UNIDENTIFIED
CHARISMA 286 MINI AT
|
Processor |
80286 |
|
Processor Speed |
12MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
1MB |
|
Cache |
None |
|
BIOS |
Award |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
P1 |
Power LED & keylock |
P4 |
|
Turbo LED |
P2 |
External battery |
P8 |
|
Reset switch |
P3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
CPU speed select switchable at keyboard |
J1 |
pins 2 & 3 closed | |
|
Power good signal detect from board |
JP14 |
pins 1 & 2 closed | |
|
Power good signal detect from power supply |
JP14 |
pins 2 & 3 closed | |
|
BIOS type select 27128 |
J15 |
pins 1 & 2 closed | |
|
BIOS type select 27256 |
J15 |
pins 2 & 3 closed | |
|
Monitor type select monochrome |
SW1/6 |
Off | |
|
Monitor type select CGA or EGA |
SW1/6 |
On | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
256KB |
(18) 4164 |
(18) 4164 |
|
512KB |
(18) 41256 |
none |
|
640KB |
(18) 41256 |
(18) 4164 |
|
1MB |
(18) 41256 |
(18) 41256 |
|
DRAM SWITCH CONFIGURATION | ||
|
Size |
SW1/3 |
SW1/4 |
|
256KB |
Closed |
Closed |
|
512KB |
Open |
Closed |
|
640KB |
Closed |
Open |
|
1MB |
Open |
Open |
|
DRAM WAIT STATE CONFIGURATION | ||
|
Wait states |
J2 |
J8 |
|
0 |
Closed |
Closed |
|
1 |
Open |
Open |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
J1 |
J5 |
J11 |
|
6MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
8MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
10MHz |
Open |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
12MHz |
Open |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
NPU SPEED CONFIGURATION | |||
|
NPU speed |
CPU speed |
J6 |
J7 |
|
6MHz |
10MHz |
pins 2 & 3 closed |
Closed |
|
6MHz |
8MHz |
pins 2 & 3 closed |
Closed |
|
8MHz |
12MHz |
pins 2 & 3 closed |
Closed |
|
10MHz |
10MHz |
pins 1 & 2 closed |
Open |
|
BATTERY CONFIGURATION | ||
|
Type |
J12 |
J13 |
|
External alkaline (6V) |
Open |
Open |
|
External lithium (6V) |
Open |
pins 1 & 2 closed |
|
Internal double lithium (3V each) |
pins 1 & 2 closed |
Closed |
|
PROPRIETARY BUS CONFIGURATION | ||
|
Bus mode |
SW1/1 |
SW1/2 |
|
0 |
On |
On |
|
1 |
Off |
On |
|
2 |
On |
Off |
|
3 |
Off |
Off |