ZiLOG System 8000 Hardware Reference Manual page 69

HRM
Zilog"
HRM
(1) To place the rotary-arm shipping lock in either the
OPERATE or SHIP position, the use of a head lock/unlock
tool for FINCH Disk Drives is required (part number
31-0092-00) .
(2) To unlock the read/write heads (OPERATE position):
a. Turn off AC power.
b. Using the crooked end of the head lock/unlock
tool, hook anrl disengage the rotary-arm shipping
lock. Pull towards the front of the drive until it
locks into the OPERATE position.
(3) To lock the read/write heads (SHIP position):
a. Turn off AC power.
b •
Using the flat end of the lock/unlock tool,
and disengage the rotary-arm shipping lock.
towards
thE~
rear of the drive until it locks
the SHIP position.
lift
Push
into
(4) After the rotary-arm shipping lock is placed in the
OPERATE position, turn on AC powet.
(5) Run data
non~destructive
SADIE diagnostics to ensure
the operability of" the disk drive.
3.5.
SMD Winchester Dri~e Configurations
When the 84 MB SMD i~) installed in the system, the Mode
Select Switch (SW1) is set according to system requirements.
This switch is located on the CNAM PCB assembly (Figure
3-
10) •
3.5.1.
SHD Disk Addressing: The Disk Logical Unit Number 0
to
7
is selected by SW1 to the desired disk address by the
three key switches of SW1 (1, 2,and
3)
by using the binary
code shown in Table 3-1.
*
HOTE: Dip switches SW2 and SW3 are set at the factory
and should not be altered by customer.
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Zilog
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