Dell Xps 13 Ultrabook Sm Bus Controller Driver

  

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Note
This article is for the old model of the Dell XPS 13. For the new (2015) model, see Dell_XPS_13_9343
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Dell XPS 13 9350 w/ Samsung PM951 NVMe - Drivers Question Please Help: Windows 10 Dell XPS 13 9350 Bootable USB Dell XPS 13 9350 brand new freezing ALL THE TIME.

  • 2Hardware Support
  • 3Problems

Laptop Specifications

Hardware specs may vary. These are the specs for the model XPS 13 Ultrabook:

  • Intel Core i5-2467M 1.6GHz to 2.3GHz or i7-2637M 1.7GHz to 2.9GHz, 3MB cache
  • 4-8GB Dual Channel DDR3 1333MHz
  • Intel HD Graphics 3000-4000 (on-CPU)
  • High Definition Audio with Waves MaxxAudio 4
  • 13.3in TFT LCD Widescreen screen (1366x768 or 1920x1080)
  • Samsung PM830 SATA 3 128GB or 256GB mSATA SSD Hard Disk
  • 1x USB 2.0 ports and 1x USB 3.0 ports
  • mini-DisplayPort output
  • Intel Centrino Advanced-N 6230 802.11 a/g/n with Intel Smart Connect Technology + Bluetooth 3.0

Printout of lspci:

Printout of lsusb (builtin devices, no external devices connected):

Printout of lsmod (builtin devices, no external devices connected):

Information from /proc/cpuinfo :

Hardware Support

Input Devices

USB 2.0 Support

  • Compile the ehci-hcd driver as module.
KERNELUSB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)

USB 3.0 Support

  • Compile the xhci-hcd driver as module.
KERNELUSB controller: Fresco Logic Device 1009 (rev 02) or Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04), 3.3.1-gentoo

N.B. A kernel version 3.3 at least is required for the USB 3 support.

Drives and Storage

  • Hard Drive controller works using ahci driver in the kernel.
KERNELIntel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller, 3.3.1-gentoo

Graphics Chip

KERNELIntel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller, 3.3.1-gentoo

There is an issue with screen brightness which cannot be adjustable.There are two ways to work around this problem.

The permanent way to fix this issue is to apply this patch to the kernel sources. The patch is an attachment to kernel bug #47941. To apply the patch execute the following commands (tested in kernel 3.9.2).

Dell
root #wget 'https://bugzilla.kernel.org/attachment.cgi?id=97751' -O backlight_fix.patch
root #patch -p1 --dry-run -i ./backlight_fix.patch
root #patch -p1 -i ./backlight_fix.patch # run this command only if the previous patch command gives no errors


The temporary way to work around the brightness issue is to run the following command.This is only a temporary solution because the command needs to be run on every boot, on every resume from suspend, and every time the screen is blanked by DPMS. This last issue is kernel bug #53491.

root #echo 0 > /sys/class/backlight/intel_backlight/brightness

Use a script to run it at start up.

As well as after hibernate and suspend.

FILE/etc/pm/sleep.d/backlight
Driver

Both scripts need to be executable.

root #chmod +x /etc/local.d/backlight.start /etc/pm/sleep.d/backlight

WLAN Card

KERNELIntel Corporation Centrino Advanced-N 6230, 3.3.1-gentoo

You'll also need the firmware. Emerge either of the following packages.

or

CPU Frequency Scaling

KERNELCPU Frequency Scaling

Sound Chip

Trackpad

The support for the Cypress trackpad was added in Kernel 3.9.0 thanks to the Sputnik project.

KERNEL

Webcam

The webcam will work using the v4l2 driver (tested) and sunplus driver (untested).

KERNELBus 001 Device 003: ID 1bcf:288f Sunplus Innovation Technology Inc.

Test it out with mplayer:

Dell Xps 13 Ultrabook Sm Bus Controller Driver
root #mplayer tv:// -tv driver=v4l2:width=640:height=480:device=/dev/video0 -fps 15 -vf screenshot

Bluetooth

Kernel

Dell Xps 13 Ultrabook Sm Bus Controller Driver Windows 7

It is connected to the internal USB 2.0 port, so make sure to enable USB 2.0 support.You need PC-Card support. Also you need to activate the following kernel options:

Service

You can now start bluetooth:

To start bluetooth at boot time, add it your default runlevel:

Problems

Noisy fan

On the core i7 model, the fan is running too often and too early. A BIOS upgrade resolved the issue.http://www.dell.com/support/drivers/us/en/19/DriverDetails/DriverFileFormats?DriverId=C0VG5&FileId=2902722114&productCode=xps-13-l321x&urlProductCode=False

Wireless

When you're too close to a 802.11n router, the wireless hangs. This is a known issue but the bugzilla was disabled due to security issues.

Dell Xps 13 Ultrabook Sm Bus Controller Driver Windows 10

You can workaround this firmware issue by disabling 11n on your iwlwifi module.First try a temporary workaround:

And if it works you can make it permanent:

Sm Bus Controller Driver For Compaq

FILE/etc/modprobe.d/iwlwifi.conf