RPi Easy SD Card Setup - eLinux.org

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Things may calm down a bit if the following file is created in /etc/modprobe.d (eg: sudo vi /etc/modprobe.d/smscnonturbo.conf) and then the RPi rebooted: smscnonturbo.conf: options smsc95xx turbo_mode=N This fix may slow down wired LAN performance but help with wireless and reduce the frequency of the debug messages - YMMV. If you want to undo this fix, just delete the file (sudo rm /etc/modprobe.d/smscnonturbo.conf) and reboot. Firmware requirements If no wlanx device is shown, you might need to download firmware for your USB wifi device (or track down other compatible drivers if they are available). To confirm this, check the dmesg output when you plug in your adapter - typing dmesg at the command prompt may be sufficient - and look for information related to your adapter - the example dmesg output below shows what is seen in the event of the TP-Link firmware not being present - notice that the name of the required firmware file is given (htc_9271.fw), the driver name (ath9k_htc) and an error -22 message: usb 1-1.2.4.2: ath9k_htc: Firmware - htc_9271.fw not found ath9k_htc: probe of 1-1.2.4.2:1.0 failed with error -22 usbcore: registered new interface driver ath9k_htc Armed with this information, try a web search for 'debian 6' and the name of the driver or driver file and/or head over to http://linuxwireless.org. Also check the links at the top of this page. Power requirements If you experience erratic network, keyboard, mouse or Raspberry Pi operation when using a USB wifi dongle, check that whatever is powering your RPi and/or USB hub can deliver sufficient current for everything that's connected together. The first setup tried with the TP-Link adapter had it, a keyboard, mouse and the RPi all connected to a Trust 7-port powered USB hub with a 5V 2A power supply, but in this configuration the mouse stopped working. In this case, the fix was to power the RPi from a separate 5V 1A phone power adapter. wpasupplicant deamon failed to start a) If you get this error when you attempt to
sudo ifup wlan0 Then there may be a syntax error in your /etc/wpa.conf For example, ensure that your SSID and Password have double quotes round them, and that the curly brackets are closed. b) Another possible solution could be changing: iface wlan0 inet dhcp to iface wlan0 inet manual in /etc/network/interfaces. Then sudo ifup wlan0 then sudo ifdown wlan0 then changing manual to dhcp. Works me, as described http://unix.stackexchange.com/a/7717. Retrieved from "http://elinux.org/index.php?title=RPi_Peripherals&oldid=168254" Category: RaspberryPi ▪ This page was last modified on 9 September 2012, at 21:59. ▪ Content is available under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Page 1 and 2: RPi Easy SD Card Setup From eLinux.
Page 3 and 4: Easy way To write your SD card you
Page 5 and 6: where flashnul.exe -L 1. ▪ Flas
Page 7 and 8: However if you are curious as to th
Page 9 and 10: (or other odd characters, for that
Page 11 and 12: vi /etc/fstab ▪ Enter a line exac
Page 13 and 14: Where to start? Any easy question t
Page 15 and 16: If you're unsure of which locale to
Page 17 and 18: Debian Wheezy, using raspi-config D
Page 19 and 20: Media Player With this configuratio
Page 21 and 22: ▪ Entering "sudo apt-get install
Page 23 and 24: Tutorials - Guides - Projects - Tas
Page 25 and 26: the problem has been mitigated some
Page 27 and 28: out cheaper to buy a new monitor.)
Page 29 and 30: Note: If a Netgear router has a bla
Page 31 and 32: Connecting Together You can use the
Page 33 and 34: RPi Peripherals From eLinux.org Set
Page 35: ▪ Start the adapter sudo ifup wla
Page 39 and 40: For more info about DVI, VGA, and S
Page 41 and 42: RGB analog/VGA The Broadcom BCM2835
Page 43 and 44: ▪ Analog Devices HDMI Receivers (
Page 45 and 46: Model Wizard - Buying Guide - SD Ca
Page 47 and 48: Back to the Hub. Software & Distrib
Page 49 and 50: Comparison
Page 51 and 52: OpenELEC (http://openelec.tv/ compo
Page 53 and 54: Arch Arch Linux ARM (http://archlin
Page 55 and 56: •Added rndis_wlan wifi driver (br
Page 57 and 58: ha-pi ▪ Main Site (https://source
Page 59 and 60: support for changing the user and h
Page 61 and 62: Mes (Marshmallow Entertainment Syst
Page 63 and 64: RPi VerifiedPeripherals From eLinux
Page 65 and 66: A note about this page: For USB dev
Page 67 and 68: Powered USB Hubs A number of low-co
Page 69 and 70: ArchLinux, didn't work with Bodhi L
Page 71 and 72: ▪ [14] (http://plugable.com/produ
Page 73 and 74: ▪ Dell ▪ F5U404 Hi-Speed USB 2.
