inteltool man page

inteltool — 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.