Hi, i have a new HP Pavilion 13" laptop DM3-1120eg.
# dmidecode -s system-product-name HP Pavilion dm3 Notebook PC # dmidecode -s system-version 0487110000241F10110120000 It has two graphic cards: # lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller]) 01:00.0 VGA compatible controller [0300]: nVidia Corporation G98M [GeForce G105M] [10de:0a69] (rev a2) (prog-if 00 [VGA controller]) I killed the pre-installed Windows and installed Fedora 13. Everything is fine, but running the laptop with two graphic cards is draining the battery empty in something about 3 hours. Since i use it for office purposes only, i would like to use the intel card and disable the nvidia card to get more battery time. Regarding the How-To ( http://linux-hybrid-graphics.blogspot.com/2010/07/using-acpicall-module-to-switch-onoff.html), i run the following commands: # yum -y install gcc cpp kernel-devel kernel-headers git [...] # cd # mkdir vga # cd vga # git clone http://github.com/mkottman/acpi_call.git [...] # cd acpi_call # make make -C /lib/modules/2.6.33.6-147.fc13.x86_64/build M=/root/vga/acpi_call modules make[1]: Entering directory `/usr/src/kernels/2.6.33.6-147.fc13.x86_64' CC [M] /root/vga/acpi_call/acpi_call.o Building modules, stage 2. MODPOST 1 modules CC /root/vga/acpi_call/acpi_call.mod.o LD [M] /root/vga/acpi_call/acpi_call.ko make[1]: Leaving directory `/usr/src/kernels/2.6.33.6-147.fc13.x86_64' # insmod acpi_call.ko # ./test_off.sh Trying \_SB.PCI0.P0P1.VGA._OFF: failed Trying \_SB_.PCI0.OVGA.ATPX: works! # lspci | grep -i vga 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 01:00.0 VGA compatible controller: nVidia Corporation G98M [GeForce G105M] (rev a2) # echo '\_SB_.PCI0.OVGA.ATPX' > /proc/acpi/call # lspci | grep -i vga 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 01:00.0 VGA compatible controller: nVidia Corporation G98M [GeForce G105M] (rev a2) Ok, i get a "works!" message. Sounds good. But how can i disable the card? If it's working, why are there still two cards listed by lspci? Is there a command to check if the card is still draining power? Any help would be appreciated. Regads, Daniel
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