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WRITE MODE
I nterrupt Request 2
--
...
Write
Bus Out ,.
Buffer
~
r
"
Write
Sense
,.
Generator
Bus In
1 ms
"
,.
Disket~
Oscillator
I
--
A
(4
MHz)
Write
rr
Serializer
4ms
~
•
...
Write
~
,.
Counters
r
Serdes
(8 bits)
and
(2 bytes)
Control
CRC
Bus!n
Generator
Write CRC
~
Diskette ,.
B
~
Write AM
I nterrupt Request 2
--..
Command
Start Write
.'
Bus Out ,.
Decode
Reset
Write
Write Gate
..
Control
,.
C
Erase
_ l'
I-
"
~
Erase
Erase
"
Erase
Erase Gate"
Counter
..
D
Control
. .
(544
ms)
Drop Erase Gate
A
B
Diskette
Read/
. .
Parity
Control
Write
Bus Out ,..
Check
Card
Heads
I - -
C
D
Machine Check
--
3-34
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