UNIDENTIFIED
EAT-12
|
Processor |
80286 |
|
Processor Speed |
12MHz |
|
Chip Set |
None |
|
Max. onboard DRAM |
2MB |
|
Cache |
None |
|
BIOS |
Unknown |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
JP1 |
Reset |
JP10 |
|
Power LED & keylock |
JP4 |
Turbo switch |
JP12 |
|
External battery |
JP8 |
Speaker |
JP13 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
BIOS type select 27256 |
JP2 |
pins 1 & 2 closed | |
|
BIOS type select 27128 |
JP2 |
pins 2 & 3 closed | |
|
Monitor type select color |
JP3 |
pins 2 & 3 closed | |
|
Monitor type select monochrome |
JP3 |
pins 1 & 2 closed | |
|
Speed select via keyboard enabled |
JP5 |
pins 1 & 2 closed | |
|
Speed select via keyboard disabled |
JP5 |
pins 2 & 3 closed | |
|
Battery type select onboard |
JP7 |
pins 2 & 3 closed | |
|
Battery type select external |
JP7 |
pins 1 & 2 closed | |
|
Power good signal detect from board |
JP9 |
pins 1 & 2 closed | |
|
Power good signal detect from power supply |
JP9 |
pins 2 & 3 closed | |
|
Parity check disabled |
JP14 |
pins 2 & 3 closed | |
|
Parity check enabled |
JP14 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
SW1/switch 3 |
Off | |
|
RAM select 0 wait states |
SW1/switch 4 |
Off | |
|
RAM select 1 wait state |
SW1/switch 4 |
On | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(4) 44256 |
NONE |
NONE |
NONE |
|
640KB |
(4) 44256 |
(4) 4464 |
NONE |
NONE |
|
1024KB |
(4) 44256 |
(4) 44256 |
NONE |
NONE |
|
1152KB |
(4) 44256 |
(4) 44256 |
(4) 4464 |
NONE |
|
1536KB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
NONE |
|
1664KB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
(4) 4464 |
|
2048KB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
(4) 44256 |
|
DRAM SWITCH CONFIGURATION | ||||
|
Size |
System RAM |
Extended RAM |
SW1/1 |
SW1/2 |
|
512KB |
512KB |
0KB |
On |
On |
|
640KB |
640KB |
0KB |
On |
Off |
|
1024KB |
640KB |
384KB |
On |
Off |
|
1152KB |
640KB |
512KB |
Off |
On |
|
1536KB |
640KB |
896KB |
Off |
On |
|
1664KB |
640KB |
1024KB |
Off |
Off |
|
2048KB |
640KB |
1408KB |
Off |
Off |