AMERICAN RESEARCH CORPORATION
PROTURBO 88
|
Processor |
8088 |
|
Processor Speed |
4.77/9.54MHz |
|
Chip Set |
None |
|
Max. Onboard DRAM |
640KB |
|
Cache |
None |
|
BIOS |
ARC |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
EGA port, floppy drive interface, game port, parallel port, serial ports (2) |
|
NPU Options |
8087 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
BAT |
Parallel port |
CN7 |
|
Riser card |
CN1 |
Speaker |
CN9 |
|
Floppy interface |
CN2 |
Game port |
CN10 |
|
EGA interface |
CN3 |
Serial port 2 |
CN11 |
|
Serial port 1 |
CN6 |
External keyboard |
KB1 |
|
Note:The location of the CPU, NPU and SW1 are unidentified. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Factory configured - do not alter |
J2 |
unknown | |
|
Parallel port select LPT1 interrupt IRQ7 at 378-37F |
J7 |
pins 1 & 2 closed | |
|
Parallel port select LPT2 interrupt IRQ5 at 278-27F |
J7 |
pins 3 & 4 closed | |
|
Factory configured - do not alter |
J8 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
J8 |
pins 3 & 4 closed | |
|
Factory configured - do not alter |
J10 |
N/A | |
|
Factory configured - do not alter |
J11 |
N/A | |
|
Factory configured - do not alter |
J12 |
N/A | |
|
DRAM test at power-on enabled |
SW1/1 |
Off | |
|
DRAM test at power-on disabled |
SW1/1 |
On | |
|
NPU disabled |
SW1/2 |
On | |
|
NPU enabled |
SW1/2 |
Off | |
|
FLOPPY DRIVE A CONFIGURATION | ||
|
Type |
SW1/3 |
SW1/4 |
|
None |
On |
On |
|
360KB |
On |
On |
|
720KB |
On |
Off |
|
1.2MB |
Off |
On |
|
1.44MB |
Off |
Off |
|
FLOPPY DRIVE B CONFIGURATION | ||
|
Type |
SW1/7 |
SW1/8 |
|
None |
On |
On |
|
360KB |
On |
On |
|
720KB |
On |
Off |
|
1.2MB |
Off |
On |
|
1.44MB |
Off |
Off |
|
MONITOR CONFIGURATION | ||
|
Type |
SW1/5 |
SW1/6 |
|
EGA |
On |
On |
|
CGA (80 x 25) |
On |
Off |
|
CGA (40 x 25) |
Off |
On |
|
Monochrome |
Off |
Off |