MONOLITHIC SYSTEMS, INC. (COLORADO MSI)
MICROFRAME 486EX
| 
 Processor  | 
 80486DX  | 
| 
 Processor Speed  | 
 25/33Mhz  | 
| 
 Chip Set  | 
 C & T  | 
| 
 Max. Onboard DRAM  | 
 64MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 355mm x 304mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 4167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J1  | 
 CPU ready LED  | 
 J9  | 
| 
 Power LED & keylock  | 
 J2  | 
 Auxiliary keyboard  | 
 J12  | 
| 
 Disk acess connector  | 
 J3  | 
 PS/2 mouse port  | 
 J13  | 
| 
 Front panel/ribbon cable connector  | 
 J7  | 
 Speaker  | 
 J28  | 
| 
 Reset switch  | 
 J8  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| 
 »  | 
 IRQ12 enabled for mouse  | 
 J11  | 
 pins 1 & 2 closed  | 
| 
 IRQ12 disabled  | 
 J11  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 CPU speed select 25MHz  | 
 J29  | 
 pins 1 & 2 closed  | 
| 
 CPU speed select 33MHz  | 
 J29  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Wait state enabled  | 
 J30  | 
 Closed  | 
| 
 Wait state disabled  | 
 J30  | 
 Open  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J35  | 
 Open  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J36  | 
 Open  | 
| 
 »  | 
 CMOS memory normal operation  | 
 J45  | 
 Open  | 
| 
 CMOS memory clear  | 
 J45  | 
 Closed  | |
| 
 »  | 
 DMA active select high  | 
 J46  | 
 pins 1 & 2 closed  | 
| 
 DMA active select low  | 
 J46  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 SW1/switch 1  | 
 Off  | 
| 
 »  | 
 Factory configured - do not alter  | 
 SW1/switch 2  | 
 Off  | 
| 
 Factory configured - do not alter  | 
 SW1/switch 3  | 
 Off  | |
| 
 »  | 
 Monitor type select color  | 
 SW1/switch 4  | 
 On  | 
| 
 Monitor type select monochrome  | 
 SW1/switch 4  | 
 Off  | |
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 8MB  | 
 (2) 4M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 16MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 16MB  | 
 NONE  | 
 (2) 8M x 36  | 
 NONE  | 
 NONE  | 
| 
 24MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 NONE  | 
| 
 24MB  | 
 NONE  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
 NONE  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 32MB  | 
 NONE  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 NONE  | 
| 
 32MB  | 
 NONE  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
| 
 40MB  | 
 NONE  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
| 
 48MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
| 
 48MB  | 
 NONE  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 56MB  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  |