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by wartstew
Fri Nov 15, 2013 5:03 am
Forum: General discussion
Topic: Web radio distro?
Replies: 4
Views: 1305

Re: Web radio distro?

I got one of mine working pretty well for a single-URL web radio. I just used Raspian, which is pretty much my "reference" for doing anything quick and custom as it has a nice big software repository. A unique thing I did is that upon boot-up, it checks to see if a HDMI display is connected to it, i...
by wartstew
Tue Oct 22, 2013 11:40 pm
Forum: Advanced users
Topic: Wearout Prevention of SD card memory
Replies: 39
Views: 52491

Re: Wearout Prevention of SD card memory

As I've posted elsewhere, I've had 5 SD cards fail in RPI's so far. For me the data loss isn't a problem, but having the RPI stop doing what it is suppose to do every couple of months has been a problem. I've already been tweaking things like turning off swap files, the whole rsyslog mechanism, etc....
by wartstew
Tue Oct 22, 2013 10:09 pm
Forum: Raspbian
Topic: Raspbian - firmware update - conclusion
Replies: 33
Views: 4306

Re: Raspbian - firmware update - conclusion

I'm chiming in with my experience (mostly bad :( ) with SD cards. Here are some details I have experience with 6 different RPI's: One version 1, the rest are version 2's, one of which is a Model A. Originally my old Model 1 was horrible: very slow I/O performance, frequent file system corruption pro...
by wartstew
Sun Jun 02, 2013 7:01 pm
Forum: Raspbian
Topic: Mythtv Working (Packages Provided)
Replies: 115
Views: 61468

Re: Mythtv Working (Packages Provided)

Thanks for getting Mythtv ported to the Pi! It was the original reason I bought one. I installed the pre-built binaries listed on the top of this forum thread. I am only interested on Mythfrontend as I have an existing backend running on a different box and only want to add a "set-top" box to a seco...
by wartstew
Sun Apr 28, 2013 6:00 pm
Forum: Media centres
Topic: Hard Drive Power
Replies: 13
Views: 9092

Re: Hard Drive Power

Yea, it all depends on many things: 1) How much power your power supply(s) can actually provide (despite their ratings), including some "peak current" capability 2) How much power the hard drive actually takes. Some may require a lot of initial "turn-on" current that these power supplies can't provi...
by wartstew
Sun Apr 28, 2013 5:38 pm
Forum: Media centres
Topic: A Few Questions :)
Replies: 3
Views: 795

Re: A Few Questions :)

Firstly, I wouldn't trust the advertised current ratings on common low-cost power supplies. Some might even exceed their ratings, but probably most would have trouble making them (unless you are in Europe and running them from 220 volts instead US 120 volts). Even if they do while they are new, if r...
by wartstew
Sun Apr 28, 2013 5:01 pm
Forum: Media centres
Topic: USB Sound - openelec
Replies: 1
Views: 1613

Re: USB Sound - openelec

I had one working. One thing is that it kind of looks like you are using a USB hub. I too, but one of my hubs did not work so well, it tended to make my mouse & keyboard non or slow responsive. It also made distorted audio. Once I tried my other hub, all worked fine. So try another hub, or no hub at...
by wartstew
Sun Apr 28, 2013 4:36 pm
Forum: Media centres
Topic: What are your OVERCLOCKING settings when using XBMC??
Replies: 32
Views: 104125

Re: What are your OVERCLOCKING settings when using XBMC??

I have 2 RPi's (just got my new 512M version). My original one (one of the 1st 10,000 made) has had lots of trouble corrupting its SD card, even with the "Core" not overclocked. I even stuck a home-brew heatsink (glued a brass "swamp cooler" water-line fitting on to it) on the memory chip, which *di...
by wartstew
Sun Apr 28, 2013 12:30 am
Forum: General discussion
Topic: AC to DC power [solved]
Replies: 17
Views: 3305

Re: AC to DC power [solved]

I agree that stepping 24V down to 5V using a "linear" (analog) regulator, will mostly make a lot of heat! If that transformer has a "center tap" (third "middle" wire on the secondary winding), then you might try using it to do a "full wave" rectifier circuit using the center tap wire which then woul...
by wartstew
Sun Apr 21, 2013 5:09 pm
Forum: Advanced users
Topic: RaspberryPi as Audio-Out Server
Replies: 7
Views: 3994

Re: RaspberryPi as Audio-Out Server

I just started looking at a similar personal project for the Pi: Using "jackaudio" and "netjack". jackaudio is a low latency audio layer, somewhat similar to pulse audio, that has an available plug in called "netjack" (there are actually two different versions of "netjack", not to be confused with t...
by wartstew
Sun Jun 24, 2012 2:15 am
Forum: General discussion
Topic: SD Card performance in R-Pi onboard slot
Replies: 289
Views: 147724

Re: SD Card performance in R-Pi onboard slot

As with my last post a few pages back, I haven't completely read everything on this thread before posting this. First: Thanks for all the hard work in this area. I am using the official kernel with the recent patches talked about here and enjoy full speed from my SD card (8GB Class 10 Super Talent)....
by wartstew
Sun Jun 24, 2012 1:41 am
Forum: Debian
Topic: I/O error when reading flash drive
Replies: 10
Views: 7208

Re: I/O error when reading flash drive

I too am getting these errors, only in my case it gets much worse: I think I've destroyed two flash cards! :cry: What happens is that about half way through copying an image using "dd" I start getting errors in in dmesg such as "Mode Sense: 03 00 00 00" and "reset high-speed USB device ...", finally...
by wartstew
Fri Jun 08, 2012 4:59 am
Forum: Troubleshooting
Topic: SD card error messages.
Replies: 10
Views: 3212

Re: SD card error messages.

I have the same problem with an 8-Gig Super Talent Class-10 and an old 2-Gig Adata (unknown exact speed, but performs about like a Class-2). The Class-2 has the RaspXBMC distro on it, but XBMC would just come up and appear to freeze. It seems to spit out a lot more of these errors as it was installi...
by wartstew
Tue Jun 05, 2012 4:41 pm
Forum: General discussion
Topic: SD Card performance in R-Pi onboard slot
Replies: 289
Views: 147724

Re: SD Card performance in R-Pi onboard slot

I've had my RP for only a day now. :D I immediately noticed slow I/O speeds to the SD card. :( I had purchased a class-10 card and verified on a PC that it could pass the “hdparm -t” test at doing about 18 MB/s, yet in the RP it only does ~4.4 – 4.6 MB/s. I guess this means that don't waste your mon...

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