Siemens PC 670 用户手册
Hardware Information
Release 04/02
7-30
Panel PC 670 Computing Unit, Equipment Manual
Connection of an LS240 drive
The optional LS240 drive is connected via this port. This port is connected in
parallel to 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.
parallel to 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.
No.
Short Name
Meaning
Input/
Output
Output
1
Reserved
Reserved
-
2
Reserved
Reserved
-
3
reserved
Reserved
-
4
GND
Chassis ground
-
5
RESET
Reset
Input/Output
6
D8
Data signal D8
Input/Output
7
D7
Data signal D7
Input/Output
8
D9
Data signal D9
Input/Output
9
D6
Data signal D6
Input/Output
10
D10
Data signal D10
Input/Output
11
D5
Data signal D5
Input/Output
12
D11
Data signal D11
Input/Output
13
D4
Data signal D4
Input/Output
14
D12
Data signal D12
Input/Output
15
D3
Data signal D3
Input/Output
16
D13
Data signal D13
Input/Output
17
D2
Data signal D2
Input/Output
18
D14
Data signal D14
Input/Output
19
D1
Data signal D1
Input/Output
20
D15
Data signal D15
Input/Output
21
D0
Data signal D0
Input/Output
22
DREQ
DMA request
Input
23
GND
Chassis ground
-
24
IOR_N
Read signal
Output
25
IOW_N
Write signal
Output
26
GND
Chassis ground
-
27
IORDY
Ready signal
Input
28
DACK_N
DMA confirmation
Output
29
irq15
Interrupt signal
Input
30
AD_1
Address line 1
Output
31
AD_0
Address line 0
Output
32
AD_2
Address line 2
Output
33
CS_N
Selection signal
Output
34
HDACT_N
Activity
Input
35
CS1_N
Selection signal 1
36
CSEL
Selection signal
37
GND
Chassis ground
-
38
P5V
+5V power supply
Output
39
P5V
+5V power supply
Output
40
P5V
+5V power supply
Output
41
P5V
+5V power supply
Output