MONOLITHIC SYSTEMS, INC. (COLORADO MSI)
MICROFRAME 386CX
| 
 Processor  | 
 80386DX  | 
| 
 Processor Speed  | 
 20/25MHz  | 
| 
 Chip Set  | 
 C & T  | 
| 
 Max. Onboard DRAM  | 
 8MB  | 
| 
 Cache  | 
 32KB  | 
| 
 BIOS  | 
 AMI/Phoenix  | 
| 
 Dimensions  | 
 349.2mm x 330.2mm  | 
| 
 I/O Options  | 
 32-bit external memory cards (4), serial ports (2), parallel port  | 
| 
 NPU Options  | 
 80387/3167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J1  | 
 Auxiliary keyboard  | 
 J8  | 
| 
 Disk access LED  | 
 J2  | 
 Serial port 2  | 
 J10  | 
| 
 No charge (key)  | 
 J6 pin 1  | 
 Parallel port  | 
 J11  | 
| 
 Ready  | 
 J6 pin 2  | 
 Serial port 1  | 
 J12  | 
| 
 Keylock  | 
 J6 pin 3  | 
 Reset switch  | 
 J13  | 
| 
 Turbo  | 
 J6 pin 4  | 
 CPU ready LED  | 
 J14  | 
| 
 No charge  | 
 J6 pin 5  | 
 Turbo LED  | 
 J15  | 
| 
 Disk access  | 
 J6 pin 6  | 
 Speaker  | 
 J34  | 
| 
 Reset  | 
 J6 pin 7  | 
 32-bit external memory card  | 
 S1  | 
| 
 Ground  | 
 J6 pin 8  | 
 32-bit external memory card  | 
 S2  | 
| 
 Speaker  | 
 J6 pin 9  | 
 32-bit external memory card  | 
 S3  | 
| 
 +5VDC  | 
 J6 pin 10  | 
 32-bit external memory card  | 
 S4  | 
| 
 Power LED & keylock  | 
 J7  | ||
| 
 Note:J2 is used only when a disk access signal is connected to J6 pin 6.  | |||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Monitor type select color  | 
 J16  | 
 pins 2 & 3 closed  | 
| 
 Monitor type select monochrome  | 
 J16  | 
 pins 1 & 2 closed  | |
| » | 
 Factory configured - do not alter  | 
 J17  | 
 N/A  | 
| 
 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  | 
| 
 NPU CONFIGURATION  | ||
| 
 Setting  | 
 J22  | 
 J23  | 
| 
 Disabled  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 Enabled  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |