Siemens Simatic 620 Owner's Manual page 161

Connection for LS240 Drive
The optional LS240 drive is connected via this port. This port is connected in
parallel with the secondary IDE port. The connected LS240 drive is automatically
master (i.e. bootable drive) as the result of a special RC circuit. The maximum
connection length of the data cable may not exceed 40cm.
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
SIMATIC Box PC 620 Manual
A5E00131465-01
X31 Meaning
RESET Reset
GND
D8 Data signal D8
D7 Data signal D7
D9 Data signal D9
D6 Data signal D6
D10 Data signal D10
D5 Data signal D5
D11 Data signal D11
D4 Data signal D4
D12 Data signal D12
D3 Data signal D3
D13 Data signal D13
D2 Data signal D2
D14 Data signal D14
D1 Data signal D1
D15 Data signal D15
D0 Data signal D0
GND
DREQ DMA Request
GND
IOW_N IO Write
GND
IOR_N I/O Read
GND
IORDY I/O Ready
Reserved
DACK_N DMA Acknowledge
TBD
GND
Reserved reserved
IOCS16 I/O Chip Select 16
AD_2 Address 2
AD_1 Address 1
CS3_N Chip Select 3
AD_0 Address 0
HDACT_N HD active
CS1_N Chip Select 1
TBD
P5V +5V power supply
P5V +5V power supply
Hardware Information
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