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# PHILIPS CONSUMER ELECTRONICS, CO.
CM250MS HOST ADAPTER (CM225MS DRIVE)
Card Type CD-ROM adapter card
Chip Set Unidentified
Maximum Onboard Memory Unidentified
Data Bus 8-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label |
|-------------------------------+----------------------------|
| Drive interface via DB-15 | CN1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured – do not | W1 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | W2 | W3 |
|------------------+--------------------+--------------------|
| | 300h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 310h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 330h | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| » | 340h | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | W6 | W7 | W8 | W9 |
|-----------+------------+-----------+-----------+-----------|
| » | 3 | Closed | Open | Open | Open |
|---+-------+------------+-----------+-----------+-----------|
| | 4 | Open | Closed | Open | Open |
|---+-------+------------+-----------+-----------+-----------|
| | 5 | Open | Open | Closed | Open |
|---+-------+------------+-----------+-----------+-----------|
| | 6 | Open | Open | Open | Closed |
+------------------------------------------------------------+