TEXT View Source
# NEC TECHNOLOGIES, INC.
FD850MEX (CDXT003FD)
Card Type Hard drive controller
Hard Drives supported Up to 7 SCSI devices
Floppy drives supported None
Data Bus 8-bit ISA
Card Size Half-length, full-height
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------+-------+-------------+-------|
| 50-pin SCSI connector - | J2 | 25-pin SCSI | P1 |
| internal | | connector - | |
| | | external | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-----------+-------------|
| » | Zero wait state disabled | W5 | Open |
|---+------------------------------+-----------+-------------|
| | Zero wait state enabled | W5 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEMORY ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | W1 | W2 | W3 |
|-------------+---------+---------+--------------------------|
| » | CA000h | Open | Open | Pins 1 & 2, 3 & 4 closed |
|---+---------+---------+---------+--------------------------|
| | C8000h | Closed | Open | Pins 1 & 2, 3 & 4 closed |
|---+---------+---------+---------+--------------------------|
| | CE000h | Open | Closed | Pins 1 & 2, 3 & 4 closed |
|---+---------+---------+---------+--------------------------|
| | DE000h | Closed | Closed | Pins 1 & 2, 3 & 4 closed |
|---+---------+---------+---------+--------------------------|
| | E8000h | Open | Open | Pins 1 & 3, 2 & 4 closed |
|---+---------+---------+---------+--------------------------|
| | EC000h | Open | Closed | Pins 1 & 3, 2 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| Setting | W6(pins 1 & 2) | W7(pins 2 & 3) |
|------------------+--------------------+--------------------|
| IRQ3 | Closed | Open |
|------------------+--------------------+--------------------|
| IRQ5 | Open | Closed |
+------------------------------------------------------------+