INFORMTECH INTERNATIONAL, INC.
IT386SX
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 8/16/20MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Max. Onboard DRAM  | 
 2MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 32-bit external memory card  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Turbo LED  | 
 P2  | 
 External battery  | 
 P8  | 
| 
 Speaker  | 
 P3  | 
 Keyboard connector  | 
 J9  | 
| 
 Reset switch  | 
 P4  | 
 32-bit external memory card  | 
 SL1  | 
| 
 Power LED & keylock  | 
 P5  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Keyboard controller clock speed select 6MHz  | 
 J5  | 
 pins 1 & 2 closed  | 
| 
 Keyboard controller clock speed select 12MHz  | 
 J5  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Power good signal detect from board  | 
 J8  | 
 pins 1 & 2 closed  | 
| 
 Power good signal detect from power supply  | 
 J8  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Monitor type select color  | 
 J19  | 
 Closed  | 
| 
 Monitor type select monochrome  | 
 J19  | 
 Open  | |
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Parity 0  | 
 Bank 1  | 
 Parity 1  | 
| 
 1MB  | 
 (8) 44256  | 
 (4) 41256  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 (8) 44256  | 
 (4) 41256  | 
 (8) 44256  | 
 (4) 41256  | 
| 
 CPU SPEED CONFIGURATION  | |||||
| 
 CPU Speed  | 
 Clock speed  | 
 J2  | 
 J10  | 
 J13  | 
 J14  | 
| 
 8MHz  | 
 8MHz  | 
 1 & 2  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 16MHz  | 
 8MHz  | 
 1 & 2  | 
 1 & 2  | 
 Open  | 
 Open  | 
| 
 16MHz  | 
 12MHz  | 
 2 & 3  | 
 1 & 2  | 
 Open  | 
 Open  | 
| 
 20MHz  | 
 8MHz  | 
 1 & 2  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 20MHz  | 
 10MHz  | 
 Open  | 
 2 & 3  | 
 Closed  | 
 Open  | 
| 
 20MHz  | 
 12MHz  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 Note: Pins designated should be in the closed position.  | |||||
| 
 BATTERY TYPE CONFIGURATION  | |
| 
 Type  | 
 J7  | 
| 
 3.6v (without limiting resistor)  | 
 pins 1 & 2 closed  | 
| 
 4.5v  | 
 pins 1 & 3 closed  | 
| 
 6v (with limiting resistor)  | 
 pins 3 & 4 closed  | 
| 
 6v  | 
 Open  |