DTK COMPUTER, INC. PII-157 Category Video Video Types Supported EGA Video Processor Unidentified Highest Resolution 640 x 350 Supported Data Bus Type 8-bit ISA Memory Type DRAM Maximum Onboard Memory 256KB [Image] CONNECTIONS Purpose Location Purpose Location 32-pin feature CN1 Composite display CN4 connector - RCA jack 9-pin video output CN2 6-pin light pen P2 port interface Composite display CN3 - RCA jack CLOCK SOURCE CONFIGURATION Setting J2 External clock Pins 1 & 2 closed Internal 24.872 MHz clock Pins 2 & 3 closed LIGHT PEN PORT CONFIGURATION Setting J3 » Port 1 Pins 1 & 2 closed Port 2 Pins 2 & 3 closed DISLAY MODE CONFIGURATION Monitor Primary Card Secondary SW1/2 SW1/3 SW1/4 type Card CGA PII-157 Monochrome Off Off On EGA PII-157 Monochrome On On Off CGA Monochrome PII-157 On On On EGA Monochrome PII-157 Off On On Composite PII-157 CGA Off On Off or CGA Composite CGA PII-157 On Off On or CGA RESOLUTION TYPE CONFIGURATION Type SW1/1 Low On High Off AUTO SWITCH CONFIGURATION Setting SW1/5 » Disabled Off Enabled On