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# NEC TECHNOLOGIES, INC.
CDR-250 IDE INTERFACE CARD
Card Type Hard drive/CD-ROM controller
Hard Drives supported Two IDE/CD-ROM drives
Floppy drives supported None
Data Bus 16-bit ISA
Card Size Half-length, half-height
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------+-------+----------------------+-------|
| Unidentified | CN1 | Audio - CD-ROM IDE | CN3 |
|---------------------+-------+----------------------+-------|
| Unidentified | CN2 | 40-pin IDE interface | J2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | J3 |
|-------------------------------+----------------------------|
| 170h enabled | Closed |
|------------------------------------------------------------|
| Note: Other settings for J3 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | J1/A | J1/B |
|-------------------+--------------------+-------------------|
| IRQ10 | Open | Closed |
|-------------------+--------------------+-------------------|
| IRQ15 | Closed | Open |
+------------------------------------------------------------+