ACER AMERICA CORPORATION
1100 16/20
Processor |
80386SX |
Processor Speed |
16/20MHz |
Chip Set |
Unidentified |
Video Chip Set |
None |
Maximum Onboard Memory |
2MB |
Maximum Video Memory |
None |
Cache |
None |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
80387SX |
CONNECTIONS | |
Purpose |
Location |
External battery |
CN1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
Monitor type select MDA/MGA/EGA |
SW1/5 |
Off | |
Monitor type select CGA |
SW1/5 |
On |
DRAM CONFIGURATION |
Note: Board is shipped with 2MB. The orientation and bank location is unidentified. |
DRAM SWITCH CONFIGURATION | ||
Setting |
SW1/7 |
SW1/8 |
Mode 3 |
Off |
On |
Mode 4 |
Off |
Off |
Note: BIOS resides in ROM in mode 3. In mode 4, it is transferred to RAM. |
CPU SPEED SELECTION | |
Speed |
SW1/6 |
Smart mode |
On |
16MHz |
Off |
20MHz |
Off |
Note: If smart mode is used, system will automatically switch from 16MHz/20MHz to 8MHz. |
NPU TYPE SELECTION | |||
Type |
JP6 |
JP7 |
JP8 |
80387SX installed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
80387SX not installed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
BIOS SELECTION | |||||
Type |
JP5 |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
27128 |
2 & 3 |
On |
On |
Off |
Off |
27256 |
2 & 3 |
Off |
Off |
On |
On |
27512 |
1 & 2 |
Off |
Off |
On |
On |
Note: Pins designated should be in the closed position. |
MISCELLANEOUS TECHNICAL NOTE |
Note: The location of pin 1 on the jumpers and switch are unidentified. |