The Option Block; Physical Characteristics; Pin Designation; Figure 5-1. Option Block And Led Pin Designation - Western Digital WDE4360 Technical Reference Manual

The Option Block

5. T O
HE PTION
The WD Enterprise drive PCBA contains an option block that controls the drive's operation.
This block is equipped with jumper pins that correspond to various options controlled by SCSI
commands. Jumpers are used to enable or disable the options and modify the drive configuration.
The user-configurable jumpers appear in Table 5-1.
Note: Jumpers should only be changed when the drive is powered down.
5.1.

Physical Characteristics

The block consists of a 2-pin by 17-pin male header. Pin-to-pin spacing is 2 mm by 2
mm.
5.2.

Pin Designation

The pin layout appears below. The diagram represents the view as seen by the customer.
28
B
LOCK

Figure 5-1. Option Block and LED Pin Designation

ANODE 2
CATHODE 1
RELEASED 04-08-97
WD Enterprise WDE2170/WDE4360
4079-001045 Rev. B