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# NCL AMERICA
NCL 300R
Card Type Hard drive controller card
Hard Drives Up to 7 SCSI devices
supported
Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives
supported
Data Bus 16-bit ISA
Card Size Half-length, full-height card
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location | Function | Location |
|---------------------+----------+----------------+----------|
| 50-pin SCSI | J2 | floppy drive | J4 |
| connector - | | connector | |
| internal | | | |
|---------------------+----------+----------------+----------|
| 50-pin SCSI | J3 | LED connector | J5 |
| connector - | | | |
| external | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------------+-------+----------|
| » | Host adapter I/O address 330h-33Fh | JP3/A | Open |
|---+-------------------------------------+-------+----------|
| | Host adapter I/O address 230h-23Fh | JP3/A | Closed |
|---+-------------------------------------+-------+----------|
| » | FDISK enable (drive2) | JP4/A | Open |
|---+-------------------------------------+-------+----------|
| | Use ZDRV.SYS device driver (drive | JP4/A | Closed |
| | 2) | | |
|---+-------------------------------------+-------+----------|
| » | DMA channel 07 | JP4/B | Open |
|---+-------------------------------------+-------+----------|
| | DMA channel 06 | JP4/B | Closed |
|---+-------------------------------------+-------+----------|
| » | Burst transfer (DMA) | JP4/C | Open |
|---+-------------------------------------+-------+----------|
| | Single transfer | JP4/C | Closed |
|---+-------------------------------------+-------+----------|
| » | IRQ 15 | JP4/D | Open |
|---+-------------------------------------+-------+----------|
| | IRQ 14 | JP4/D | Closed |
|---+-------------------------------------+-------+----------|
| » | 17 sectors per track | JP4/E | Open |
|---+-------------------------------------+-------+----------|
| | 32 sectors per track | JP4/E | Closed |
|---+-------------------------------------+-------+----------|
| » | ISA compatible timing | JP4/F | Open |
|---+-------------------------------------+-------+----------|
| | EISA compatible timing | JP4/F | Closed |
|---+-------------------------------------+-------+----------|
| » | Factory configured - do not alter | JP4/G | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HOST ADAPTER MEMORY ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | JP3/B | JP3/C |
|------------------------+-----------------+-----------------|
| | C8000h | Open | Open |
|------+-----------------+-----------------+-----------------|
| | CC000h | Closed | Open |
|------+-----------------+-----------------+-----------------|
| | D8000h | Open | Closed |
|------+-----------------+-----------------+-----------------|
| » | DC000h | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOPPY DRIVE INTERFACE SETTINGS |
|------------------------------------------------------------|
| Setting | JP1 | JP2/A | JP2/B | JP2/C |
|----------------+----------+----------+----------+----------|
| » | Enabled | Open | Open | Open | Open |
|---+------------+----------+----------+----------+----------|
| | Disabled | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+