MICRONICS COMPUTERS, INC.
80486 ASIC EISA 50MHz
| 
 Processor  | 
 80486DX  | 
| 
 Processor Speed  | 
 50MHz  | 
| 
 Chip Set  | 
 Micronics  | 
| 
 Max. Onboard DRAM  | 
 64MB  | 
| 
 Cache  | 
 64/256KB  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 355mm x 302mm  | 
| 
 I/O Options  | 
 32-bit local bus video card slot  | 
| 
 NPU Options  | 
 4167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 J3  | 
 Speaker  | 
 J20  | 
| 
 External keyboard  | 
 J12  | 
 Power LED & keylock  | 
 J21  | 
| 
 Parallel port  | 
 J14  | 
 Reset switch  | 
 W13  | 
| 
 Serial port 2  | 
 J16  | 
 Turbo switch  | 
 W15  | 
| 
 Floppy drive interface  | 
 J17  | 
 Turbo LED  | 
 W16  | 
| 
 External battery  | 
 J18  | 
 32-bit local bus video card  | 
 S1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| » | 
 Factory configured - do not alter  | 
 W1  | 
 pins 1 & 2 closed  | 
| » | 
 Floppy drive interface enabled  | 
 W3  | 
 pins 1 & 2 closed  | 
| 
 Floppy drive interface disabled  | 
 W3  | 
 pins 2 & 3 closed  | |
| » | 
 Factory configured - do not alter  | 
 W5  | 
 pins 2 & 3 closed  | 
| » | 
 Factory configured - do not alter  | 
 W6  | 
 pins 1 & 2 closed  | 
| » | 
 Factory configured - do not alter  | 
 W9  | 
 pins 2 & 3 closed  | 
| » | 
 Factory configured - do not alter  | 
 W10  | 
 pins 1 & 2 closed  | 
| » | 
 Factory configured - do not alter  | 
 W11  | 
 pins 1 & 2 closed  | 
| » | 
 Factory configured - do not alter  | 
 W12  | 
 pins 1 & 2 closed  | 
| » | 
 Factory configured - do not alter  | 
 SW1/6  | 
 On  | 
| » | 
 Factory configured - do not alter  | 
 SW1/7  | 
 Off  | 
| » | 
 Monitor type select color  | 
 SW1/8  | 
 On  | 
| 
 Monitor type select monochrome  | 
 SW1/8  | 
 Off  | |
| 
 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) 1 M 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  | 
| 
 DRAM CONFIGURATION (CON’T)  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 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  | 
| 
 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  | 
| 
 DRAM JUMPER CONFIGURATION  | |||||
| 
 Size  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
 SW1/5  | 
| 
 1MB  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 2MB  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 3MB  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 4MB 1 | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 4MB 2 | 
 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 1 | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 16MB 3 | 
 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  | 
| 
 Note 1 :Use this setting when banks are populated with (4) 256K x 9 SIMMs.Note 2 :Use this setting when banks are populated with (4) 1M x 9 SIMMs.Note 3 :Use this setting when banks are populated with (4) 4M x 9 SIMMs. | |||||
| 
 CACHE CONFIGURATION  | |
| 
 Size  | 
 Cache  | 
| 
 64KB  | 
 (8) 8K x 8  | 
| 
 256KB  | 
 (8) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | ||||
| 
 Size  | 
 W14  | 
 W17  | 
 W18  | 
 W19  | 
| 
 64KB  | 
 pins 2 & 3 closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 256KB  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 PARALLEL PORT CONFIGURATION  | ||
| 
 Setting  | 
 W4  | 
 W7  | 
| 
 LPT1  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 LPT2  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 LPT3  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 Disabled  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 SERIAL PORT CONFIGURATION  | ||
| 
 Setting  | 
 W2  | 
 W8  | 
| 
 COM1 & COM2 enabled  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 COM1 enabled & COM2 disabled  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 COM1 disabled & COM2 enabled  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 COM1 & COM2 disabled  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |