JOY SYSTEMS, INC.
JOY 286-12
| 
 Processor  | 
 80286  | 
| 
 Processor Speed  | 
 12MHz  | 
| 
 Chip Set  | 
 None  | 
| 
 Max. Onboard DRAM  | 
 1MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Power LED (+5V)  | 
 J1 pin 1  | 
 Keylock  | 
 J1 pin 7  | 
| 
 Slow LED (+5V)  | 
 J1 pin 2  | 
 VCC  | 
 J1 pin 11  | 
| 
 Fast LED (-5V)  | 
 J1 pin 3  | 
 Speaker  | 
 J2  | 
| 
 Reset switch  | 
 J1 pin 6  | 
 External battery  | 
 J4  | 
| 
 GND  | 
 J1 pins 5, 8, 9, 15, & 16  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| » | 
 Monitor type select monochrome  | 
 SW1/1  | 
 Open  | 
| 
 Monitor type select color  | 
 SW1/1  | 
 Closed  | |
| » | 
 Factory configured - do not alter  | 
 W1  | 
 N/A  | 
| » | 
 8-bit bus slot access 6 wait states  | 
 W2  | 
 pins 5 & 6 closed  | 
| 
 8-bit bus slot access 5 wait states  | 
 W2  | 
 pins 3 & 4 closed  | |
| 
 8-bit bus slot access 4 wait states  | 
 W2  | 
 pins 1 & 2 closed  | |
| » | 
 16-bit bus slot access 2 wait states  | 
 W3  | 
 pins 5 & 6 closed  | 
| 
 16-bit bus slot access 1 wait states  | 
 W3  | 
 pins 7 & 8 closed  | |
| 
 16-bit bus slot access 3 wait states  | 
 W3  | 
 pins 3 & 4 closed  | |
| 
 16-bit bus slot access 4 wait states  | 
 W3  | 
 pins 1 & 2 closed  | |
| » | 
 Factory configured - do not alter  | 
 W4  | 
 N/A  | 
| » | 
 Factory configured - do not alter  | 
 W5  | 
 N/A  | 
| » | 
 Factory configured - do not alter  | 
 W6  | 
 pins 1 & 2 open  | 
| » | 
 Factory configured - do not alter  | 
 W6  | 
 pins 5 & 6 open  | 
| » | 
 Factory configured - do not alter  | 
 W6  | 
 pins 7 & 8 closed  | 
| » | 
 Factory configured - do not alter  | 
 W7  | 
 pins 2 & 3 closed  | 
| » | 
 Factory configured - do not alter  | 
 W8  | 
 pins 2 & 3 closed  | 
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 512KB  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 1MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 DRAM JUMPER CONFIGURATION  | |
| 
 Size  | 
 W6  | 
| 
 512KB  | 
 pins 3 & 4 closed  | 
| 
 1MB  | 
 pins 3 & 4 open  |