MULTI-TECH SYSTEMS, INC.
MULTIARRAYSBC MT486DX2/XX, MT486DX4/XXX
| 
 Processor  | 
 80486DX2/80486DX4  | 
| 
 Processor Speed  | 
 Unidentified  | 
| 
 Video Chipset  | 
 Unidentified  | 
| 
 Chipset  | 
 Unidentified  | 
| 
 Maximum Onboard Memory  | 
 128MB DRAM  | 
| 
 Cache  | 
 256KB  | 
| 
 Maximum Video Memory  | 
 512KB DRAM  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 336.5 x 120.6mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port  | 
| 
 Data Bus  | 
 Proprietary  | 
| 
 NPU Options  | 
 None  | 
| 
 Video Types Supported  | 
 XVGA  | 
| 
 Highest Resolution Supported  | 
 1024 x 768  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 15-pin VGA port  | 
 CN1  | 
 Floppy drive interface  | 
 CN7  | 
| 
 Serial port 1  | 
 CN2  | 
 Speaker  | 
 J20  | 
| 
 IDE interface  | 
 CN4  | 
 IDE interface LED  | 
 J27  | 
| 
 Serial port 2  | 
 CN5  | 
 Power LED  | 
 J28  | 
| 
 Parallel port  | 
 CN6  | 
 Reset switch  | 
 SW1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Setting  | 
 Label  | 
 Position  | |
| » | 
 Mainboard will not reset when DCD of serial port 1 goes low  | 
 J26  | 
 Open  | 
| 
 Mainboard will reset when DCD of serial port 1 goes low  | 
 J26  | 
 Closed  | |
| 
 Note:All jumpers not pictured on the diagram are factory configured and should not be altered.  | |||
| 
 DRAM  | |
| 
 Size  | 
 Bank 0  | 
| 
 8MB  | 
 (2) 1M x 36  | 
| 
 16MB  | 
 (2) 2M x 36  | 
| 
 32MB  | 
 (2) 4M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
| 
 128MB  | 
 (2) 16M x 36  | 
| 
 Note: The board is factory configured with 4 megabytes of RAM.  | |