| Your
PORT |
OUR
PORT |
NOTES |
| Pin 1 (GRND) |
Pin 1 (GRND) |
|
| Pin 2 (Rx) |
Pin 3 (Tx) |
|
| Pin 3 (Tx) |
|
|
| Bits 1 - 0 |
00 |
Primary Channel OK |
| |
01 |
Primary Channel not in
use (no drives) |
| |
10 |
Reserved |
| |
11 |
Primary Channel marked
as bad |
| Bits 3 - 2 |
00 |
Mirrored Channel is OK |
| |
01 |
Mirrored Channel not in
use (no drives) |
| |
10 |
Reserved |
| |
11 |
Mirror Channel is marked
as bad |
| Bit 4 *** |
0 |
Master drive data IS NOT
identical |
| |
1 |
Master drive data IS identical |
| Bit 5 |
0 |
Beeper is OFF |
| |
1 |
Beeper is ON |
| Bit 6 |
0 |
Controller is running
in SINGLE mode |
| |
1 |
Controller is running
in MIRROR mode |
| Bit 7 |
0 |
Current active Channel
for reads is the PRIMARY |
| |
1 |
Current active Channel
for reads is the MIRROR |
| mov dx,h320 |
Port 320 |
|
| |
|
|
| n al, dx |
Read the data from the
port |
|
