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CONNECTOR PINS
Z
Y
H
(+)
OPEN CABLE DETECT
OCD
14'44
UNIT SELECT TAG
USG
22'52 -
UNIT SELECT 20
USO
23'53 -
·
UNIT SELECT 21
US1
24'54
NOT USED
26'56
NOT USED
27'57 -
TAG 1
TG1
1'31
-
TAG 2
TG2
2'32
-
TAG 3
TG3
3'33
BITO
BTO
4'34 -
BIT 1
BTl
5'35
~
BIT2
BT2
6'36
·
BIT3
BT3
7'37
BIT4
BT4
8'38
-
BIT5
BT5
9'39
DISK
·
02246
BIT6
BT6
10'40
DRIVE
BIT7
BT7
11'41
DISK DRIVE
CONTROLLER
..
UNIT
BIT8
BT8
12'42
BIT9
BT9
13'43
UNIT READY (B16)
ROY
19'49
- ON CYLINDER (B14)
OCY
17'47
- SEEK ERROR (B13)
SKE
16'46
..
INDEX (Bl0)
lOX
18'48
- SECTOR (Bll)
SCT
25'55
AM-FOUND (B16)
AMD
20'50
=
WRITE PROTECT (B 17)
WPT
28'58
FAULT (B12)
FLT
15'45
-TAG 4
TG4
30'60
(BUSY)
(BSY)
21 '51 -
SEQUENCE HOLD
HOLD
59
(SPARE)
(PICK)
29
. .
Figure B .. 3 Cable A Signals
B-8
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