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Available at ZX Spectrum +3.
Pinout
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34
.-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-.
|^^^^^^^^|^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^|
|________|____________________________________________________________|
`-' `-' `-' `-' `-' `-' `-' `-' `-' `-' `-' `-' `-' `-' `-' `-' `-'
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33
(viewed from rear)
| Pin |
Function
|
| 1 |
Ready
|
| 2 |
GND
|
| 3 |
SIDE 1 SELECT
|
| 4 |
GND
|
| 5 |
READ DATA
|
| 6 |
D4
|
| 7 |
WRITE PROTECT
|
| 8 |
GND
|
| 9 |
TRACK 0
|
| 10 |
GND
|
| 11 |
WRITE GATE
|
| 12 |
GND
|
| 13 |
WRITE DATA
|
| 14 |
GND
|
| 15 |
STEP
|
| 16 |
GND
|
| 17 |
DIRECTIONSELECT
|
| 18 |
GND
|
| 19 |
MOTOR ON
|
| 20 |
GND
|
| 21 |
not used
|
| 22 |
GND
|
| 23 |
DRIVE SELECT 1
|
| 24 |
GND
|
| 25 |
not used
|
| 26 |
GND
|
| 27 |
INDEX
|
| 28 |
GND
|
| 29 |
not used
|
| 30 |
GND
|
| 31 |
not used
|
| 32 |
GND
|
| 33 |
not used
|
| 34 |
GND
|
Amstrad Compatibility
The AMSTRAD model FD-1 may be added to the +3 system as an additional
disk drive. To connect the FD-1 to the +3, you will require the AMSOFT
DL-2 disk interconnecting lead. Connect the end of the lead which is
fitted with the larger edge-connector plug, into the socket marked
DISK B: at the back of the +3. Connect the other end of the lead which
is fitted with a smaller plug, into the socket at the back of the FD-1 disk drive.
Contributors
Source