UNIDENTIFIED FT-640 MB V5.0 Processor 8088 (exact location unidentified) Processor Speed 4.77/8MHz Chip Set Unidentified Max. Onboard DRAM 640KB Cache None BIOS MCT Dimensions 330mm x 212mm I/O Options None NPU Options 8087 (exact location unidentified) [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED P2 Speaker P5 pins 1 & 2 Reset switch P3 Power LED P5 pins 3 & 4 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position CPU speed select 4.77MHz P1 Pins 1 & 2 closed CPU speed select 8MHz P1 Pins 2 & 3 closed MCT turbo BIOS P1 Open Keyboard enabled P4 Closed Keyboard disabled P4 Open Power good signal detect P6 Pins 1 & 2 from power supply closed Power good signal detect P6 Pins 2 & 3 from board closed » Factory configured - do not SW1/1 Off alter » Factory configured - do not SW1/2 On alter » Factory configured - do not SW1/3 Off alter » Factory configured - do not SW1/4 Off alter 1 floppy drive installed SW1/7 On 2 floppy drives installed SW1/7 Off » Factory configured - do not SW1/8 On alter VIDEO CONFIGURATION Setting SW1/5 SW1/6 Monochrome Off Off Color On Off EGA On On DRAM CONFIGURATION Note: DRAM configuration is unidentified. One bank uses 41256 chips and the other uses 4164 chips.