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# EVEREX SYSTEMS, INC.
1800R 286/8 (EV-1800)
Processor 80286
Processor Speed 8/10/12/16/20MHz
Chip Set Suntac
Max. Onboard DRAM 1MB
Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | CN1 | Speaker | J2 |
|------------------+----------+-------------------+----------|
| Reset switch | J1 | Power LED & | J3 |
| | | keylock | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Switch | Position |
|--------------------------------------+---------+-----------|
| ยป | Monitor type select color | C/M | On |
|---+----------------------------------+---------+-----------|
| | Monitor type select monochrome | C/M | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | W1/switch 1 | W1/switch |
| | | | | 2 |
|-------+------------+------------+-------------+------------|
| 256KB | (18) 4464 | (18) 4464 | On | On |
|-------+------------+------------+-------------+------------|
| 512KB | (18) 41256 | NONE | On | Off |
|-------+------------+------------+-------------+------------|
| 640KB | (18) 41256 | (18) 4464 | Off | On |
|-------+------------+------------+-------------+------------|
| 1MB | (18) 41256 | (18) 41256 | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS TYPE CONFIGURATION |
|------------------------------------------------------------|
| BIOS | W2/switch | W2/switch | W2/switch | W2/switch |
| type | 1 | 2 | 3 | 4 |
|--------+------------+------------+------------+------------|
| 27128 | On | On | Off | Off |
|--------+------------+------------+------------+------------|
| 27256 | Off | Off | On | On |
+------------------------------------------------------------+