UNIDENTIFIED
TURBO XT
Processor |
8088 |
Processor Speed |
8/10MHz |
Chip Set |
None |
Max. Onboard DRAM |
640MB |
Cache |
None |
BIOS |
ERSO/DTK |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
8087 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Speaker |
P4 |
Turbo switch |
JP7 |
Turbo switch |
JP5 |
Keylock |
JP8 |
Turbo switch |
JP6 |
Power LED & Turbo LED |
JP9 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
|
Factory configured - do not alter |
JP1 |
N/A |
|
Factory configured - do not alter |
SW1/switch 1 |
Off |
|
NPU enabled |
SW1/switch 2 |
Off |
NPU disabled |
SW1/switch 2 |
On |
DRAM CONFIGURATION | ||||||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
JP3 |
JP3A |
JP4 |
JP4A |
256KB |
(8) 4164 |
(8) 4164 |
(8) 4164 |
(8) 4164 |
Open |
Closed |
Open |
Closed |
256KB |
(8) 41256 |
NONE |
NONE |
NONE |
Closed |
Open |
Closed |
Open |
512KB |
(8) 41256 |
(8) 41256 |
NONE |
NONE |
Closed |
Open |
Closed |
Open |
640KB |
(8) 41256 |
(8) 41256 |
(8) 4164 |
(8) 4164 |
Closed |
Open |
Closed |
Open |
DRAM JUMPER CONFIGURATION | ||
Size |
SW1/switch 3 |
SW1/switch 4 |
128KB |
Off |
On |
192KB |
On |
Off |
256KB |
Off |
Off |
MONITOR TYPE SELECTION | ||
Type |
SW1/switch 5 |
SW1/switch 6 |
None |
On |
On |
Monochrome |
Off |
Off |
Color 40 x 25 |
Off |
On |
Color 80 x 25 |
On |
Off |
FLOPPY DRIVE CONFIGURATION | ||
Number of drives |
SW1/switch 7 |
SW1/switch 8 |
1 |
On |
On |
2 |
Off |
On |
3 |
On |
Off |
4 |
Off |
Off |