(TXT) View Source
# UNIDENTIFIED
AL-6408
Processor 8088
Processor Speed 4/8/10MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard Memory 640KB
Maximum Video Memory None
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options None
NPU Options 8087
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Turbo switch | JP2 | Speaker | P4 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | JP5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| | CPU speed select through keyboard | JP1 | Pins 1 & 2 |
| | (CTRL, ALT, -) | | closed |
|---+-----------------------------------+-------+------------|
| | CPU speed select through hardware | JP1 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Turbo enabled | JP2 | Closed |
|---+-----------------------------------+-------+------------|
| | Turbo disabled | JP2 | Open |
|---+-----------------------------------+-------+------------|
| | Keyboard locked | JP4 | Open |
|---+-----------------------------------+-------+------------|
| | Keyboard unlocked | JP4 | Closed |
|---+-----------------------------------+-------+------------|
| ยป | Factory configured - do not alter | SW1/1 | Off |
|---+-----------------------------------+-------+------------|
| | NPU not installed | SW1/2 | On |
|---+-----------------------------------+-------+------------|
| | NPU installed | SW1/2 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+------------+------------+------------+-----------|
| 256KB | (9) 4164 | (9) 4164 | (9) 4164 | (9) 4164 |
|---------+------------+------------+------------+-----------|
| 256KB | (9) 41256 | None | None | None |
|---------+------------+------------+------------+-----------|
| 512KB | (9) 41256 | (9) 41256 | None | None |
|---------+------------+------------+------------+-----------|
| 640KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP3 |
|------------------------------+-----------------------------|
| 256KB | Open |
|------------------------------+-----------------------------|
| 256KB | Closed |
|------------------------------+-----------------------------|
| 512KB | Closed |
|------------------------------+-----------------------------|
| 640KB | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/3 | SW1/4 |
|--------------------+-------------------+-------------------|
| 128KB | Off | On |
|--------------------+-------------------+-------------------|
| 192KB | On | Off |
|--------------------+-------------------+-------------------|
| 256KB | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR SELECTION |
|------------------------------------------------------------|
| Setting | SW1/5 | SW1/6 |
|--------------------+-------------------+-------------------|
| None | On | On |
|--------------------+-------------------+-------------------|
| Monochrome | Off | Off |
|--------------------+-------------------+-------------------|
| Color 40 x 25 | Off | On |
|--------------------+-------------------+-------------------|
| Color 80 x 25 | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOPPY DRIVE SELECTION |
|------------------------------------------------------------|
| Drives installed | SW1/7 | SW1/8 |
|--------------------+-------------------+-------------------|
| 1 | On | On |
|--------------------+-------------------+-------------------|
| 2 | Off | On |
|--------------------+-------------------+-------------------|
| 3 | On | Off |
|--------------------+-------------------+-------------------|
| 4 | Off | Off |
+------------------------------------------------------------+