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Hardware Information
Connection for LS120 Drive (X31)
The optional LS120 drive is connected via this port. This port is connected in
parallel with the secondary IDE port. The connected LS120 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
8-36
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
SIMATIC Box PC 620 Manual
C79000-G7076-C639-04

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