EVEREX SYSTEMS, INC.
386SX-16/20
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 16/20MHz  | 
| 
 Chip Set  | 
 Suntac  | 
| 
 Max. Onboard DRAM  | 
 8MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 355mm x 304mm  | 
| 
 I/O Options  | 
 VGA port, VGA feature connector, parallel port, serial ports (2)  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 IDE interface LED  | 
 J1  | 
 Serial port 2  | 
 J12  | 
| 
 Front panel display  | 
 J3  | 
 Serial port 1  | 
 J13  | 
| 
 VGA feature connector  | 
 J6  | 
 VGA port  | 
 J14  | 
| 
 Speaker enable/disable switch  | 
 J9  | 
 Riser card  | 
 R1  | 
| 
 Parallel port  | 
 J11  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Onboard VGA enabled  | 
 JP5  | 
 Closed  | 
| 
 Onboard VGA disabled  | 
 JP5  | 
 Open  | |
| 
 SERIAL PORT 1 CONFIGURATION  | ||
| 
 COM1  | 
 JP1  | |
| » | 
 DTE  | 
 pins 1 & 12, 2 & 11, 3 & 10, 4 & 9, 5 & 8, and 6 & 7 closed  | 
| 
 DCE  | 
 pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, and 11 & 12 closed  | |
| 
 SERIAL PORT 2 CONFIGURATION  | ||
| 
 COM2  | 
 JP2  | |
| » | 
 DTE  | 
 pins 1 & 12, 2 & 11, 3 & 10, 4 & 9, 5 & 8, and 6 & 7 closed  | 
| 
 DCE  | 
 pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, and 11 & 12 closed  | |
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 512KB  | 
 (2) 256K x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 1MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 3MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 5MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 6MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 8MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  |