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# GVC TECHNOLOGIES, INC.
NIC-2004
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 8-bit ISA
Topology Linear Bus, Star
Wiring Type Unshielded twisted pair
RG58A/U 50ohm coaxial
AUI transceiver via DB-15 port
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| BASE MEMORY ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Address | Shared | JP1 | JP2 | JP3 | JP4 |
| | Memory | | | | |
| | Size | | | | |
|------------+-----------+--------+--------+--------+--------|
| » | N/A | No Boot | Open | Open | Open | Open |
| | | PROM | | | | |
|---+--------+-----------+--------+--------+--------+--------|
| | 0C000h | 8KB/16KB | Open | Open | Closed | Open |
|---+--------+-----------+--------+--------+--------+--------|
| | 0C400h | 8KB/16KB | Open | Open | Closed | Closed |
|---+--------+-----------+--------+--------+--------+--------|
| | 0C800h | 8KB/16KB | Open | Closed | Open | Open |
|---+--------+-----------+--------+--------+--------+--------|
| | 0CC00h | 8KB/16KB | Open | Closed | Open | Closed |
|---+--------+-----------+--------+--------+--------+--------|
| | 0D000h | 8KB/16KB | Open | Closed | Closed | Open |
|---+--------+-----------+--------+--------+--------+--------|
| | 0D400h | 8KB/16KB | Open | Closed | Closed | Closed |
|---+--------+-----------+--------+--------+--------+--------|
| | 0D800h | 8KB/16KB | Closed | Open | Op-en | Open |
|---+--------+-----------+--------+--------+--------+--------|
| | 0DC00h | 8KB/16KB | Closed | Open | Open | Closed |
|---+--------+-----------+--------+--------+--------+--------|
| | 0C000h | 32KB/32KB | Closed | Open | Closed | Open |
|---+--------+-----------+--------+--------+--------+--------|
| | 0C800h | 32KB/32KB | Closed | Open | Closed | Closed |
|---+--------+-----------+--------+--------+--------+--------|
| | 0D000h | 32KB/32KB | Closed | Closed | Open | Open |
|---+--------+-----------+--------+--------+--------+--------|
| | 0D800h | 32KB/32KB | Closed | Closed | Open | Closed |
|---+--------+-----------+--------+--------+--------+--------|
| | 0C000h | 64KB/64KB | Closed | Closed | Closed | Open |
|---+--------+-----------+--------+--------+--------+--------|
| | 0D000h | 64KB/64KB | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP5 | JP6 |
|------------------------------------+-----------+-----------|
| » | RG58A/U 50ohm coaxial | Open | Closed |
|---+--------------------------------+-----------+-----------|
| | AUI transceiver via DB-15 port | Closed | Open |
|---+--------------------------------+-----------+-----------|
| | TPI (Reduced Squelch) | Closed | Closed |
|---+--------------------------------+-----------+-----------|
| | Unshielded twisted pair | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHANNEL READY CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP12 |
|--------------------------------------------------+---------|
| » | Channel Ready generated after command strobe | Open |
|---+----------------------------------------------+---------|
| | Channel ready generated after BALE goes high | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EECONFIG |
|------------------------------------------------------------|
| Setting | JP18 |
|-------------------------------------+----------------------|
| » | Software Configuration | Closed |
|---+---------------------------------+----------------------|
| | Hardware(jumpers) Configuration | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | JP7 | JP8 | JP9 | JP10 |
|--------------+-----------+-----------+----------+----------|
| » | IRQ3 | Closed | Open | Open | Open |
|---+----------+-----------+-----------+----------+----------|
| | IRQ4 | Closed | Open | Open | Closed |
|---+----------+-----------+-----------+----------+----------|
| | IRQ5 | Closed | Open | Closed | Open |
|---+----------+-----------+-----------+----------+----------|
| | IRQ9 | Closed | Open | Closed | Closed |
|---+----------+-----------+-----------+----------+----------|
| | IRQ10 | Closed | Closed | Open | Open |
|---+----------+-----------+-----------+----------+----------|
| | IRQ11 | Closed | Closed | Open | Closed |
|---+----------+-----------+-----------+----------+----------|
| | IRQ12 | Closed | Closed | Closed | Open |
|---+----------+-----------+-----------+----------+----------|
| | IRQ15 | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Address | JP15 | JP16 | JP17 |
|-----------------+--------------+-------------+-------------|
| » | 300h | Open | Open | Open |
|---+-------------+--------------+-------------+-------------|
| | Software | Open | Open | Closed |
|---+-------------+--------------+-------------+-------------|
| | 240h | Open | Closed | Open |
|---+-------------+--------------+-------------+-------------|
| | 280h | Open | Closed | Closed |
|---+-------------+--------------+-------------+-------------|
| | 2C0h | Closed | Open | Open |
|---+-------------+--------------+-------------+-------------|
| | 320h | Closed | Open | Closed |
|---+-------------+--------------+-------------+-------------|
| | 340h | Closed | Closed | Open |
|---+-------------+--------------+-------------+-------------|
| | 360h | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IO16CON CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP13 |
|-------------------------------------------------+----------|
| » | IO16 generated only on address decode | Open |
|---+---------------------------------------------+----------|
| | IO16 generated after IORD or IOWR go active | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINK-TEST CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP11 |
|-----------------------------------+------------------------|
| » | Link Test enabled | Open |
|---+-------------------------------+------------------------|
| | Link Test disabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEMORY/IO MODE CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP14 |
|-----------------------------------+------------------------|
| » | I/O Mode | Open |
|---+-------------------------------+------------------------|
| | Shared Memory Mode | Closed |
+------------------------------------------------------------+