inteltool man page

inteltool ā€” a tool for dumping Intel(R) CPU / chipset configuration parameters


inteltool [-vh?gGrpmedPMaAsfS]


inteltool is a handy little tool for dumping the configuration space of Intel(R) CPUs, northbridges and southbridges.

This tool has been developed for the coreboot project (see for details on coreboot).


-h, --help

Show a help text and exit.

-v, --version

Show version information and exit.

-a, --all

Dump all known information listed below.

-g, --gpio

Dump I/O Controller Hub (ICH) southbridge GPIO registers.

-G, --gpio-diffs

Show only GPIO register differences from hardware defaults.

-r, --rcba

Dump I/O Controller Hub (ICH) southbridge RCBA registers.

-s, --spi

Dump I/O Controller Hub (ICH) southbridge SPI registers and bios control.

-f, --gfx

Dump graphics registers. Due to unknown reasons this might lock up some systems after a few seconds.

-p, --pmbase

Dump I/O Controller Hub (ICH) southbridge PMBASE registers.

-m, --mchbar

Dump Intel(R) northbridge MCHBAR registers.

-S file, --spd=file

Dump the memory registers as above and store the current timing settings into file.

-e, --epbar

Dump Intel(R) northbridge EPBAR registers.

-d, --dmibar

Dump Intel(R) northbridge DMIBAR registers.

-P, --pciexbar

Dump Intel(R) northbridge PCIEXBAR registers.

-M, --msrs

Dump Intel(R) CPU MSRs.

-A, --ambs

Dump Advanced Memory Buffer (AMB) registers.


Please report any bugs on the coreboot mailing list (


inteltool is covered by the GNU General Public License (GPL), version 2.


Stefan Reinauer <>

This manual page was written by Stefan Reinauer <>. It is licensed under the terms of the GNU GPL (version 2).

Intel(R) is a registered trademark of Intel Corporation. Other product and/or company names mentioned herein may be trademarks or registered trademarks of their respective owners.