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# SOFTSYS COMPUTER CENTERS, INC.
TURBO - V4
Processor 8088 (exact location unknown)
Processor Speed 8MHz
Chip Set Unidentified
Max. Onboard DRAM 640KB
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options None
NPU Options 8087 (exact location unknown)
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Keylock | JP3 | Power LED | JP7 |
|--------------------+----------+-----------------+----------|
| Turbo switch | JP5 | Speaker | SPK |
|--------------------+----------+-----------------+----------|
| LED counter | JP6 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| » | Softswitch enabled | JP4 | Open |
|---+-----------------------------+---------------+----------|
| | Softswitch disabled | JP4 | Closed |
|---+-----------------------------+---------------+----------|
| » | Factory configured - do not | SW1/3 | N/A |
| | alter | | |
|---+-----------------------------+---------------+----------|
| » | Factory configured - do not | SW1/4 | N/A |
| | alter | | |
|---+-----------------------------+---------------+----------|
| » | Self test disabled | SW2/1 | On |
|---+-----------------------------+---------------+----------|
| | Self test enabled | SW2/1 | Off |
|---+-----------------------------+---------------+----------|
| » | NPU disabled | SW2/2 | On |
|---+-----------------------------+---------------+----------|
| | NPU enabled | SW2/2 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+------------+------------+------------+-----------|
| 64KB | (9) 4164 | NONE | NONE | NONE |
|---------+------------+------------+------------+-----------|
| 128KB | (9) 4164 | (9) 4164 | NONE | NONE |
|---------+------------+------------+------------+-----------|
| 192KB | (9) 4164 | (9) 4164 | (9) 4164 | NONE |
|---------+------------+------------+------------+-----------|
| 256KB | (9) 4164 | (9) 4164 | (9) 4164 | (9) 4164 |
|---------+------------+------------+------------+-----------|
| 448KB | (9) 41256 | (9) 4164 | (9) 4164 | (9) 4164 |
|---------+------------+------------+------------+-----------|
| 640KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 |
|---------+------------+------------+------------+-----------|
| 640KB | (9) 41256 | (9) 41256 | (9) 41256 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 | SW2/3 | SW2/4 |
|------------+-----------+-----------+-----------+-----------|
| 64KB | N/A | N/A | On | On |
|------------+-----------+-----------+-----------+-----------|
| 128KB | N/A | N/A | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 192KB | N/A | N/A | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 256KB | On | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 448KB | On | Off | N/A | N/A |
|------------+-----------+-----------+-----------+-----------|
| 640KB | Off | On | N/A | N/A |
|------------+-----------+-----------+-----------+-----------|
| 640KB | Off | Off | N/A | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO CONFIGURATION |
|------------------------------------------------------------|
| Type | SW2/5 | SW2/6 |
|--------------------+-------------------+-------------------|
| None | On | On |
|--------------------+-------------------+-------------------|
| Monochrome | Off | Off |
|--------------------+-------------------+-------------------|
| 40 x 25 color | Off | On |
|--------------------+-------------------+-------------------|
| 80 x 25 color | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOPPY DRIVE CONFIGURATION |
|------------------------------------------------------------|
| Drives installed | SW2/7 | SW2/8 |
|--------------------+-------------------+-------------------|
| 1 | On | On |
|--------------------+-------------------+-------------------|
| 2 | Off | On |
|--------------------+-------------------+-------------------|
| 3 | On | Off |
|--------------------+-------------------+-------------------|
| 4 | Off | Off |
+------------------------------------------------------------+