MULTI-TECH SYSTEMS, INC.
MT386SBC/486SLC
| 
 Processor  | 
 80386SX/CX486SLC  | 
| 
 Processor Speed  | 
 25MHz  | 
| 
 Chip Set  | 
 UMC  | 
| 
 Max. Onboard DRAM  | 
 16MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 340mm x 105mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 Serial port 2  | 
 P4  | 
| 
 VGA port  | 
 CN2  | 
 Power LED & keylock  | 
 P5 pins 1-5  | 
| 
 IDE interface LED  | 
 J11  | 
 External switch reset  | 
 P5 pin 7  | 
| 
 Turbo LED  | 
 J12  | 
 Keyboard inhibit switch  | 
 P5 pin 8  | 
| 
 Hardware reset switch  | 
 J13  | 
 Speaker  | 
 P5 pins 9-10  | 
| 
 IDE interface  | 
 P1  | 
 Turbo switch  | 
 P5 pins 11-12  | 
| 
 Floppy drive interface  | 
 P2  | 
 Parallel port  | 
 P8  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Pipeline control disabled  | 
 J2  | 
 Open  | 
| 
 Pipeline control disabled  | 
 J2  | 
 Closed  | |
| 
 »  | 
 NPU asynchronous with CPU  | 
 J3  | 
 Open  | 
| 
 NPU synchronous with CPU  | 
 J3  | 
 Closed  | |
| 
 »  | 
 IDE interface enabled  | 
 J4  | 
 pins 1 & 2 closed  | 
| 
 IDE interface disabled  | 
 J4  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Hardware reset when DCD on COM1 goes from on to off enabled  | 
 J5  | 
 Closed  | 
| 
 Hardware reset when DCD on COM1 goes from on to off disabled  | 
 J5  | 
 Open  | |
| 
 »  | 
 Parallel port unidirectional (printer)  | 
 J7  | 
 pins 2 & 3 closed  | 
| 
 Parallel port bidirectional  | 
 J7  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 IRQ9 connected to AT bus  | 
 J10  | 
 pins 2 & 3 closed  | 
| 
 IRQ9 connected to internal VGA  | 
 J10  | 
 pins 1 & 2 closed  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 512KB  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 1MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 8MB  | 
 (2) 4M x 9  | 
 NONE  | 
| 
 16MB  | 
 (2) 4M x 9  | 
 (2) 4M x 9  |