Archive for February, 2015

Raspberry Pi 2 runs nicely on a SATA hard drive using a USB/SATA enclosure

Saturday, February 28th, 2015

After testing USB SATA adapter performance on the Raspberry Pi 2 Model B, I decided it would be nice to have a lot more disk space for Raspberry Pi 2 development work for RoboPi and my other projects.

https://Mikronauts.com Raspberry Pi 2 USB hard drive and adapter tests

(click on image for larger version)

I used gdisk to re-partition the 3TB 7200rpm Toshiba SATA drive, making a 200GB ‘usbroot’ partition, and making a ‘usbdrive’ partition for the rest of the drive for files.

It will be interesting to see how it performs as a development box – will the extremely fast seek times of an SD card be more important than the (roughly) twice as fast disk read speed?

The Raspberry Pi 2 is quite capable of being used as a development system, so I’ve decided to make a dedicated RPi2 development box I can ssh and rdp into from anywhere in my network.

So far I can report that the system feels snappier, especially when loading large applications. I will probably do some more tests later.

The output from ‘df’ is also pleasing 🙂

(Please let me know if y’all would like an article/howto on how to set up such a box)

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Raspberry Pi 2 USB hard drive and adapter tests article posted

Thursday, February 26th, 2015

I test two SSD’s, two hdd’s, and four USB2&3 adapters in order to find out how USB drives perform with an Raspberry Pi 2!

https://Mikronauts.com Raspberry Pi 2 USB hard drive and adapter tests

(click on image for largerversion)

I was pleasantly surprised with the test results. Click on the link below for the tests, results, and analysis.
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Raspberry Pi 2 USB hard drive and adapter tests

Article Index

  1. Introduction, Test Equipment, Software Setup, Benchmarks, hdparm
  2. dd Read, dd Write, dd Copy, Conclusion

Index Page for Mikronauts Single Board Computer Reviews added

Friday, February 20th, 2015

I added an index page for Raspberry Pi 2 etc, Banana, ODROID, MIPS etc (7) reviews at Mikronauts.com – more reviews soon.

Raspberry Pi 2 Model B Review @ https://Mikronauts.com

Link to index: https://www.mikronauts.com/all-single-board-computer-reviews/

Raspberry Pi Reviews

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Banana Pi Reviews

ODROID Reviews

MIPS Reviews

(Sorry about the crowded navigation bar on the left, I intend to change it it this year to collapse categories by default)

Raspberry Pi 2 ARMv7 Linaro vs. ARMv6 Raspbian

Friday, February 13th, 2015

Linero is compiled for ARMv7 … Raspbian is compiled for ARMv6… which is faster?

Raspberry Pi 2 Model B Review @ https://Mikronauts.com

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I re-ran the benchmarks I used for my recent Raspberry Pi 2 Model B Review on Linaro… you read the results for yourself in my latest article:

Raspberry Pi 2: Raspbian vs. Linaro (ARMv6 vs ARMv7)

Raspberry Pi 2 Model B Review

Wednesday, February 11th, 2015

Curious about the new Raspberry Pi 2 Model B and how it compares to the ODROID C1, Banana Pro, MIPS CI20 and Model B+? I was!

Raspberry Pi 2 Model B Review @ https://Mikronauts.com

Here is my largest and most comprehensive single board computer review to date. I added more benchmarks – so now there are some usage benchmarks (boot and launch times), development benchmark (compiling Emacs), and a lot of synthetic benchmarks, power utilization test and mure.

Article Index

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  1. Introduction
  2. A Closer Look
  3. Feature Comparison, Operating Systems, Software Compatibility
  4. Common Applications, GPIO, Multimedia, Hardware Compatibility
  5. (more) Hardware Compatibility, WiFi USB Stick Compatibility
  6. Documentation, Benchmarks
  7. (more) Benchmarks, Power Utilization, Support, Conclusion