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-. .
-----------------------SECTOR1*THRUM(M=120R24)--------------------~
. .
~
SECTOR
SECTOR
MARK
MARK
t
GAP'
SW1
SW2
GAP3
I
BYTE 1
BYTE 2
BYTE 3
BYTE 4
WORD1
WORD2
*
SECTOR 1 SPECIFIED BY PRECEDING
INDEX MARK
Figure 4-4. Basic Track Fonnat
CONFIGURATION WORD A
TABLE 4-3. COMMAND REPERTOIRE
15
Function
Type
Command
Code
CYLINDER NUMBER
Output
09 (HEX)
IOLD (Output Address and Range)
CONFIGURATION B
OF
Output Offset Range
o
6 7
8
15
01
Output Control
RSU
I
TRACK
SECTOR
03
Output Interrupt Control
11
Output Configuration Word A
13
Output Configuration Word B
Figure 4-5. Configuration Words A and B
07
Task Word
by one after each data field sector during update
Input
OC
Input Range
read or write operations and will point numeri
OE
Input Offset Range
cally to the next sector after completion of the
02
Input Interrupt Control
operation. Bit 7 of Configuration Word B speci
10
Input Configuration Word A
fies the upper or lower surface of the selected
12
Input Configuration Word
B
platter. Bits 0-3,5, and 6 of Configuration Words
18
Input Status
A and B respectively are Reserved for Software
Use (RSU).
06
Task Word
Cartridge disk drive operation is implemented
26
1
Input Device - Identification
by two sets of instructions; the input and the
Code
output commands (see Table 4-3). A discussion of
CDU9101 - 2330
these commands
will
be found in the Series 60
1Por the Cartridge Dick Unit, CDU9102 - 2331
(Level 6) Minicomputer Handbook, Order No.
the device number is:
CDU9103 - 2332
AS22.
CDU9104 - 2333
CARTRIDGE DISK UNITS
4-4
AT04
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