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HP EliteBook 8470p

Introduction

This is a compatibility guide to running Linux with the HP EliteBook 8470p laptop. If you have the HP EliteBook 8470p and are running Linux on it please consider editing this page or adding a comment below with your compatibility details. By contributing you will help other people running this laptop or trying to make a decision on whether to buy it or not.

This page is just for discussing using Linux on the HP EliteBook 8470p. For a general discussion about this laptop you can visit the HP EliteBook 8470p page on LapWik.

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Specifications

For full specifications see the HP EliteBook 8470p specifications page.

NameHP EliteBook 8470p
ProcessorIntel Core i7-3520M (2.90 GHz, 4 MB L3 cache, 2 cores)
Intel Core i5-3360M (2.80 GHz, 3 MB L3 cache, 2 cores)
Intel Core i5-3320M (2.60 GHz, 3 MB L3 cache, 2 cores)
Screen14” 1366×768 Widescreen
14” 1600×900 Widescreen
RAMUp to 16GB
HDDUp to 750GB
Optical DriveDVD+-RW
GraphicsIntel HD Graphics 4000
AMD Radeon HD 7570M
(ordering choice, not switchable)
Network10/100/1000 Ethernet
Intel Centrino 802.11a/b/g/n
Broadcom 802.11a/b/g/n
Atheros 802.11a/b/g/n
This laptop has separate BIOS whitelists for both the WLAN and WWAN Mini PCIe slots!

Linux Compatibility

DeviceCompatibilityComments
ProcessorWorks
ScreenWorks
HDDWorks
Optical DriveWorks
Graphics Chip (AMD variant)WorksSee notes
Graphics Chip (Intel variant)Works
VGA OutWorks
DisplayPortWorks
SoundWorks
Bulti-in MicrophoneWorks
Headphone JackWorks
Microphone JackWorks
EthernetWorks
WirelessWorks see notes
BluetoothWorks
WWANNot Tested
ModemNot Tested
USBWorks
USB 3.0Works see notes
ESATAWorks
FirewireNot Tested
Card ReaderHardware bug: issue with IOMMU see notes
Smartcard ReaderWorks
ExpressCard SlotWorks
Fingerprint ReaderNot Tested
WebcamWorks
Docking StationNot Tested
Touch PadWorks
Track PointWorks
Accelerometer/Fall detectionWorks
Suspend/ResumeWorks

Notes

Wireless

The following cards work without problems on unmodified kernel.org 3.4.7 and 3.6.2:

  • Intel 6205 (802.11abgn 2×2, generic PCI ID)
  • Atheros 9380 HP-branded (802.11abgn 3×3, note this card has a HP-specific PCI ID)

The laptop is also shipped with other cards, these may or may not work.

Ubuntu 12.04.1 issue

Wireless does not work with Ubuntu 12.04.1. There is a problem with the firmware which I haven't been able to correct. There are indications that it is fixed in 12.10, but I haven't tried yet.

Tested with Ubuntu 12.04 and Gentoo (rolling 2012-07).

Graphics

Two different models have been tested here, one with the AMD graphics on board, the other with Intel graphics. Both works fine.

There is a small trick in getting the graphics working properly with the AMD chip on Ubuntu 12.04. After you install Ubuntu and reboot all you will get is a flashing screen. What you need to do is boot into recovery mode (via grub) and then select the option to resume a normal boot sequence. This will get the graphics working for you and lets you log into the system. From there launch the Additional Drivers program and install the AMD drivers. You now no longer need to boot into recovery mode.

The open source r600g driver works very well on this laptop.

Brightness control

Brightness control with the AMD graphics is broken with 3.4.4 kernel, stays at boot level and cannot be changed. (Workaround: set brightness while in bootloader.) Kernel patches exist but are not in any released kernel version.

Brightness control works fine with Intel graphics.

EFI issues

When booting in native EFI mode, the open source r600g driver does not work because the graphics card's AtomBIOS is disabled (since it wouldn't be needed with EFI).

When booting in either native or hybrid EFI mode, the XHCI USB 3.0 controller does not get an IRQ line assigned properly and does not work due to this. This can be worked around on recent kernels with this 3-line script, which has to be executed once per boot:


# execute with root permissions
setpci -s 00:14.0 INTERRUPT_LINE=0
echo 1 > /sys/devices/pci0000:00/0000:00:14.0/remove
echo 1 > /sys/devices/pci0000:00/pci_bus/0000:00/rescan

Note: this script also works around some suspend/resume issues as well as kicks the USB 3.0 ports from nonworking into working sometimes.

Card reader

The SD card reader has a hardware bug if and only if FireWire/1394 is disabled in system setup. It issues PCI Express transactions with a source of 03:00.1 while the controller only registers on bus with functions .0 and .2. Card reader functionality is therefore broken when the IOMMU (VT-d) is enabled in BIOS and kernel. This can be worked around by either disabling the IOMMU, or enabling FireWire, or adding a driver workaround, though the latter does not exist yet.

(Background: the SD host controller is at function .1 when FireWire is enabled; the latter occupies function .0. If FireWire is disabled, the SD host controller moves up to function .0, but apparently this is not correctly implemented and leaves the PCI transaction originator ID at .1 – which will not work when the IOMMU checks it.)

Battery life

With the Core i7 3520M CPU, AMD 7570M graphics, 12GB RAM, a SSD and the default 60Wh battery, the runtime is around 2 hours. Power management on the AMD GPU seems largely nonfunctional (does not cause any difference in consumption). Also, the fan does not turn off due to this (under low load, the laptop should be silent.)

A similar system with Intel graphics and 8 GB RAM, SSD and a larger 9-cell battery has recorded a runtime on an office workload of nearly 7 hours. This may be due to working brightness control and fan control when using the Intel graphics.


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Beakman, 2013/12/29 14:37

My optical mouse dead sometimes and usb sticks too . I don't know the root. Is there anyway to fix it?

alsastre, 2013/12/27 07:30

To fix my bright I have used these:
http://m.taringa.net/posts/linux/14496793/Script-para-el-brillo-de-nuestra-pantalla-GNU-Linux.html

Is in Spanish, y didn't use the script I have modified my grub(in my case was the second option grub 2) and after rebooting everything worked. The only thing is that reducing the bright my screen could get to bright 0.

Aliman I don't understand your problem, with recovery you mean BIOS or the partition? If is the partition why would you like to access? You only need it to let the computer as it comes and you don't need to get into it

Truongap, 2013/12/27 01:42

Brightness control doesn't work even with Intel graphics.

alsastre, 2013/10/24 18:40

Fingerprint is currently not working and the bright can be repaired by doing a script wich changes brichtness and with custom key shorcuts add the bright button to these scripts. If anyone gets the fingerprint going, please tell it.

Paolo, 2013/07/31 13:59

Fingerprint is currently not working. No driver.

Huggart, 2013/02/24 18:26

Instead of using the script did anyone try to use the kernel patch linked from http://www.linlap.com/hp_probook_6570b (similar BIOS)?

Blebb, 2013/02/22 15:46

CMOS battery?

aliman, 2012/12/06 15:49

Hi,

I have accidentally changed my account type from admin to standard and I want to change it back. I have found some solutions but now I can't get in to the recovery mode. Can anybody help me?

Regards,

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hp_elitebook_8470p.txt · Last modified: 2013/02/12 17:57 by 193.157.110.113
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