
Reserved
Install jumper to enable TERMPWR on the
SCSI bus.
29 - LED anode connection/30 - Reserved
Reserved
Reserved
29