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# HYUNDAI ELECTRONICS, INC.
SUPER 286C (REV. A & B)
Processor 80286
Processor Speed 10MHz
Chip Set VLSI
Max. Onboard 1MB
DRAM
Cache None
BIOS Award
Dimensions 355mm x 304mm
I/O Options Serial ports (2), parallel port, floppy drive
interface
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Serial port | J1A | External battery | J5 |
|----------------+----------+---------------------+----------|
| Serial port | J1B | Speaker | J6 |
|----------------+----------+---------------------+----------|
| Parallel port | J2 | Power LED & keylock | J7 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| » | CPU speed select 10MHz | SW1/3 | Off |
|---+-----------------------------+---------------+----------|
| | CPU speed select 8MHz | SW1/3 | On |
|---+-----------------------------+---------------+----------|
| » | Monitor type select color | SW1/4 | Off |
|---+-----------------------------+---------------+----------|
| | Monitor type select | SW1/4 | On |
| | monochrome | | |
|---+-----------------------------+---------------+----------|
| » | Factory configured - do not | SW2 | pins 1 & |
| | alter | | 2 closed |
|---+-----------------------------+---------------+----------|
| » | CS ROM | SW3 | pins 1 & |
| | | | 2 closed |
|---+-----------------------------+---------------+----------|
| | XMEMR | SW3 | pins 2 & |
| | | | 3 closed |
|---+-----------------------------+---------------+----------|
| » | BIOS type select 27256 | SW4 | pins 2 & |
| | | | 3 closed |
|---+-----------------------------+---------------+----------|
| | BIOS type select 27128 | SW4 | pins 1 & |
| | | | 2 closed |
|---+-----------------------------+---------------+----------|
| » | Floppy drive mode select | SW5 | pins 1 & |
| | single speed | | 2 closed |
|---+-----------------------------+---------------+----------|
| | Floppy drive mode select | SW5 | pins 2 & |
| | dual speed | | 3 closed |
|---+-----------------------------+---------------+----------|
| » | COM1 enabled (IRQ4) | SW6 & SW9 | Closed |
|---+-----------------------------+---------------+----------|
| | COM1 disabled | SW6 & SW9 | Open |
|---+-----------------------------+---------------+----------|
| » | COM2 enabled (IRQ3) | SW7 & SW8 | Closed |
|---+-----------------------------+---------------+----------|
| | COM2 disabled | SW7 & SW8 | Open |
|---+--------------------------------------------------------|
| | Notes: The locations of SW2 & SW3 are unidentified. To |
| | install an internal modem as either COM1 or COM2, the |
| | PAL chip at U65 must be replaced with a SER1 U58EC |
| | chip. Hyundai no longer stocks this chip and there is |
| | no third party sources known. The location of U65 is |
| | unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 512KB | (18) 41256 | NONE |
|------------------+--------------------+--------------------|
| 640KB | (18) 41256 | (18) 4164 |
|------------------+--------------------+--------------------|
| 1MB | (18) 41256 | (18) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/switch 1 | SW1/switch 2 |
|------------------+--------------------+--------------------|
| 512KB | Off | On |
|------------------+--------------------+--------------------|
| 640KB | On | Off |
|------------------+--------------------+--------------------|
| 1MB | Off | Off |
+------------------------------------------------------------+