Siemens PC 670 User Manual
Page 159
Hardware Information
Release 04/02
7-27
Panel PC 670 Computing Unit, Equipment Manual
Interface to floppy disk drive
By means of this interface a notebook floppy disk drive may be connected. The
maximum connection length of the data cable may not exceed 40cm.
Pin
No.
Short Name
Meaning
Input/
Output
1
P5V
+5V
Output
2
INDEX_N
Index hole recognition
Input
3
P5V
+5V
Output
4
DS_N0
Drive 0 selection
Output
5
P5V
+5V
Output
6
DCHG_N
Disk change display
Input
7
n.c.
Not assigned
-
8
n.c.
Not assigned
-
9
Reserved
Reserved
-
10
MOT_N0
Activate motor 0
Output
11
Reserved
Reserved
-
12
DIR_SL_N
Step motor direction
Output
13
n.c.
Not assigned
-
14
STEP_N
Step motor pulse
15
GND
Chassis ground
-
16
WR_DAT_N
Write data signal
Output
17
GND
Chassis ground
-
18
WR_GAT_N
Enable data signal
Output
19
Reserved
Reserved
-
20
TRACK_N0
Track 0 signal
Input
21
Reserved
Reserved
-
22
WR_PRT_N
Write protection signal
Input
23
GND
Chassis ground
-
24
RD_DAT_N
Read Data signal
Input
25
GND
Chassis ground
-
26
SIDE_1_N
Page selection
Output