Difference between revisions of "Samsung R20P"

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#redirect [[ArchWiki:Archive]]
=== Hardware specification ===
*LCD - 14.1" WXGA Glare TFT screen
*CPU - Intel Core Duo T2330 @ 1.60Ghz
*RAM - 2GB DDR2 (2 slots)
*VGA - ATi Radeon Xpress 1250
*HDD - 160GB SATA Samsung HM160HIS
*CD/DVD - TS-L632H DL DVD+-RW SuperMulti
*Audio - Realtek ALC262
*Battery - 2600mAh LION / ~1.5-2h battery life
=== Extra ===
* Audio In / Mic In
* 3 USB 2.0 Ports
* Sony Memory Stick Reader
* 1 VGA Out port
* 1 RJ-45
* 1 RJ-11
* 1 Express Card slot
= Installation =
For installation I used both i686 and x86_64 2008.06 "Core" images. Installation of the system was very smooth, but to have a plesant experience with Arch Linux on this laptop I needed to tweak it a bit.
= Configuration =
This laptop requires a bit tweaking to make it work without glitches on Arch Linux.
*[[CPU Frequency Scaling]]
*[[Pm-utils]] - Suspend / Hibernation
== Audio ==
{{Note | Kernel 2.6.27 and Alsa 1.0.18 seems to be working without problems}}
=== Troubleshooting ===
If you get '''hda-intel: Invalid position buffer, using LPIB read method instead''' message from ''dmesg'' or ''/var/log/everything.log'' edit your ''/etc/modprobe.d/modprobe.conf'' as root and write :
options snd-hda-intel enable=1 index=0 position_fix=1
== Touchpad ==
See the [[Touchpad Synaptics]] page for instructions. Currently there are some issues with the touchpad which causes enormus CPU usage, freezes and lock-ups. To fix that open, again as root, ''/boot/grub/menu.lst'' and in the end of ''kernel'' section write :
i8042.nomux=1 hpet=disable
== Wireless ==
{{Note | Kernel 2.6.27 contains an updated ''ath5k'' driver, wireless works out of the box. (wlan0)}}
=== Instructions before Kernel 2.6.27 ===
* Remove any [[Ndiswrapper and wpa supplicant]] and [[Wireless|madwifi]] related stuff, except the madwifi-utils package.
* Compile and Install the madwifi-newhal-svn driver from [https://aur.archlinux.org/packages.php?ID=17392 the AUR]
* Blacklist the ath5k module in /etc/rc.conf line MODULES by adding the exclamation mark (!) before it.
{{Box Note |  It seems that you '''should avoid adding the countrycode in this step, because it will not create the device'''}}
* Add :
options ath_pci countrycode=
to ''/etc/modprobe.d/modprobe.conf'' and place your country code after the equal sign.
* Install netcfg2, pacman -S netcfg2/core and visit [[Network Profiles]] for more instructions.
* After all of that has been done, reboot and your Wifi card should appear as ath0 (use ''ifconfig -a'')
* For more info use the ''dmesg'' command in terminal
= VGA Out =
Proper resolution of the secondary monitor is detected after an X server restart using open source (xf86-video-ati) driver.
= Troubleshooting =
*Suspend and Hibernation doesn't work with gnome-power-utils, but they work with [[pm-utils]].
*Fn keys currently do not work with ''radeonhd'' driver, but they work with ''fglrx'' , but not all of them.
== Yet untested ==
* Modem
* Express Card
= Resources =
=== Output of ''lscpi -nn'' ===
  00:00.0 Host bridge [0600]: ATI Technologies Inc Radeon Xpress 7930 Host Bridge [1002:7930]
  00:01.0 PCI bridge [0604]: ATI Technologies Inc RS7932 PCI Bridge [1002:7932]
  00:05.0 PCI bridge [0604]: ATI Technologies Inc Device [1002:7935]
  00:06.0 PCI bridge [0604]: ATI Technologies Inc RS7936 PCI Bridge [1002:7936]
  00:07.0 PCI bridge [0604]: ATI Technologies Inc Device [1002:7937]
  00:12.0 SATA controller [0106]: ATI Technologies Inc SB600 Non-Raid-5 SATA [1002:4380]
  00:13.0 USB Controller [0c03]: ATI Technologies Inc SB600 USB (OHCI0) [1002:4387]
  00:13.1 USB Controller [0c03]: ATI Technologies Inc SB600 USB (OHCI1) [1002:4388]
  00:13.2 USB Controller [0c03]: ATI Technologies Inc SB600 USB (OHCI2) [1002:4389]
  00:13.3 USB Controller [0c03]: ATI Technologies Inc SB600 USB (OHCI3) [1002:438a]
  00:13.4 USB Controller [0c03]: ATI Technologies Inc SB600 USB (OHCI4) [1002:438b]
  00:13.5 USB Controller [0c03]: ATI Technologies Inc SB600 USB Controller (EHCI) [1002:4386]
  00:14.0 SMBus [0c05]: ATI Technologies Inc SBx00 SMBus Controller [1002:4385] (rev 14)
  00:14.1 IDE interface [0101]: ATI Technologies Inc SB600 IDE [1002:438c]
  00:14.2 Audio device [0403]: ATI Technologies Inc SBx00 Azalia (Intel HDA) [1002:4383]
  00:14.3 ISA bridge [0601]: ATI Technologies Inc SB600 PCI to LPC Bridge [1002:438d]
  00:14.4 PCI bridge [0604]: ATI Technologies Inc SBx00 PCI to PCI Bridge [1002:4384]
  01:05.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon Xpress 1250 [1002:7942]
  05:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express Adapter [168c:001c] (rev 01)
  0b:05.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ [10ec:8139] (rev 10)
=== xorg.conf ===

Latest revision as of 22:14, 25 November 2017

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