
Hardware Information
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.
X31
Meaning
1 | RESET Reset |
2GND
3D8 Data signal D8
4D7 Data signal D7
5D9 Data signal D9
6D6 Data signal D6
7D10 Data signal D10
8D5 Data signal D5
9D11 Data signal D11
10D4 Data signal D4
11D12 Data signal D12
12D3 Data signal D3
13D13 Data signal D13
14D2 Data signal D2
15D14 Data signal D14
16D1 Data signal D1
17D15 Data signal D15
18D0 Data signal D0
19GND
20 | DREQ | DMA Request |
21 | GND |
|
22 | IOW_N | IO Write |
23 | GND |
|
24 | IOR_N | I/O Read |
25 | GND |
|
26 | IORDY | I/O Ready |
27Reserved
28DACK_N DMA Acknowledge
29TBD
30GND
31Reserved reserved
32 | IOCS16 | I/O Chip Select 16 |
33 | AD_2 | Address 2 |
34 | AD_1 | Address 1 |
35 | CS3_N | Chip Select 3 |
36 | AD_0 | Address 0 |
37HDACT_N HD active
38CS1_N Chip Select 1
39TBD
40 | P5V | +5V power supply |
41 | P5V | +5V power supply |
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