UNIDENTIFIED 8MHZ SYSTEM BOARD Processor 8088 Processor Speed 4.77/8MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Memory 640KB Maximum Video Memory None Cache None BIOS Unidentified Dimensions 330mm x 218mm I/O Options None NPU Options 8087 [Image] CONNECTIONS Purpose Location Purpose Location Reset switch JP1 Speaker JP4 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter SW1/1 Off NPU not installed SW1/2 On NPU installed SW1/2 Off DRAM CONFIGURATION Note: The location of the banks are unidentified. The number and type of memory chips is unidentified. DRAM SWITCH CONFIGURATION Size SW1/3 SW1/4 128KB Off On 192KB On Off 256KB Off Off DRAM JUMPER CONFIGURATION Size JP3 4164 chips installed Pins 2 & 3 closed 41256 & 4164 chips installed Pins 1 & 2 closed CPU SPEED SELECTION Speed JP2 4.77MHz Closed 8MHz Open FLOPPY DRIVE SELECTION Drives installed SW1/7 SW1/8 1 On On 2 Off On 3 On Off 4 Off Off MONITOR SELECTION Multiplier SW1/5 SW1/6 None On On Color (40 x 20) Off On Color (80 x 25) On Off Monochrome Off Off