EPSON, INC.
EQUITY 386SX/16 PLUS AND EQUITY 320SX PLUS
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 16/20MHz  | 
| 
 Chip Set  | 
 VLSI TOPCAT  | 
| 
 Max. Onboard DRAM  | 
 24MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI/Epson  | 
| 
 Dimensions  | 
 3O4mm x 272mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, serial port, VGA port  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Battery connector  | 
 CN1  | 
 IDE interface  | 
 CN9  | 
| 
 Speaker  | 
 CN2  | 
 Floppy drive interface  | 
 CN10  | 
| 
 Keyboard/mouse connector  | 
 CN4  | 
 Serial port (COM1)  | 
 CN11  | 
| 
 VGA connector  | 
 CN5  | 
 HDD access LED  | 
 CN12  | 
| 
 Parallel port  | 
 CN6  | 
 Power LED  | 
 CN13  | 
| 
 CPU/Power LED  | 
 CN7  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Password enabled  | 
 J2  | 
 pins 2 & 3 closed  | 
| 
 Password disabled  | 
 J2  | 
 pins 2 & 3 closed  | |
| » | 
 Monitor type select color  | 
 J3  | 
 pins 1 & 2 closed  | 
| 
 Monitor type select monochrome  | 
 J3  | 
 pins 2 & 3 closed  | |
| » | 
 Mouse interface enabled  | 
 J4  | 
 pins 1 & 2 closed  | 
| 
 Mouse interface disabled  | 
 J4  | 
 pins 2 & 3 closed  | |
| 
 DRAM CONFIGURATION  | |||
| 
 Size  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 3MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 5MB  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 6MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 8MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 10MB  | 
 (2) 4M x 9  | 
 NONE  | 
 NONE  | 
| 
 11MB  | 
 (2) 4M x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 12MB  | 
 (2) 1M x 9  | 
 (2) 4M x 9  | 
 NONE  | 
| 
 18MB  | 
 (2) 4M x 9  | 
 (2) 4M x 9  | 
 (4) 1M x 9  | 
| 
 20MB  | 
 (2) 1M x 9  | 
 (2) 4M x 9  | 
 (2) 4M x 9  | 
| 
 24MB  | 
 (2) 4M x 9  | 
 (2) 4M x 9  | 
 (2) 4M x 9  | 
| 
 Note:Board is supplied with 2MB factory installed.  | |||
| 
 VGA CONFIGURATION  | ||
| 
 Setting  | 
 J1  | 
 J5  | 
| 
 Enabled  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 Disabled  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  |