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##### A.2.3.2 Parallel Ports

AVRDUDE will accept 3 Windows parallel port names: lpt1, lpt2, or lpt3. Each of these names corresponds to a fixed parallel port base address:

`lpt1`
  0x378
`lpt2`
  0x278
`lpt3`
  0x3BC

On your desktop PC, lpt1 will be the most common choice. If you are using a laptop, you might have to use lpt3 instead of lpt1. Select the name of the port the corresponds to the base address of the parallel port that you want.

If the parallel port can be accessed through a different address, this address can be specified directly, using the common C language notation (i. e., hexadecimal values are prefixed by `0x`).