CORONA COMPTER CORPORATION
PORTABLE PC
|
Processor |
8088 |
|
Processor Speed |
Unidentified |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
512KB |
|
Maximum Video Memory |
Unidentified |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
355mm x 304mm |
|
I/O Options |
Floppy drive interface, serial ports (2), light pen connector |
|
NPU Options |
8087 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port |
J7 |
Light pen connector |
P2 |
|
Serial port |
J8 |
Speaker |
P3 |
|
Floppy drive interface |
J9 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Factory configured do not alter |
J1 |
Unidentified |
|
|
Factory configured do not alter |
J2 |
Unidentified |
|
BIOS type select 8KB |
JP1 |
Closed | |
|
BIOS type select 16KB |
JP1 |
Open | |
|
Keyboard voltage select 12v |
JP2 |
Pins 1 & 2 closed | |
|
Keyboard voltage select 5v |
JP2 |
Pins 2 & 3 closed | |
|
|
Factory configured do not alter |
P4 |
Unidentified |
|
|
Factory configured do not alter |
P5 |
Unidentified |
|
NPU not installed |
S2/1 |
On | |
|
NPU installed |
S2/1 |
Off | |
|
Floppy drives installed 1 |
S2/2 |
On | |
|
Floppy drives installed 2 |
S2/2 |
Off | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
128KB |
(16) 4164 |
None |
None |
None |
|
256KB |
(16) 4164 |
(16) 4164 |
None |
None |
|
384KB |
(16) 4164 |
(16) 4164 |
(16) 4164 |
None |
|
512KB |
(16) 4164 |
(16) 4164 |
(16) 4164 |
(16) 4164 |
|
Note: The location of banks 0, 1, 2 & 3 are unidentified. | ||||
|
DRAM SWITCH CONFIGURATION | ||
|
Size |
S2/5 |
S2/6 |
|
128KB |
On |
On |
|
256KB |
Off |
On |
|
384KB |
Off |
Off |
|
512KB |
Off |
Off |
|
MONITOR SELECTION | ||
|
Setting |
S2/3 |
S2/4 |
|
None |
On |
On |
|
Color (40 x 25) |
Off |
On |
|
Color (80 x 25) |
On |
Off |
|
Monochrome |
Off |
Off |