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# HEDAKA
HED-919
Processor 80286
Processor Speed 12MHz
Chip Set Unidentified
Max. Onboard DRAM 1MB
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options None
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Power LED | CN3 | Keylock | CN6 |
|-------------------+----------+------------------+----------|
| Reset switch | CN4 | Turbo LED | CN7 |
|-------------------+----------+------------------+----------|
| Speaker | CN5 | Turbo switch | CN8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Switch | Position |
|---------------------------------------+---------+----------|
| » | Parity check disabled | SW1/1 | On |
|---+-----------------------------------+---------+----------|
| | Parity check enabled | SW1/1 | Off |
|---+-----------------------------------+---------+----------|
| » | Shadow BIOS enabled | SW1/2 | On |
|---+-----------------------------------+---------+----------|
| | Shadow BIOS disabled | SW1/2 | Off |
|---+-----------------------------------+---------+----------|
| » | Factory configured - do not alter | SW1/7 | Off |
|---+-----------------------------------+---------+----------|
| » | Wait state select 0 wait states | SW1/8 | On |
|---+-----------------------------------+---------+----------|
| | Wait state select 1 wait state | SW1/8 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Parity | Bank 1 | Parity | Bank | Parity |
| | | 0 | | 1 | 2 | 2 |
|-------+--------+--------+--------+--------+-------+--------|
| 512KB | (4) | (2) | NONE | NONE | NONE | NONE |
| | 42456 | 41256 | | | | |
|-------+--------+--------+--------+--------+-------+--------|
| 640KB | (4) | (2) | NONE | NONE | (4) | (2) |
| | 42456 | 41256 | | | 41464 | 4164 |
|-------+--------+--------+--------+--------+-------+--------|
| 1MB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 42456 | 41256 | 42456 | 41256 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/3 | SW1/4 |
|--------------------+-------------------+-------------------|
| 512KB | Off | On |
|--------------------+-------------------+-------------------|
| 640KB | On | Off |
|--------------------+-------------------+-------------------|
| 1MB | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY ADAPTER CONFIGURATION |
|------------------------------------------------------------|
| Type | SW1/5 | SW1/6 |
|--------------------+-------------------+-------------------|
| CGA (40 x 25) | Off | On |
|--------------------+-------------------+-------------------|
| CGA (80 x 25) | On | Off |
|--------------------+-------------------+-------------------|
| Monochrome | Off | Off |
+------------------------------------------------------------+