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 1024 x 768 Supported [Image] 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 J26 Open serial port 1 goes low Mainboard will reset when DCD of J26 Closed serial port 1 goes low 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.