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 6845
 CRTC
 765
 FDC
 NEC 765
 8272
 floppy controller
 8042
 keyboard controller
 8250
 16450
 16550
 UART
 8253
 8254
 PIT
 timer
 8259
 PIC
 BUS
 capacitor values
 CMOS RAM
 CMOS clock
 RTC
 Epson printer codes
 hard disks drives
 drive specifications
 disk drives
 hard drives
 Hayes modem info
 modem commands
 game port
 joystick
 Laserjet
 HP Laserjet
 keyboard commands
 parallel port
 printer port
 ports
 port addresses
 hardware ports
 diagnostic codes
 POST errors
 resistor values
 RS232 pins
 serial ports