MYLEX CORPORATION
MAE486
| 
 Processor  | 
 80486DX  | 
| 
 Processor Speed  | 
 25/33MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Max. Onboard DRAM  | 
 32MB  | 
| 
 Cache  | 
 128KB  | 
| 
 BIOS  | 
 Mylex/Phoenix  | 
| 
 Dimensions  | 
 355mm x 304mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 4167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Speaker  | 
 P11  | 
 Turbo LED  | 
 P13  | 
| 
 Power LED & keylock  | 
 P12  | 
 Reset switch  | 
 P14  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Cache enabled  | 
 J1  | 
 Closed  | 
| 
 Cache disabled  | 
 J1  | 
 Open  | |
| » | 
 CPU speed select 33MHz  | 
 J2  | 
 pins 1 & 2 closed  | 
| 
 CPU speed select 25MHz  | 
 J2  | 
 pins 2 & 3 closed  | |
| » | 
 Factory configured - do not alter  | 
 J15  | 
 pins 2 & 3 closed  | 
| » | 
 Factory configured - do not alter  | 
 J16  | 
 pins 2 & 3 closed  | 
| 
 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  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 DRAM JUMPER CONFIGURATION  | ||||||||||
| 
 Size  | 
 J3  | 
 J4  | 
 J5  | 
 J6  | 
 J7  | 
 J8  | 
 J9  | 
 J10  | 
 J11  | 
 J12  | 
| 
 1MB  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
| 
 2MB  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
 1 & 2  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
| 
 4MB  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
| 
 8MB  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 16MB  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 32MB  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Closed  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
| 
 Note:Pins designated should be in the closed position.  | ||||||||||
| 
 CACHE CONFIGURATION  | |
| 
 Size  | 
 Bank 0  | 
| 
 128KB  | 
 (16) 8K x 8  |