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 |