Page 75 and 76: ▪ Targus ▪ ACH115EU 7-port powe
Page 77 and 78: ▪ SK-9625 Multimedia Keyboard (B)
Page 79 and 80: ▪ EBO-013 Wireless 2.4GHz compact
Page 81 and 82: ▪ 21840 (Wireless RF 2.4GHz Micro
Page 83 and 84: ▪ Motorola ▪ ▪ Bluetooth wire
Page 85 and 86: ▪ Sweex ▪ KB060UK (http://www.s
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▪ Wired Multimedia Keyboard Model
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▪ Asda ▪ HM5058 (Smart Price) W
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▪ Microsoft ▪ Comfort Curve Mou
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▪ Logitech G400 Gaming Mouse - 10
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download (http://www.element14.com/
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non-free repository. (However I exp
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▪ ▪ edup nano EP-N8508 (http://
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▪ inner 02 joggler wifi usb RT277
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variant (http://learn.adafruit.com/
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▪ RiiTek RT-MWK02+ - comes with a
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The adapter seems to work without a
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▪ DVB-T205, based on rtl2832u chi
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▪ QuickCam Pro 9000 - powered by
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USB UART and USB to Serial (RS-232)
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▪ Contents of floppy now availabl
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▪ 5V 2.1A USB charger for iPad2,
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▪ 5V 1A dual USB power supply, mo
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Problem power Adapters ▪ Masterpl
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HDMI->VGA converter boxes Most will
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And another one: http://cgi.ebay.pl
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cd /sys/class/mmc_host/mmc?/mmc?:*
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▪ 32GB SDHC Class 10 (man:0x00000
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▪ 4GB SDHC Class 6 Platinum II (f
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▪ pqi ▪ 4GB SDHC Class 4. Micro
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234c19de7cbaaf4997671d61df20a057590
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▪ 16GB SDHC Class 10 SD-T16G (104
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▪ 16GB SDHC Class 6 (Possibly SD5
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▪ 2GB Ultra || 15MB/s (BE08287132
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Note that the following error is so
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R-Pi Troubleshooting From eLinux.or
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Red power LED is blinking The red p
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Coloured splash screen With recent
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Some users have reported that their
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Copyright (c) 2012 Broadcom version
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Networking Ethernet connection is l
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As of 1 September 2012, this fault
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Speaker-test -c 2 -s 1 -t wav -W /u
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Can only get 800x480 resolution in
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Edit the configuration file, see th
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Composite displays no image The out
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sudo apt-get update Troubleshooting
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3. Turn your board over and find th
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Board ver. RAM Chip USB Chip BS12xx
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▪ This page was last modified on
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Here is an example file # Set stdv
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hdmi_ignore_cec Pretends CEC is not
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hdmi_mode=18 1024x768 75Hz hdmi_mod
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Which values are valid for my monit
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Overclocking WARNING: Setting any o
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enables dynamic clocks and voltage
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Retrieved from "http://elinux.org/i
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Hardware and Hardware History. Low-
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Each GPIO can interrupt, high/low/r
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Colour legend +5 V +3.3 V Ground, 0
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GPIO02, 03, 05 and 27 are available
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GPIO as input or output and change
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Make sure pointer is on 4K boundary
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GPIO Driving Example (Java) This us
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gpio export 17 out gpio export 18 i
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# call set_debug(1) to do a non-des
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References 1. ↑ http://www.raspbe
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RaspberryPi Boards From eLinux.org
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Model B:
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BS1218 Samsung ? BH1208 BH1219 BH12
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BH1218 Hynix SMSC BH1218 Hynix SMSC
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BS1224 BS1218 BS1222 BS1232 BS1228
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RPi Hardware From eLinux.org Back t
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Components (Provisional - some of t
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▪ S8: SD/MMC/SDIO memory card slo
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▪ Board B: 5V, 700 mA (3.5W) with
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▪ If the PSU is unregulated it ca
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work initially but be unreliable be
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4. ↑ RPiBlog Post: High-res pics
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Cheap PSU Cheap PSU - inside So ins
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With this values (R1=1k, R2=100) ad
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Mobile battery power supply options
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RPi Documentation From eLinux.org B
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Beta Boards: Gert's Beta Boards Mec
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Retrieved from "http://elinux.org/i
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