EVEREX SYSTEMS, INC.
STEP 386 REV. G
| Processor | 80386DX | 
| Processor Speed | 16/20MHz | 
| Chip Set | C & T | 
| Max. onboard DRAM | 8MB | 
| Cache | 64/128KB | 
| BIOS | AMI | 
| Dimensions | 355mm x 304mm | 
| I/O Options | 32-bit external memory card | 
| NPU Options | 80387DX | 
 
| CONNECTIONS | |
| Purpose | Location | 
| 32-bit external memory card | S1 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper/Switch | Position | |
| » | Factory configured - do not alter | SW1 | Unknown | 
| SYSTEM DRAM CONFIGURATION | |||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | W1 | 
| 1MB | (4) 256K x 9 | NONE | NONE | NONE | Closed | 
| 2MB | (4) 256K x 9 | (4) 256K x 9 | NONE | NONE | Closed | 
| 4MB | (4) 1M x 9 | NONE | NONE | NONE | Open | 
| 4MB | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | Closed | 
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE | Open | 
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | Open | 
| Note:Banks 2 & 3, and W1 are located on the external memory Board. | |||||
| CACHE CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | TAG | Dirty Bit (U38) | 
| 64KB | (4) 16K x 4 | NONE | (2) 16K x 4 | (1) 16K x 4 | 
| 128KB | (4) 16K x 4 | (4) 16K x 4 | (2) 16K x 4 | (1) 16K x 4 | 
| Note:Each Cache bank must be fully populated when its corresponding DRAM bank is populated. | ||||
| RESISTOR SIP CONFIGURATION | ||||
| Memory Banks installed | RP28 | RP29 | RP30 | RP31 | 
| Bank 0 | Installed | Open | Installed | Open | 
| Bank 0 & 1 | Open | Installed | Installed | Open | 
| Banks 0, 1, 2, & 3 | Open | Installed | Open | Installed | 
| Note:Banks 2 & 3 are on the external memory card | ||||
 
| CACHE CONFIGURATION | ||
| Size | Cache | Location | 
| 64KB | (8) 16K x 4 | Bank 2 | 
| 128KB | (8) 16K x 4 | Bank 2 & 3 | 
| Note:Each Cache bank must be fully populated when its corresponding DRAM bank is populated. | ||