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# EMPAC RESEARCH INTERNATIONAL
ERI-LAN486E
Processor 80486SX/80486DX
Processor Speed 25/33/50/50(internal)MHz
Chip Set Symphony
Max. Onboard 16MB
DRAM
Cache None
BIOS AMI
Dimensions 254mm x 230mm
I/O Options Bus mouse port, ethernet ports (3), floppy
drive interface, IDE interface, parallel
port, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Link LED | D2 | Speaker | JP18 |
|-------------------+----------+------------------+----------|
| IDE hard disk | JP1 | Reset switch | JP19 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Floppy disk | JP2 | Ethernet 10Base5 | JP21 |
| interface | | (AUI) | |
|-------------------+----------+------------------+----------|
| Serial port 2 | JP7 | Ethernet 10BaseT | P1 |
|-------------------+----------+------------------+----------|
| Turbo LED | JP12 | Ethernet 10Base2 | P2 |
|-------------------+----------+------------------+----------|
| Turbo switch | JP14 | Parallel port | P3 |
|-------------------+----------+------------------+----------|
| IDE interface LED | JP16 | Serial port 1 | P4 |
|-------------------+----------+------------------+----------|
| Power LED & | JP17 | Bus mouse | P5 |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| » | Monitor type select color | JP22 | closed |
|---+-----------------------------+---------------+----------|
| | Monitor type select | JP22 | open |
| | monochrome | | |
|---+-----------------------------+---------------+----------|
| » | Serial port 1 interrupt | JP24 | closed |
| | IRQ4 enabled | | |
|---+-----------------------------+---------------+----------|
| | Serial port 1 interrupt | JP24 | open |
| | IRQ4 disabled | | |
|---+-----------------------------+---------------+----------|
| » | Serial port 2 interrupt | JP25 | closed |
| | IRQ3 enabled | | |
|---+-----------------------------+---------------+----------|
| | Serial port 2 interrupt | JP25 | open |
| | IRQ3 disabled | | |
|---+-----------------------------+---------------+----------|
| » | Parallel port select LPT1 | JP27 | closed |
| | interrupt IRQ7 | | |
|---+-----------------------------+---------------+----------|
| | Parallel port disabled | JP27 | open |
|---+-----------------------------+---------------+----------|
| » | Mouse port select interrupt | JP28 | closed |
| | IRQ12 enabled | | |
|---+-----------------------------+---------------+----------|
| | Mouse port select interrupt | JP28 | open |
| | IRQ12 disabled | | |
|---+-----------------------------+---------------+----------|
| » | Ethernet type select | SW1 | 1 |
| | 10BaseT (RJ45) | | |
|---+-----------------------------+---------------+----------|
| | Ethernet type select | SW1 | 2 |
| | 10Base2 (BNC) | | |
|---+-----------------------------+---------------+----------|
| | Ethernet type select | SW1 | N/A |
| | 10Base5 (AUI) | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 1MB | (4) 256K x 9 |
|----------------------------+-------------------------------|
| 4MB | (4) 1M x 9 |
|----------------------------+-------------------------------|
| 16MB | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ETHERNET CONTROLLER I/O ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| I/O Address | JP8 |
|------------------+-----------------------------------------|
| | 300H | open |
|-----+------------+-----------------------------------------|
| | 320H | pins 1 & 2, 3 & 4, and 5 & 6 closed |
|-----+------------+-----------------------------------------|
| | 330H | pins 1 & 2 and 3 & 4 closed |
|-----+------------+-----------------------------------------|
| | 340H | pins 1 & 2 and 5 & 6 closed |
|-----+------------+-----------------------------------------|
| | 350H | pins 1 & 2 closed |
|-----+------------+-----------------------------------------|
| » | 360H | pins 5 & 6 closed |
|-----+------------+-----------------------------------------|
| | 380H | pins 3 & 4 and 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE BOOT ROM CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP15 | JP26 |
|-------------------+-------------------+--------------------|
| » | Disabled | pins 1 & 2 closed | N/A |
|---+---------------+-------------------+--------------------|
| | C8OOOH-C9FFFH | pins 2 & 3 closed | pins 1 & 2 and 3 & |
| | | | 4 closed |
|---+---------------+-------------------+--------------------|
| | CCOOOH-CDFFFH | pins 2 & 3 closed | pins 1 & 2 closed |
|---+---------------+-------------------+--------------------|
| | D8OOOH-D9FFFH | pins 2 & 3 closed | pins 3 & 4 closed |
|---+---------------+-------------------+--------------------|
| | DCOOOH-DDFFFH | pins 2 & 3 closed | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ETHERNET INTERRUPT CONFIGURATION |
|------------------------------------------------------------|
| Interrupt | JP26 |
|----------------------------+-------------------------------|
| IRQ3 | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| IRQ5 | pins 3 & 4 closed |
|----------------------------+-------------------------------|
| IRQ9 | pins 5 & 6 closed |
|----------------------------+-------------------------------|
| IRQ10 | pins 7 & 8 closed |
|----------------------------+-------------------------------|
| IRQ11 | pins 9 & 10 closed |
|----------------------------+-------------------------------|
| IRQ12 | pins 11 & 12 closed |
|----------------------------+-------------------------------|
| IRQ15 | pins 13 & 14 closed |
+------------------------------------------------------------+