LASER COMPUTER, INC.
LASER 8088 MAIN BOARD (VER. 1)
Processor |
8088 |
Processor Speed |
10MHz |
Chipset |
Unidentified |
Maximum Onboard Memory |
1664KB DRAM |
BIOS |
Unidentified |
Dimensions |
270 x 218mm |
I/O Options |
None |
NPU Options |
8087 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Speaker |
J11 |
Power LED & keylock |
J12 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Factory configured - do not alter |
SW1/1 |
Off |
» |
NPU not installed |
SW1/2 |
Off |
NPU installed |
SW1/2 |
On | |
» |
Factory configured - do not alter |
SW2/7 |
N/A |
» |
Factory configured - do not alter |
SW2/8 |
N/A |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
256KB |
(9) 41256 |
None |
None |
None |
512KB |
(9) 41256 |
(9) 41256 |
None |
None |
576KB |
(9) 41256 |
(9) 41256 |
(9) 4164 |
None |
640KB |
(9) 41256 |
(9) 41256 |
(9) 4164 |
(9) 4164 |
896KB |
(9) 41256 |
(9) 41256 |
(9) 4164 |
(9) 4164 |
1152KB |
(9) 41256 |
(9) 41256 |
(9) 4164 |
(9) 4164 |
1408KB |
(9) 41256 |
(9) 41256 |
(9) 4164 |
(9) 4164 |
1664KB |
(9) 41256 |
(9) 41256 |
(9) 4164 |
(9) 4164 |
DRAM CONFIGURATION | ||||
Size |
Bank 4 |
Bank 5 |
Bank 6 |
Bank 7 |
256KB |
None |
None |
None |
None |
512KB |
None |
None |
None |
None |
576KB |
None |
None |
None |
None |
640KB |
None |
None |
None |
None |
896KB |
(9) 4164 |
None |
None |
None |
1152KB |
(9) 4164 |
(9) 4164 |
None |
None |
1408KB |
(9) 4164 |
(9) 4164 |
(9) 4164 |
None |
1664KB |
(9) 4164 |
(9) 4164 |
(9) 4164 |
(9) 4164 |
DRAM CONFIGURATION | ||
Size |
SW1/3 |
SW1/4 |
256KB |
On |
On |
512KB |
Off |
On |
576KB |
On |
Off |
640KB |
Off |
Off |
896KB |
Off |
Off |
1152KB |
Off |
Off |
1408KB |
Off |
Off |
1664KB |
Off |
Off |
EXPANDED MEMORY BANK 4 AND 5 ADDRESS | |||
Setting |
SW2/1 |
SW2/2 |
SW2/3 |
208h |
Off |
On |
On |
218h |
On |
Off |
On |
258h |
Off |
Off |
On |
268h |
On |
On |
Off |
2A8h |
Off |
On |
Off |
2B8h |
On |
Off |
Off |
2E8h |
Off |
Off |
Off |
Disabled |
On |
On |
On |
EXPANDED MEMORY BANK 6 AND 7 ADDRESS | |||
Setting |
SW2/4 |
SW2/5 |
SW2/6 |
208h |
Off |
On |
On |
218h |
On |
Off |
On |
258h |
Off |
Off |
On |
268h |
On |
On |
Off |
2A8h |
Off |
On |
Off |
2B8h |
On |
Off |
Off |
2E8h |
Off |
Off |
Off |
Disabled |
On |
On |
On |
FLOPPY DRIVE CONFIGURATION | ||
Setting |
SW1/7 |
SW1/8 |
1 drive attached |
On |
On |
2 drives attached |
Off |
On |
3 drives attached |
On |
Off |
4 drives attached |
Off |
Off |
MONITOR TYPE SELECTION | ||
Setting |
SW1/5 |
SW1/6 |
Monochrome |
Off |
Off |
CGA, 40 x 25 |
Off |
On |
CGA, 80 x 25 |
On |
Off |
EGA or no monitor |
On |
On |