Распиновка, расположение выводов и внешний вид устройства хранения данных:
MSX External Diskdrive
(at the Computer)
25 PIN D-SUB FEMALE at the Computer.
Pin
Name
Dir
Description
1
+12V
+12 VDC
2
+5V
+5 VDC
3
+5V
+5 VDC
4
/INDEX
Sector hole passed sensor.
5
/DSEL1
Drive Select 1
6
DIR
Direction (0=In, 1=Dir)
7
/STEP
Moves head 1 step in DIR direction.
8
WRITEDATA
Write Data
9
/WRITEGATE
Write Gate
10
/TRACK00
Head is over Track 00 (outermost track)
11
/WRITEPROTECT
Write protected disk (0=Write protected)
12
READDATA
Data read from diskette.
13
/SIDESELECT
Side Select (0=Side 1, 1=Side 0)
14
+12V
+12 VDC
15
+12V
+12 VDC
16
+5V
+5 VDC
17
/DSEL1
Select Drive 0
18
/MOTOR
Motor On
19
READY
Ready
20
GND
Ground
21
GND
Ground
22
GND
Ground
23
GND
Ground
24
GND
Ground
25
GND
Ground
Note: Direction is Computer relative Diskdrive.
Contributor:
Joakim Цgren
Source:
Mayer’s SV738 X’press I/O map
Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10