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# NORTHGATE COMPUTER SYSTEMS, INC.
ELEGANCE 386 (REV. 2)
Processor 80386DX
Processor 20/25/33MHz
Speed
Chip Set VLSI
Max. Onboard 8MB
DRAM
Cache 64/256KB
BIOS AMI
Dimensions 330 x 220
I/O Options 32-bit external memory card, parallel port,
serial ports (2)
NPU Options 80387DX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Turbo LED | J3 | Serial port (COM2) | J10 |
|----------------+----------+---------------------+----------|
| Power LED & | J4 | 32-bit external | S1 |
| keylock | | memory card | |
|----------------+----------+---------------------+----------|
| Speaker | J5 | 32-bit system | S4 |
| | | memory card | |
|----------------+----------+---------------------+----------|
| Reset switch | J6 | Hard Reset | W5 |
|----------------+----------+---------------------+----------|
| Parallel port | J8 | Turbo switch | W6 |
|----------------+----------+---------------------+----------|
| Serial port | J9 | | |
| (COM1) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Factory configured - do | W1 | Open |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | W4 | pins 2 & 3 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Monitor type select color | W7 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | Monitor type select | W7 | pins 1 & 2 |
| | monochrome | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | W8 | W9 |
|------+--------+--------+--------+--------+--------+--------|
| 1MB | (4) | NONE | NONE | NONE | pins 2 | pins 2 |
| | 256K x | | | | & 3 | & 3 |
| | 9 | | | | | |
|------+--------+--------+--------+--------+--------+--------|
| 2MB | (4) | (4) | NONE | NONE | pins 2 | pins 2 |
| | 256K x | 256K x | | | & 3 | & 3 |
| | 9 | 9 | | | | |
|------+--------+--------+--------+--------+--------+--------|
| 4MB | (4) 1M | NONE | NONE | NONE | pins 1 | pins 1 |
| | x 9 | | | | & 2 | & 2 |
|------+--------+--------+--------+--------+--------+--------|
| 8MB | (4) 1M | (4) 1M | NONE | NONE | pins 1 | pins 1 |
| | x 9 | x 9 | | | & 2 | & 2 |
|------+--------+--------+--------+--------+--------+--------|
| 12MB | (4) 1M | (4) 1M | (4) 1M | NONE | pins 1 | pins 1 |
| | x 9 | x 9 | x 9 | | & 2 | & 2 |
|------+--------+--------+--------+--------+--------+--------|
| 16MB | (4) 1M | (4) 1M | (4) 1M | (4) 1M | pins 1 | pins 1 |
| | x 9 | x 9 | x 9 | x 9 | & 2 | & 2 |
|------------------------------------------------------------|
| Note:Banks 2 & 3 may be found on the external memory card. |
| |
| Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| System | External | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
| memory | memory | | | | |
|---------+--------------+--------+--------+--------+--------|
| 1MB | 0MB | Closed | Closed | Closed | Closed |
|---------+--------------+--------+--------+--------+--------|
| 2MB | 0MB | Open | Open | Open | Open |
|---------+--------------+--------+--------+--------+--------|
| 4MB | 0MB | Closed | Closed | Closed | Closed |
|---------+--------------+--------+--------+--------+--------|
| 8MB | 0MB | Closed | Open | Open | Open |
|---------+--------------+--------+--------+--------+--------|
| 8MB | 4MB | Open | Closed | Open | Open |
|---------+--------------+--------+--------+--------+--------|
| 8MB | 8MB | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Cache | Location | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (8) 64K x 1 | Banks 0 & 1 | (2) 64K x 1 |
|------------+---------------+---------------+---------------|
| 256KB | (8) 64K x 4 | Banks 0 & 1 | (2) 64K x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W2 | W3 |
|------------------+--------------------+--------------------|
| 64KB | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 256KB | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | IRQ | SW2/3 | SW2/4 | SW3/3 | SW3/4 |
|--------------+------+---------+---------+---------+--------|
| » | 1 | 5 | Open | Open | Closed | Open |
|---+----------+------+---------+---------+---------+--------|
| | 2 | 7 | Open | Closed | Open | Closed |
|---+----------+------+---------+---------+---------+--------|
| » | 1 | 7 | Open | Open | Open | Closed |
|---+----------+------+---------+---------+---------+--------|
| | 2 | 5 | Open | Closed | Closed | Open |
|---+----------+------+---------+---------+---------+--------|
| | Disabled | N/A | Closed | N/A | N/A | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
|Port 1 (J9) |Port 2 (J10)| SW2/1 | SW2/2 | SW3/1 | SW3/2 |
|------------+------------+--------+--------+--------+-------|
|»|COM1/IRQ4 | COM2/IRQ3 | Open | Open | Closed |Closed |
|-+----------+------------+--------+--------+--------+-------|
| |COM1/IRQ4 | Disabled | Open | Closed | Closed | Open |
|-+----------+------------+--------+--------+--------+-------|
| | Disabled | COM2/IRQ3 | Closed | Open | Open |Closed |
|-+----------+------------+--------+--------+--------+-------|
| | Disabled | Disabled | Closed | Closed | Open | Open |
+------------------------------------------------------------+