JUKO LABORATORIES, LTD. G7-A Category Video/Multi I/O Video Types Supported CGA/Monochrome Video Processor Unidentified Highest Resolution 640 x 400 Supported Data Bus Type 8-bit ISA Memory Type N/A Maximum Onboard Memory N/A [Image] CONNECTIONS Purpose Location Purpose Location 15-pin analog CN1 6-pin light pen CN5 video port connector Composite video CN2 16-pin game/MIDI CN7 jack port 9-pin mouse port CN3 26-pin parallel CN8 port interface COMPOSITE DISPLAY CONFIGURATION Setting J1 » Color Pins 1 & 2 closed Mono Pins 2 & 3 closed MOUSE INTERRUPT SELECTION IRQ J2 J6/SW2 J6/SW3 J6/SW4 J6/SW5 » 2 Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed closed 3 Pins 3 & 4 Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 closed closed closed closed closed 4 Pins 5 & 6 Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed closed closed 5 Pins 7 & 8 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed closed closed COLOR FREQUENCY CONFIGURATION Setting J3 » Color display 14.31818MHz clock Pins 1 & 2 closed Monochrome 16MHz clock Pins 3 & 4 closed 640 x 400 display 23.4 MHz clock Pins 5 & 6 closed PARALLEL PORT CONFIGURATION Setting J4/SW1 » Enabled Pins 1 & 2 closed Disabled Pins 2 & 3 closed GAME PORT CONFIGURATION Setting J4/SW2 » Enabled Pins 1 & 2 closed Disabled Pins 2 & 3 closed VERTICAL SYNCHRONIZE PULSE CONFIGURATION Setting J5/SW1 » Positive Pins 1 & 2 closed Negative Pins 2 & 3 closed HORIZONTAL SYNCHRONIZE PULSE CONFIGURATION Setting J5/SW2 » Positive Pins 1 & 2 closed Negative Pins 2 & 3 closed DISPLAY MODE SELECTION Mode J5/SW3 J5/SW4 J5/SW5 » Color/graphics display Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed Composite color Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 graphics display closed closed closed Composite monochrome Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 graphics display closed closed closed 640 x 400 color Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 graphics display closed closed closed Monochrome graphics Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 display closed closed closed Disabled all display Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 modes closed closed closed MOUSE PORT CONFIGURATION Setting J6/SW1 » Enabled Pins 1 & 2 closed Disabled Pins 2 & 3 closed