MICRONICS COMPUTERS, INC.
80486 ASIC ISA
| 
 Processor  | 
 80486DX  | 
| 
 Processor Speed  | 
 25/33MHz  | 
| 
 Chip Set  | 
 Micronics  | 
| 
 Max. Onboard DRAM  | 
 64MB  | 
| 
 Cache  | 
 64/128/256KB  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 350mm x 304mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 4167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J13  | 
 Turbo LED  | 
 W9  | 
| 
 Speaker  | 
 J30  | 
 Reset switch  | 
 W10  | 
| 
 Power LED & keylock  | 
 J31  | 
 Turbo switch  | 
 W11  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Switch  | 
 Position  | |
| » | 
 Factory configured - do not alter  | 
 SW1/1  | 
 Off  | 
| » | 
 Factory configured - do not alter  | 
 SW1/2  | 
 Off  | 
| » | 
 Factory configured - do not alter  | 
 SW1/3  | 
 Off  | 
| » | 
 Factory configured - do not alter  | 
 SW1/4  | 
 Off  | 
| » | 
 Factory configured - do not alter  | 
 SW1/5  | 
 Off  | 
| » | 
 CPU speed select 25MHz  | 
 SW1/6  | 
 On  | 
| 
 CPU speed select 33MHz  | 
 SW1/6  | 
 Off  | |
| » | 
 Video BIOS cacheing enabled  | 
 SW1/7  | 
 Off  | 
| 
 Video BIOS cacheing disabled  | 
 SW1/7  | 
 On  | |
| » | 
 Factory configured - do not alter  | 
 SW1/8  | 
 Off  | 
| » | 
 DRAM speed select 0 wait states  | 
 SW2/6  | 
 Off  | 
| 
 DRAM speed select 1 wait state  | 
 SW2/6  | 
 On  | |
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 NONE  | 
 NONE  | 
| 
 3MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 NONE  | 
| 
 4MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 5MB  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 6MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 7MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 9MB  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 10MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 12MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 13MB  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 20MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 NONE  | 
 NONE  | 
| 
 24MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 28MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 NONE  | 
 NONE  | 
| 
 36MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 40MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 DRAM CONFIGURATION (CON’T)  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 48MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 52MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 64MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 Note:If using 16MB or more you must disable BIOS shadowing.  | ||||
| 
 DRAM SWITCH CONFIGURATION  | |||||
| 
 Size  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | 
 SW2/4  | 
 SW2/5  | 
| 
 1MB  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 2MB  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 3MB  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 4MB  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 4MB  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 5MB  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 6MB  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 7MB  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 8MB  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 9MB  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 10MB  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 12MB  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 13MB  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 16MB  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 16MB  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 20MB  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 24MB  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 28MB  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 32MB  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 36MB  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 40MB  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 48MB  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 52MB  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 64MB  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 CACHE CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 64KB  | 
 (4) 8K x 8  | 
 (4) 8K x 8  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 NONE  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
| 
 CACHE JUMPER/SWITCH CONFIGURATION  | ||||
| 
 Size  | 
 SW2/7  | 
 SW2/8  | 
 W5  | 
 W6  | 
| 
 64KB  | 
 Off  | 
 Off  | 
 Open  | 
 Open  | 
| 
 128KB  | 
 On  | 
 On  | 
 Closed  | 
 Open  | 
| 
 256KB  | 
 Off  | 
 On  | 
 Closed  | 
 Closed  |