(TXT) View Source
# UNIDENTIFIED
TURBO MAINBOARD
Processor 8088
Processor Speed 4.77/10MHz
Chip Set None
Max. onboard DRAM 640KB
SRAM Cache None
BIOS Unknown
Dimensions 330mm x 218mm
I/O Options None
NPU Options 8087
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+------------------+-----------|
| Speaker | JP1 | Power LED | JP5/1 & 2 |
|------------------+----------+------------------+-----------|
| Keylock | JP3 | Turbo LED | JP5/3 & 4 |
|------------------+----------+------------------+-----------|
| Reset switch | JP4 | Turbo Switch | JP6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| » | Factory configured - do not | JP7 | N/A |
| | alter | | |
|---+-----------------------------+---------------+----------|
| » | Factory configured - do not | JP8 | N/A |
| | alter | | |
|---+-----------------------------+---------------+----------|
| » | Parity enabled | JP9 | Closed |
|---+-----------------------------+---------------+----------|
| | Parity disabled | JP9 | Open |
|---+-----------------------------+---------------+----------|
| » | Factory configured - do not | SW1/switch 1 | Off |
| | alter | | |
|---+-----------------------------+---------------+----------|
| » | NPU enabled | SW1/switch 2 | Off |
|---+-----------------------------+---------------+----------|
| | NPU disabled | SW1/switch 2 | On |
|---+-----------------------------+---------------+----------|
| » | Factory configured - do not | SW1/switch 3 | N/A |
| | alter | | |
|---+-----------------------------+---------------+----------|
| » | Factory configured - do not | SW1/switch 4 | N/A |
| | alter | | |
+------------------------------------------------------------+
+-----------------------------------------------------------------------------+
| DRAM CONFIGURATION |
|-----------------------------------------------------------------------------|
|Size | Bank 0 |Parity 0| Bank 1 |Parity 1| Bank 2 |Parity 2| Bank 3 |Parity 3|
|-----+--------+--------+--------+--------+--------+--------+--------+--------|
|256KB|(8)41256|(1)41256| NONE | NONE | NONE | NONE | NONE | NONE |
|-----+--------+--------+--------+--------+--------+--------+--------+--------|
|256KB|(2)44256|(1)41256| NONE | NONE | NONE | NONE | NONE | NONE |
|-----+--------+--------+--------+--------+--------+--------+--------+--------|
|512KB|(8)41256|(1)41256|(8)41256|(1)41256| NONE | NONE | NONE | NONE |
|-----+--------+--------+--------+--------+--------+--------+--------+--------|
|512KB|(2)44256|(1)41256|(2)44256|(1)41256| NONE | NONE | NONE | NONE |
|-----+--------+--------+--------+--------+--------+--------+--------+--------|
|576KB|(8)41256|(1)41256|(8)41256|(1)41256|(8)41256|(1)41256| NONE | NONE |
|-----+--------+--------+--------+--------+--------+--------+--------+--------|
|576KB|(2)44256|(1)41256|(2)44256|(1)41256|(2)44256|(1)41256| NONE | NONE |
|-----+--------+--------+--------+--------+--------+--------+--------+--------|
|640KB|(8)41256|(1)41256|(8)41256|(1)41256|(8)41256|(1)41256|(8)41256|(1)41256|
|-----+--------+--------+--------+--------+--------+--------+--------+--------|
|640KB|(2)44256|(1)41256|(2)44256|(1)41256|(2)44256|(1)41256|(2)44256|(1)41256|
|-----------------------------------------------------------------------------|
|Note:When using 44256 or 4464 chips, insert the chips into the dual-size |
|sockets. |
+-----------------------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CONFIGURATION |
|------------------------------------------------------------|
| Type | SW1/switch 5 | SW1/switch 6 |
|------------------------------+--------------+--------------|
| Enhanced graphics adapter | On | On |
|------------------------------+--------------+--------------|
| Color/graphics (40 x 20 | Off | On |
| mode) | | |
|------------------------------+--------------+--------------|
| Color/graphics (80 x 25 | On | Off |
| mode) | | |
|------------------------------+--------------+--------------|
| Monochrome display adapter | Off | Off |
| or both | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRIVE CONFIGURATION |
|------------------------------------------------------------|
| Numper of Installed Drives | SW1/switch 7 | SW1/switch 8 |
|----------------------------+---------------+---------------|
| 1 Drive installed | On | On |
|----------------------------+---------------+---------------|
| 2 Drives installed | Off | On |
|----------------------------+---------------+---------------|
| 3 Drives installed | On | Off |
|----------------------------+---------------+---------------|
| 4 Drives installed | Off | Off |
+------------------------------------------------------------+