Installation | 13 |
|
|
I/O Connector J2
The I/O connector (J2) pin assignments are as follows:
Table 2: AT/IDE Interface Signals
Pin | Signal | I/O | Pin | Signal | I/O |
01 | Host Reset- | O | 02 | Ground |
|
03 | Host Data 7 | I/O | 04 | Host Data 8 | I/O |
05 | Host Data 6 | I/O | 06 | Host Data 9 | I/O |
07 | Host Data 5 | I/O | 08 | Host Data 10 | I/O |
09 | Host Data 4 | I/O | 10 | Host Data 11 | I/O |
11 | Host Data 3 | I/O | 12 | Host Data 12 | I/O |
13 | Host Data 2 | I/O | 14 | Host Data 13 | I/O |
15 | Host Data 1 | I/O | 16 | Host Data 14 | I/O |
17 | Host Data 0 | I/O | 18 | Host Data 15 | I/O |
19 | Ground |
| 20 | Key | No Pin |
21 | DMARQ | O | 22 | Ground |
|
23 | DIOW- | O | 24 | Ground |
|
25 | DIOR- | O | 26 | Ground |
|
27 | Reserved |
| 28 | Reserved |
|
29 | Reserved |
| 30 | Ground |
|
31 | IRQ 14 | I | 32 | Host | I |
33 | Host ADDR 1 | O | 34 | PDIAG- (16) | Notes |
35 | Host ADDR 0 | O | 36 | Host ADDR 2 | O |
37 | Host CS0- | O | 38 | Host CS1- | O |
39 | DASP- | Notes | 40 | Ground |
|
|
|
|
|
|
|
- Indicates an
Signal direction is with respect to the host. "I" indicates To the host
"O" indicates From the host
The /PDIAG and /DASP signals are used for communication between master, slave, and the host.
StorCase Technology, Inc. |