UNIDENTIFIED
NEAT 286 VER. 3
|
Processor |
80286 (exact location unknown) |
|
Processor Speed |
12/16/20MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
8MB |
|
Cache |
None |
|
BIOS |
AMI/Neat |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 (exact location unknown) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JP3 |
Turbo LED |
JP13 |
|
Turbo switch |
JP10 |
Power LED & keylock |
JP14 |
|
Reset switch |
JP11 |
Speaker |
JP16 |
|
Turbo LED |
JP12 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Battery type select internal |
JP1 |
pins 1 & 2 closed |
|
Battery type select external |
JP1 |
pins 2 & 3 closed | |
|
» |
Monitor type select monochrome |
JP5 |
pins 1 & 2 closed |
|
Monitor type select color |
JP5 |
pins 2 & 3 closed | |
|
» |
BIOS type select27128 |
JP6 |
Open |
|
BIOS type select 27256 |
JP6 |
Closed | |
|
» |
Turbo disabled |
JP10 |
Closed |
|
Turbo enabled |
JP10 |
Open | |
|
DRAM CONFIGURATION (SETTING 1) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(2) 256K x 9 |
NONE |
NONE |
NONE |
|
640KB |
(2) 256K x 9 |
(2) 64K x 9 |
NONE |
NONE |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
|
1.5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(18) 41256 |
NONE |
|
1.64MB |
(2) 256K x 9 |
(2) 64K x 9 |
(18) 41256 |
(18) 41256 |
|
2MB |
(2) 1M x 9 |
NONE |
NONE |
NONE |
|
2MB |
(2) 256K x 9 |
(2) 256K x 9 |
(18) 41256 |
(18) 41256 |
|
3MB |
(2) 256K x 9 |
(2) 256K x 9 |
(18) 44256 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
|
4.64MB |
(2) 256K x 9 |
(2) 64K x 9 |
(18) 44256 |
(18) 44256 |
|
5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(18) 44256 |
(18) 44256 |
|
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
(18) 44256 |
NONE |
|
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(18) 44256 |
(18) 44256 |
|
DRAM CONFIGURATION (SETTING 2) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
520KB |
NONE |
NONE |
(18) 41256 |
NONE |
|
640KB |
NONE |
NONE |
(18) 41256 |
(18) 4164 |
|
1MB |
NONE |
NONE |
(18) 41256 |
(18) 44256 |
|
2MB |
NONE |
NONE |
(18) 44256 |
NONE |
|
4MB |
NONE |
NONE |
(18) 44256 |
(18) 44256 |
|
DRAM JUMPER CONFIGURATION | ||
|
Setting |
JP9A |
JP9B |
|
1 |
Open |
pins 1 & 2, 3 & 4, 5 & 6 closed |
|
2 |
pins 1 & 2, 3 & 4, 5 & 6 closed |
Open |