PC'S LIMITED, INC.
TURBO PC
|
Processor |
8088-2 |
|
Processor Speed |
7.33MHz |
|
Chip Set |
None |
|
Max. Onboard DRAM |
640KB |
|
Cache |
None |
|
BIOS |
PC's Ltd. |
|
Dimensions |
355mm x 304mm |
|
I/O Options |
None |
|
NPU Options |
8087 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J2 |
Reset switch |
JP1 |
|
Turbo LED & Power LED |
J3 |
Alternate DC power plug |
P3 |
|
Note:P3 may not be present on all boards. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Factory configured - do not alter |
J5 |
Open | |
|
CPU speed select fast |
J6 |
pins 1 & 2 closed | |
|
CPU speed select slow |
J6 |
pins 2 & 3 closed | |
|
Self-test disabled |
SW2/1 |
On | |
|
Self-test enabled |
SW2/1 |
Off | |
|
NPU disabled |
SW2/2 |
On | |
|
NPU enabled |
SW2/2 |
Off | |
|
Factory configured - do not alter |
SW2/4 |
Off | |
|
Color adjust |
VC1 |
Variable | |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
256KB |
(9) 41256 |
NONE |
NONE |
|
640KB |
(9) 41256 |
(9) 41256 |
(18) 4164 |
|
DRAM JUMPER CONFIGURATION | |
|
Size |
J4 |
|
256KB |
pins 2 & 3 closed |
|
640KB |
pins 1 & 2 closed |
|
DRAM SWITCH CONFIGURATION | |||||||||
|
Size |
SW2/3 |
SW3/1 |
SW3/2 |
SW3/3 |
SW3/4 |
SW3/5 |
SW3/6 |
SW3/7 |
SW3/8 |
|
256KB |
On |
On |
Off |
On |
Off |
On |
Off |
On |
Off |
|
640KB |
Off |
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 |
|
256KB |
On |
Off |
On |
Off |
On |
Off |
On |
Off |
|
640KB |
Off |
On |
Off |
On |
Off |
On |
Off |
On |
|
FLOPPY DRIVE CONFIGURATION | ||
|
Drives installed |
SW2/7 |
SW2/8 |
|
1 |
On |
On |
|
2 |
Off |
On |
|
3 |
On |
Off |
|
4 |
Off |
Off |
|
MONITOR CONFIGURATION | ||
|
Type |
SW2/5 |
SW2/6 |
|
Monochrome |
Off |
Off |
|
40 x 25 color |
Off |
On |
|
80 x 25 color |
On |
Off |