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# AT-LAN-TEC, INC.
ETHERNET E2100
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 16-bit ISA
Topology Linear Bus
Wiring Type RG-58 A/U 50ohm Coaxial Cable
AUI Transceiver via DB-15 port
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| BUS COMPATIBILITY |
|------------------------------------------------------------|
| Setting | JP4/A |
|---------------------------------------------------+--------|
| Systems that are completely timing-compatible | Open |
| with the IBM PC/AT | |
|---------------------------------------------------+--------|
| Systems that are not completely | Closed |
| timing--compatible with the IBM PC/AT | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEMORY ADDRESS SELECT |
|------------------------------------------------------------|
| ROM Address | Base I/O Address | JP4/B | JP4/C |
|----------------+------------------+------------+-----------|
| C0800 - C0FFFh | 300h | Closed | Closed |
|----------------+------------------+------------+-----------|
| CC000 - CC7FFh | 320h | Closed | Open |
|----------------+------------------+------------+-----------|
| D0000 - D07FFh | 340h | Open | Closed |
|----------------+------------------+------------+-----------|
| D4000 - D47FFh | 360h | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | JP4/D |
|-----------------------------------+------------------------|
| » | Disable remote boot: ROM | Open |
|---+-------------------------------+------------------------|
| | Enable remote boot: ROM | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Purpose | Setting |
|------------------------------+-----------------------------|
| BNC Port for thin cabling | JP3/A-H Pins 1 & 2 Closed |
|------------------------------+-----------------------------|
| AUI port for thick cabling | JP3/A-H pins 2 & 3 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | J2/A | J2/B | J2/C | J2/D |
|------------+-----------+-----------+-----------+-----------|
| » | IRQ3 | Closed | Open | Open | Open |
|---+--------+-----------+-----------+-----------+-----------|
| | IRQ4 | Open | Closed | Open | Open |
|---+--------+-----------+-----------+-----------+-----------|
| | IRQ5 | Open | Open | Closed | Open |
|---+--------+-----------+-----------+-----------+-----------|
| | IRQ9 | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA ACKNOWLEDGE |
|------------------------------------------------------------|
| Purpose | JP1/A | JP1/B | JP1/C | JP1/D |
|----------------+----------+----------+----------+----------|
| » | DACK5 | Open | Open | Closed | Open |
|---+------------+----------+----------+----------+----------|
| | DACK7 | Closed | Open | Open | Open |
|---+------------+----------+----------+----------+----------|
| | DACK6 | Open | Closed | Open | Open |
|---+------------+----------+----------+----------+----------|
| | DACK3 | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA REQUEST |
|------------------------------------------------------------|
| Purpose | JP1/E | JP1/F | JP1/G | JP1/H |
|----------------+----------+----------+----------+----------|
| » | DRQ5 | Open | Open | Closed | Open |
|---+------------+----------+----------+----------+----------|
| | DRQ7 | Closed | Open | Open | Open |
|---+------------+----------+----------+----------+----------|
| | DRQ6 | Open | Closed | Open | Open |
|---+------------+----------+----------+----------+----------|
| | DRQ3 | Open | Open | Open | Closed |
+------------------------------------------------------------+