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  |