PIONEER COMPUTER, INC.
VANTAGE 486WB 25/33/50
| 
 Processor  | 
 80486DX  | 
| 
 Processor Speed  | 
 25/33/50MHz  | 
| 
 Chip Set  | 
 OPTI  | 
| 
 Max. Onboard DRAM  | 
 32MB  | 
| 
 Cache  | 
 64/256KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 4167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Turbo LED  | 
 J1  | 
 Power LED & keylock  | 
 J4  | 
| 
 Reset switch  | 
 J2  | 
 External battery  | 
 J5  | 
| 
 Speaker  | 
 J3  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 CMOS memory normal operation  | 
 JP18  | 
 pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 JP18  | 
 pins 2 & 3 closed  | |
| » | 
 Factory configured - do not alter  | 
 JP19  | 
 Open  | 
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 5MB  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 20MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 CACHE CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 TAG  | 
| 
 64KB  | 
 (8) 8K x 8  | 
 (3) 16K x 4  | 
| 
 256KB  | 
 (8) 32K x 8  | 
 (3) 16K x 4  | 
| 
 CACHE JUMPER CONFIGURATION  | |||
| 
 Size  | 
 JP1  | 
 JP11  | 
 JP15  | 
| 
 64KB  | 
 Open  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 256KB  | 
 Closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |