SAMSUNG ELECTRONICS, INC.
S 500
| 
 Processor  | 
 80286  | 
| 
 Processor Speed  | 
 16/20MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 1MB  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 355mm x 304mm  | 
| 
 I/O Options  | 
 Floppy drive interface, parallel port, serial ports (2)  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Parallel port  | 
 CN1  | 
 External battery  | 
 JP2  | 
| 
 Serial port 1  | 
 CN2  | 
 Keyboard connector  | 
 JP17  | 
| 
 Serial port 2  | 
 CN3  | 
 Power LED & keylock  | 
 JP18  | 
| 
 Floppy drive interface  | 
 CN4  | 
 Speaker  | 
 JP20  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 Parallel port enabled  | 
 JP1  | 
 Closed  | |
| 
 Parallel port disabled  | 
 JP1  | 
 Open  | |
| 
 Serial port 1 enabled  | 
 JP3  | 
 Closed  | |
| 
 Serial port 1 disabled  | 
 JP3  | 
 Open  | |
| 
 Serial port 2 enabled  | 
 JP4  | 
 Closed  | |
| 
 Serial port 2 disabled  | 
 JP4  | 
 Open  | |
| 
 Floppy drive secondary address enabled  | 
 JP5  | 
 Closed  | |
| 
 Floppy drive primary address enabled  | 
 JP5  | 
 Open  | |
| 
 Floppy drive speed select dual speed  | 
 JP7  | 
 Closed  | |
| 
 Floppy drive speed select single speed  | 
 JP7  | 
 Open  | |
| 
 Precompensation value select 187ns  | 
 JP8  | 
 Closed  | |
| 
 Precompensation value select 125ns  | 
 JP8  | 
 Open  | |
| 
 DMA CLOCK = DMA CLOCK  | 
 JP13  | 
 Pins 1 & 2 closed  | |
| 
 DMA CLOCK = SYS CLOCK  | 
 JP13  | 
 Pins 2 & 3 closed  | |
| 
 BIOS type select 27256  | 
 JP14  | 
 Pins 1 & 2 closed  | |
| 
 BIOS type select 27128  | 
 JP14  | 
 Pins 2 & 3 closed  | |
| 
 ROM enable signal select XMER signal  | 
 JP15  | 
 Pins 1 & 2 closed  | |
| 
 ROM enable signal select LCSROM signal  | 
 JP15  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP19  | 
 Unidentified  | 
| 
 Monitor type select color  | 
 SW1  | 
 Up  | |
| 
 Monitor type select monochrome  | 
 SW1  | 
 Down  | |
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 256KB  | 
 (9) 41256  | 
 None  | 
 None  | 
 None  | 
| 
 512KB  | 
 (9) 41256  | 
 (9) 41256  | 
 None  | 
 None  | 
| 
 640KB  | 
 (9) 41256  | 
 (9) 41256  | 
 (9) 4164  | 
 None  | 
| 
 1MB  | 
 (9) 41256  | 
 (9) 41256  | 
 (9) 41256  | 
 (9) 41256  | 
| 
 Note: The location of banks 0, 1, 2 & 3 are unidentified.  | ||||
| 
 DRAM JUMPER CONFIGURATION  | ||
| 
 Size  | 
 JP10  | 
 JP11  | 
| 
 256KB  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 512KB  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 640KB  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 1MB  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 CPU SPEED SELECTION  | |
| 
 Speed  | 
 JP16  | 
| 
 16MHz  | 
 Open  | 
| 
 20MHz  | 
 Pins 1 & 2 closed  | 
| 
 16/20MHz (through keyboard)  | 
 Pins 2 & 3 closed  | 
| 
 ON BOARD FLOPPY DRIVE SELECTION  | ||
| 
 Setting  | 
 JP6  | 
 JP9  | 
| 
 Enabled  | 
 Closed  | 
 Closed  | 
| 
 Disabled  | 
 Open  | 
 Open  |