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= Samsung RC 530 =
This is valid for many newer Samsung laptops. The system tested here is a Samsung RC 530. Since the models do not differ greatly in their overall design chances are good that the whole RC series is covered by the following steps.
* Optimus setup (bumblebee, bbswitch)
* CPU frequency sheduling (cputools)
* vendor specific kernel extensions (samsung_tools)
uname-a Linux 3.5.3-1-ARCH #1 SMP PREEMPT
Good news everyone!
* 100% compatibility
Quirks:
* do not use acpi_call (http://aur.archlinux.org/packages.php?ID=39470) since it breaks hibernation/suspend with pm-utils
* ensure that you do not use Window Manager specific hotkeys like Fn + FX to adjust anything if you intend to keep the samsung_tools config for xbindkeys
Hardware (lshw):
- Nvidia/Intel Optimus
*-display
description: VGA compatible controller
product: 2nd Generation Core Processor Family Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:43 memory:f6400000-f67fffff memory:d0000000-dfffffff ioport:e000(size=64)
- Intel i7:
*-cpu
product: Intel(R) Core(TM) i7-2630QM CPU @ 2.00GHz
vendor: Intel Corp.
physical id: 1
bus info: cpu@0
size: 800MHz
capacity: 800MHz
width: 64 bits
capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer xsave avx lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid cpufreq
- Intel Wireless
wireless=IEEE 802.11bgn
resources: irq:45 memory:f7200000-f7201fff
*-pci:2
description: PCI bridge
product: 6 Series/C200 Series Chipset Family PCI Express Root Port 4
vendor: Intel Corporation
physical id: 1c.3
bus info: pci@0000:00:1c.3
version: b4
width: 32 bits
clock: 33MHz
capabilities: pci normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:19 ioport:b000(size=4096) memory:f6800000-f71fffff ioport:f2100000(size=10485760)
== Samsung Tools - fan-control and power-management ==
The Samsung Tools are crucial to save power. On a Samsung RC 530 sample results are 4-5h work-time, using the standard battery as power suply (using laptop-mode, samsung_tools, low brightness, active WLAN and no Bluetooth).
=== Description ===
"It enables control in a friendly way of the devices found on Samsung laptops (bluetooth, wireless, webcam, backlight, CPU fan, special keys) and the control of various aspects related to power management, like the CPU undervolting (when a PHC-enabled kernel is available).
URL: https://launchpad.net/samsung-tools
It's a kernel extension, which can be installed via AUR: https://aur.archlinux.org/packages.php?ID=37713
== Laptop Mode Tools ==
Another useful step is to install laptop-tools. Ensure that you carefully read the hdparm section.
URL: https://wiki.archlinux.org/index.php/Laptop_Mode_Tools
== Optimus ==
Use bbswitch and add it to your kernel modules sections:
URL: https://wiki.archlinux.org/index.php/Bumblebee