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# EVEREX SYSTEMS, INC.
STEP 486E 8 SLOT (EV-1899)
Processor 80486DX
Processor Speed 25/33MHz
Chip Set Everex
Max. Onboard DRAM 64MB (on external memory board)
Cache 256KB
BIOS Everex
Dimensions 355mm x 250mm
I/O Options 32-bit external memory card slot
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | BAT | Front panel LED | J4 |
|------------------+----------+-------------------+----------|
| Speaker | J1 | External memory | MEM |
| | | card slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------------+--------+----------|
| » | Bus speed select SYSCLK/3 | J5 | Closed |
|---+------------------------------------+--------+----------|
| | Bus speed select SYSCLK/4 | J5 | Open |
|---+------------------------------------+--------+----------|
| » | EEPROM select 32K x 8 chip | J6 | Open |
|---+------------------------------------+--------+----------|
| | EEPROM select 64K x 8 chip | J6 | Closed |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | J7 | Open |
|---+------------------------------------+--------+----------|
| » | CMOS password check enabled | J22 | Closed |
|---+------------------------------------+--------+----------|
| | CMOS password check disabled | J22 | Open |
|---+------------------------------------+--------+----------|
| » | EISA setup check enabled | J24 | Closed |
|---+------------------------------------+--------+----------|
| | EISA setup check disabled | J24 | Open |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | J26 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (8) 256K x 1 |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 256K x | (4) 256K x | (4) 256K x | (4) 256K x |
| | 9 | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | (4) 256K x |
| | | | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 4M x 9 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 34MB | (4) 4M x 9 | (4) 4M x 9 | (4) 256K x | (4) 256K x |
| | | | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 40MB | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------+-------------+-------------+------------+------------|
| 64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+