Technical Data – 74
J6: Floppy Drives
Pin #
Function
Pin #
Function
1
NC
2
DSEL
3
NC
4
NC
5
NC
6
DRATE
7
+5V or Gnd
8
INDEX*
9
+5V or Gnd
10
MTR2 ON*
11
+5V or Gnd
12
DS1*
13
Gnd
14
DS2*
15
Gnd
16
MTR1 ON*
17
Gnd
18
DIR IN*
19
Gnd
20
STEP*
21
Gnd
22
WR DATA*
23
Gnd
24
WR GATE*
25
Gnd
26
TRK 00*
27
Gnd
28
WRITE PROTECT*
29
Gnd
30
RD DATA*
31
Gnd
32
SIDE 1*
33
Gnd
34
DISK CHANGE
* = active low
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Содержание 4010
Страница 20: ...Overview 10 This page intentionally left blank S t o c k C h e c k c o m ...
Страница 52: ...Watchdog Timer 42 This page intentionally left blank S t o c k C h e c k c o m ...
Страница 56: ...Serial EEPROM 46 This page intentionally left blank S t o c k C h e c k c o m ...
Страница 68: ...PC 104 58 This page intentionally left blank S t o c k C h e c k c o m ...
Страница 76: ...Troubleshooting 66 This page intentionally left blank S t o c k C h e c k c o m ...