PC BRAND
LEADER
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 25/33MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 16MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 220mm x 220mm  | 
| 
 I/O Options  | 
 Parallel port, serial ports (2), game port, IDE interface, floppy drive interface, riser slot  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 IDE interface LED  | 
 J3  | 
| 
 Serial port 2  | 
 CN2  | 
 Reset switch  | 
 J4  | 
| 
 Parallel port  | 
 CN3  | 
 Power LED & keylock  | 
 J5  | 
| 
 Floppy drive interface  | 
 CN4  | 
 Speaker  | 
 JP9  | 
| 
 Game port  | 
 CN5  | 
 Turbo switch  | 
 JP10  | 
| 
 IDE interface  | 
 CN6  | 
 Turbo LED  | 
 JP11  | 
| 
 External battery  | 
 J2  | 
 Riser Card  | 
 SL1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Battery type select internal  | 
 JP2  | 
 pins 1 & 2 closed  | 
| 
 Battery type select external  | 
 JP2  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 CMOS memory normal operation  | 
 JP4  | 
 pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 JP4  | 
 pins 3 & 4 closed  | |
| 
 »  | 
 Turbo enabled  | 
 JP5  | 
 pins 2 & 3 closed  | 
| 
 Turbo disabled  | 
 JP5  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 Speaker type select internal buzzer  | 
 JP9  | 
 pins 1 & 2 closed  | 
| 
 Speaker type select external speaker  | 
 JP9  | 
 Open  | |
| 
 »  | 
 Serial port 1 enabled  | 
 JP12  | 
 Open  | 
| 
 Serial port 1 disabled  | 
 JP12  | 
 Closed  | |
| 
 »  | 
 Serial port 2 enabled  | 
 JP13  | 
 Open  | 
| 
 Serial port 2 disabled  | 
 JP13  | 
 Closed  | |
| 
 »  | 
 Floppy drive interface enabled  | 
 JP14  | 
 Open  | 
| 
 Floppy drive interface disabled  | 
 JP14  | 
 Closed  | |
| 
 »  | 
 Parallel port LPT select LPT1  | 
 JP15  | 
 Open  | 
| 
 Parallel port LPT select LPT2  | 
 JP15  | 
 Closed  | |
| 
 »  | 
 IDE interface enabled  | 
 JP16  | 
 Open  | 
| 
 IDE interface disabled  | 
 JP16  | 
 Closed  | |
| 
 »  | 
 Game port enabled  | 
 JP17  | 
 Open  | 
| 
 Game port disabled  | 
 JP17  | 
 Closed  | |
| 
 »  | 
 Security disabled  | 
 JP18  | 
 Open  | 
| 
 Security enabled  | 
 JP18  | 
 Closed  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 512KB  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 1MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 2MB  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 8MB  | 
 (2) 4M x 9  | 
 NONE  | 
| 
 16MB  | 
 (2) 4M x 9  | 
 (2) 4M x 9  | 
| 
 CPU SPEED CONFIGURATION  | |
| 
 Speed  | 
 JP6  | 
| 
 25MHz  | 
 pins 2 & 3 closed  | 
| 
 33MHz  | 
 pins 1 & 2 closed  | 
| 
 MISCELLANEOUS TECHNICAL NOTE  | 
| 
 Note: The location of pin 1 is unidentified.  |