AMERICAN MEGATRENDS, INC.
AMI 386SX-I
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 16/20MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Max. Onboard DRAM  | 
 8MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J5  | 
 Turbo LED  | 
 J14  | 
| 
 Speaker  | 
 J10  | 
 Turbo switch  | 
 J18  | 
| 
 Power LED & keylock  | 
 J11  | 
 Reset switch  | 
 J19  | 
| 
 USER CONFIGURABLE SETTINGS  | ||||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | ||
| » | 
 Keyboard reset enabled  | 
 J2  | 
 Closed  | |
| 
 Keyboard reset disabled  | 
 J2  | 
 Open  | ||
| » | 
 Factory configured - do not alter  | 
 J17  | 
 N/A  | |
| » | 
 BIOS type select 2764 or 27128  | 
 J26  | 
 pins 1 & 2 closed  | |
| 
 BIOS type select 27256  | 
 J26  | 
 pins 2 & 3 closed  | ||
| » | 
 Factory configured - do not alter  | 
 SW1/1  | 
 Off  | |
| » | 
 Monitor type select monochrome  | 
 SW1/2  | 
 Off  | |
| 
 Monitor type select color  | 
 SW1/2  | 
 On  | ||
| 
 Note : The location of J17 is unidentified.  | ||||
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 512KB  | 
 (2) 256K x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 1MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 2MB  | 
 (2) 1M x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 8MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 DRAM SPEED CONFIGURATION  | ||
| 
 Speed  | 
 J8  | 
 J9  | 
| 
 100ns fast page  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 100ns  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 120ns  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |