AMERICAN RESEARCH CORPORATION
X TURBO
|
Processor |
8088 |
|
Processor Speed |
4/6MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
640KB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Proprietary slots (2) |
|
NPU Options |
8087 |
|
CONNECTIONS | |
|
Purpose |
Location |
|
Proprietary slots |
SL1 - SL2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Switch |
Position | |
|
|
Turbo enabled |
SW2/1 |
Off |
|
Turbo disabled |
SW2/1 |
On | |
|
|
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 |
|
256KB |
(9) 41256 |
NONE |
NONE |
NONE |
|
640KB |
(9) 41256 |
(9) 41256 |
(9) 4164 |
(9) 4164 |
|
DRAM SWITCH CONFIGURATION | ||
|
Size |
SW2/3 |
SW2/4 |
|
64KB |
On |
On |
|
128KB |
Off |
On |
|
192KB |
On |
Off |
|
256KB |
Off |
Off |
|
640KB |
Off |
Off |
|
DRAM SWITCH CONFIGURATION | ||||||||
|
Size |
SW3/1 |
SW3/2 |
SW3/3 |
SW3/4 |
SW3/5 |
SW3/6 |
SW3/7 |
SW3/8 |
|
Bank 0 & 1 = 41256 |
Off |
On |
Off |
On |
Off |
On |
Off |
On |
|
Bank 2 & 3 = 4164 |
Off |
On |
Off |
On |
Off |
On |
Off |
On |
|
DRAM SWITCH CONFIGURATION (CONT) | ||||||||
|
Size |
SW4/1 |
SW4/2 |
SW4/3 |
SW4/4 |
SW4/5 |
SW4/6 |
SW4/7 |
SW4/8 |
|
Bank 0 & 1 = 41256 |
Off |
On |
Off |
On |
Off |
On |
Off |
On |
|
Bank 2 & 3 = 4164 |
Off |
On |
Off |
On |
Off |
On |
Off |
On |
|
DRAM SWITCH CONFIGURATION | ||||||||
|
Size |
SW3/1 |
SW3/2 |
SW3/3 |
SW3/4 |
SW3/5 |
SW3/6 |
SW3/7 |
SW3/8 |
|
Bank 0 & 1 = 4164 |
On |
Off |
On |
Off |
On |
Off |
On |
Off |
|
Bank 2 & 3 = 4164 |
On |
Off |
On |
Off |
On |
Off |
On |
Off |
|
DRAM SWITCH CONFIGURATION (CONT) | ||||||||
|
Size |
SW4/1 |
SW4/2 |
SW4/3 |
SW4/4 |
SW4/5 |
SW4/6 |
SW4/7 |
SW4/8 |
|
Bank 0 & 1 = 4164 |
On |
Off |
On |
Off |
On |
Off |
On |
Off |
|
Bank 2 & 3 = 4164 |
On |
Off |
On |
Off |
On |
Off |
On |
Off |
|
MONITOR CONFIGURATION | ||
|
Type |
SW2/5 |
SW2/6 |
|
Monochrome |
Off |
Off |
|
40 x 25 color |
Off |
On |
|
80 x 25 color |
On |
Off |
|
FLOPPY DRIVE CONFIGURATION | ||
|
Type |
SW2/7 |
SW2/8 |
|
1 |
On |
On |
|
2 |
Off |
On |
|
3 |
On |
Off |
|
4 |
Off |
Off |