SAMSUNG ELECTRONICS AMERICA, INC.
DeskMaster 486S/20
| 
 Processor  | 
 80486SX  | 
| 
 Processor Speed  | 
 20MHz  | 
| 
 Chip Set  | 
 OPTI  | 
| 
 Max. Onboard DRAM  | 
 32MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, PS/2 bus mouse, serial port (2), VGA port, video feature interface connector  | 
| 
 NPU Options  | 
 80487SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 C1  | 
 Floppy drive interface  | 
 C8  | 
| 
 PS/2 bus mouse  | 
 C2  | 
 Video feature interface  | 
 C9  | 
| 
 Serial port two  | 
 C3  | 
 Reset switch  | 
 J1  | 
| 
 Serial port one  | 
 C4  | 
 Power LED & keylock  | 
 J2  | 
| 
 Parallel port  | 
 C5  | 
 Speaker  | 
 J3  | 
| 
 VGA video port  | 
 C6  | 
 IDE interface LED  | 
 J4  | 
| 
 IDE interface  | 
 C7  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Factory configured - do not alter  | 
 J5  | 
 Closed  | 
| » | 
 IDE interface enabled  | 
 J6  | 
 Closed  | 
| 
 IDE interface disabled  | 
 J6  | 
 Open  | |
| » | 
 Battery select internal  | 
 J7  | 
 Closed  | 
| 
 Battery select external  | 
 J7  | 
 Open  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 5MB  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 17MB  | 
 (4) 256K x 9  | 
 (4) 4M x 9  | 
| 
 20MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  |