Quote from: HF-Engineer on February 05, 2014, 07:02:58 AM

Quote from: legendroute on February 05, 2014, 06:27:18 AM

Hi Phil,
It seems that it is the issue of the SD card you shipped. I replaced that card with my sandisk which is working now.
I think the SD card you provided is too thin so that the pins do not contact properly in the slot in the RB Pi. My sandisk card is much thicker and after I plug it in, I can feel solid contact. Anyway, thank you for your help. I can see it's hashing at 415G/s but for your default BTC address, will switch to my address and see. Grin

Awesome, Glad to hear it! Is the original SD card we shipped actually a "no name" Micro SD inside an adapter with the Raspberry Pi logo on it? We got those specifically because they are "official" RPI cards, so they'd be the most likely to work well, but it's turning out that they stink. We'll test some different ones for the next batch.

BTW, any time you build a new image, the first time it boots, it makes a new bitcoin wallet (viewable on the "wallet" page of the web UI), and begins mining with that wallet. Be sure if it made any BTC that you don't forget to collect it! If you make a backup from the settings page, the wallet is also backed up and restored. If you want to change to a new wallet or mining username, that's done on the "pools" page of the web UI. If you ever restore from a previous backup, it puts all your original settings in, so it's a good idea to make a backup once you get things dialed in like you want. (In case an SD card dies or something.)

-Phil

Also Phil, I have two more questions:
1. I can see some errors in cgminer out put, how to fix them?
http://i.imgur.com/eG8L8XV.png
As you can see the hardware error is keep going up, is this normal?
Also the first line of the scroll-able zone there is an error message:
HFA 0 attempted reset got err:(-5) LIBUSB_ERROR_NOT_FOUND
How to fix it?

2. Second, with default configuration, from cgminer's interface I can see the hash rate is always around 400GH/s. But from pool statistics average is only between 320 to 380. How to explain that? Can I say my BJ does not perform as described in specification?
Thanks you!
http://i.imgur.com/CaBvWqB.png