DIAMOND FLOWER, INC.
386SX-16/20/25DN
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 16/20/25MHz  | 
| 
 Chip Set  | 
 Diamond Flower  | 
| 
 Max. Onboard DRAM  | 
 16MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 241mm x 220mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80387SX  | 

| 
 CONNECTIONS  | 
|||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Keyboard connector  | 
 J1  | 
 Speaker  | 
 J5  | 
| 
 Reset switch  | 
 J2  | 
 Power LED & keylock  | 
 J6  | 
| 
 Turbo switch  | 
 J3  | 
 External battery  | 
 J9  | 
| 
 Turbo LED  | 
 J4  | 
 
  | 
 
  | 
| 
 USER CONFIGURABLE SETTINGS  | 
|||
| 
 Function  | 
 Jumper  | 
 Position  | 
|
| 
 »  | 
 Monitor type select color  | 
 J7  | 
 closed  | 
| 
 
  | 
 Monitor type select monochrome  | 
 J7  | 
 open  | 
| 
 »  | 
 CMOS memory normal operation (Internal Battery)  | 
 J8  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 CMOS memory normal operation (External Battery)  | 
 J8  | 
 pins 2 & 3 closed  | 
| 
 
  | 
 CMOS memory clear  | 
 J8  | 
 Open  | 
| 
 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  | 
| 
 2.5MB  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 3MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 4.5MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 5MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 6MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 8MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 8MB  | 
 (2) 4M x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 10MB  | 
 (2) 1M x 9  | 
 (2) 4M x 9  | 
 NONE  | 
 NONE  | 
| 
 16MB  | 
 (2) 4M x 9  | 
 (2) 4M x 9  | 
 NONE  | 
 NONE  | 
| 
 REFRESH TYPE CONFIGURATION  | 
|||
| 
 Type  | 
 J9  | 
 J10  | 
|
| 
 »  | 
 Burst refresh (90 µs)  | 
 Closed  | 
 Open  | 
| 
 
  | 
 Fast refresh (30 µs)  | 
 Open  | 
 Closed  | 
| 
 
  | 
 Standard refresh (15 µs)  | 
 Open  | 
 Open  | 
| 
 
  | 
 Fast burst refresh (180 µs)  | 
 Closed  | 
 Closed  |