UNIDENTIFIED
LM403
|
Processor |
80286 |
|
Processor Speed |
16/20MHz |
|
Chip Set |
Acer |
|
Max. Onboard DRAM |
4MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
240mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Reset switch |
J4 |
|
Speaker |
J2 |
Turbo switch |
J5 |
|
Turbo LED |
J3 |
External battery |
JP5 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
I/O bus speed select ATCLK/4 |
JP2 |
Open |
|
I/O bus speed select ATCLK/2 |
JP2 |
Closed | |
|
» |
Parity disabled |
JP3 |
Closed |
|
Parity enabled |
JP3 |
Open | |
|
» |
Monitor type select monochrome |
JP4 |
pins 1 & 2 closed |
|
Monitor type select color |
JP4 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||||
|
Size |
Bank 0 |
Parity 0 |
Bank 1 |
Parity 1 |
Bank 2 |
Bank 3 |
|
512KB |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
NONE |
NONE |
|
512KB |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
NONE |
|
1MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
|
1MB |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
NONE |
|
4MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |