ob, ow, od (Output to Port)
The ob, ow, and od commands send a byte, word, or double word to the selected port.
dbgcmd
ob Address Value
ow Address Value
od Address Value
Address
Specifies the address of the port.
Value
Specifies the hexadecimal value to write to the port.
Modes |
Kernel mode only |
Targets |
Live debugging only |
Platforms |
x86-based only |
The ob command writes a single byte, the ow command writes a word, and the od command writes a double word.
Make sure that you do not send a word or a double-word to a port that does not support this size.