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 (CON’T) | ||||||||
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 |