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# COMTREE USA
CT1604
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 16-bit ISA
Topology Linear bus
Wiring Type Unshielded twisted pair
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| BASE MEMORY ADDRESS SELECT |
|------------------------------------------------------------|
| Address | JP1/A | JP1/B | JP1/C | JP1/D |
|-----------------------+---------+--------+--------+--------|
| » | BOOT ROM Disabled | Open | N/A | N/A | N/A |
|---+-------------------+---------+--------+--------+--------|
| | C0000h | Closed | Closed | Closed | Closed |
|---+-------------------+---------+--------+--------+--------|
| | C4000h | Closed | Open | Closed | Closed |
|---+-------------------+---------+--------+--------+--------|
| | C8000h | Closed | Closed | Open | Closed |
|---+-------------------+---------+--------+--------+--------|
| | CC000h | Closed | Open | Open | Closed |
|---+-------------------+---------+--------+--------+--------|
| | D0000h | Closed | Closed | Closed | Open |
|---+-------------------+---------+--------+--------+--------|
| | D4000h | Closed | Open | Closed | Open |
|---+-------------------+---------+--------+--------+--------|
| | D8000h | Closed | Closed | Open | Open |
|---+-------------------+---------+--------+--------+--------|
| | DC000h | Closed | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS SELECT |
|------------------------------------------------------------|
| Address | JP2/A | JP2/B |
|---------------------+-------------------+------------------|
| » | 300h | Closed | Closed |
|---+-----------------+-------------------+------------------|
| | 320h | Open | Closed |
|---+-----------------+-------------------+------------------|
| | 340h | Closed | Open |
|---+-----------------+-------------------+------------------|
| | 360h | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYSTEM COMPATIBILITY |
|------------------------------------------------------------|
| Setting | JP3 |
|-----------------------------------+------------------------|
| » | Standard PC/AT compatible | Closed |
|---+-------------------------------+------------------------|
| | PS/2 30-286 or NEAT PC/AT 286 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | JP4/A | JP4/B | JP4/C |JP4/D |JP4/E |JP4/F |JP4/G |
|--------+-------+-------+-------+------+------+------+------|
|»| IRQ3 | Open |Closed | Open | Open | Open | Open | Open |
|-+------+-------+-------+-------+------+------+------+------|
| | IRQ2 |Closed | Open | Open | Open | Open | Open | Open |
|-+------+-------+-------+-------+------+------+------+------|
| | IRQ4 | Open | Open |Closed | Open | Open | Open | Open |
|-+------+-------+-------+-------+------+------+------+------|
| | IRQ5 | Open | Open | Open |Closed| Open | Open | Open |
|-+------+-------+-------+-------+------+------+------+------|
| |IRQ10 | Open | Open | Open | Open |Closed| Open | Open |
|-+------+-------+-------+-------+------+------+------+------|
| |IRQ11 | Open | Open | Open | Open | Open |Closed| Open |
|-+------+-------+-------+-------+------+------+------+------|
| |IRQ12 | Open | Open | Open | Open | Open | Open |Closed|
+------------------------------------------------------------+