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. |