由於筆電用2.5吋硬碟開機實在很慢
又目前SSD固態硬碟的價格也落在一般消費者可接受的價位
所以就想將SSD固態硬碟取代原筆電的2.5吋硬碟當開機碟
這需要將筆電的光碟機拆下來
- 9月 15 週一 201415:11
筆電改裝SSD全記錄
由於筆電用2.5吋硬碟開機實在很慢
又目前SSD固態硬碟的價格也落在一般消費者可接受的價位
所以就想將SSD固態硬碟取代原筆電的2.5吋硬碟當開機碟
這需要將筆電的光碟機拆下來
- 9月 11 週四 201414:55
DLNA使用方法
因為手機用3G吃到飽方案
隨時都可以觀看youtube或hami+的影音檔案
但是手機小螢幕看的不過癮
因此想把手機小螢幕畫面放到家中大尺寸的液晶螢幕
- 9月 11 週四 201409:48
如何自製排播系統
目前無論是網路、3G、4G、WIFI的連網速度越來越穩定及快速
也有不少免費或付費的排播系統可使用手機或android機上盒來收看各式頻道或影片
頻道來源可以是接收衛星訊號再轉成網路串流
頻道來源也可以是將多個影片透過排播程式串在一起並轉成網路串流
- 8月 28 週四 201410:14
What’s Banana Pi？
What’s Banana Pi？
It’s an open-source single-board computer. It can run Android 4.4, Ubuntu, Debian, Rasberry Pi Image, as well as the Cubieboard Image. It uses the AllWinner A20 SoC, and has 1GB DDR3 SDRAM
What can I do with Banana Pi?
Build…
Who’s it for?
Banana Pi is for anyone who wants to start creating with technology – not just consuming it. It's a simple, fun, useful tool that you can use to start taking control of the world around you.
- 8月 28 週四 201410:00
Banana Pi Quick Start Guide
Banana Pi Quick Start Guide
By Tony Zhang
By following this short quick start guide, you can use your Banana Pi in just a few minutes. There are three steps to boot your Banana Pi.
Step 1: Get what you need.
To enjoy the use of your Banana Pi, you will need at least the accessories in the table below.
No.
Item
Minimum recommended specification & notes
1
SD card
2a
HDMI(Full sized) to HDMI / DVI lead
2b
AV video lead
3
Keyboard and mouse
4
Ethernet cable/USB WiFi(Optional)
5
Micro USB power adapter
6
Audio lead (Optional)
7
Mobile Hard disk (Optional)
Step 2: Prepare your SD card for the Banana Pi
In order to enjoy your Banana Pi, you will need to install an Operating System (OS) onto an SD card. Instructions below will teach you how to write an OS image to your SD card under Windows and Linux.
Insert your SD card into your computer. The size of SD should be larger than the OS image size, generally 4GB or greater.
Format the SD card.
Windows:
Download the OS image from the Downloads webpage.
Unzip the download file to get the OS image.
Windows: Right click on the file and choose “Extract all”.
Linux: Run unzip [path]/[downloaded filename] command.
If the filename extension is .tgz, run tar zvxf [path]/[downloaded filename] command.
Ensure that neither the file name of the image you're using or the path contain any spaces (or other odd characters, for that matter).
Write the image file to the SD card.
Windows:
Step 3: Set up your Banana Pi
According to the set up diagram below, you can easily set up your Banana Pi.
Insert the newly written SD card to the SD card spot on the left side edge of the underside of the board.
On the bottom "edge" in the middle of the board is the HDMI Type A (Full sized) port, just on the right of the SATA port. Just connect any HDMI cable from the board to your TV or HDMI Monitor.
If you don't have a TV/Monitor with a HDMI or DVI-D port you can use the yellow AV jack located in the middle of the "top" edge and the 3.5 mm stereo headphone jack to the right of it.
Plug a USB keyboard and mouse into the USB slots located on the right edge.
Just under the USB ports on the right edge is the ethernet connector for anyone who wants to plug the Banana Pi into a wired network.
Finally, at the very left of the bottom edge is the micro-usb power connector. Plug in a regulated power supply that is rated at 5V ±5% and at least 1A. Any number bigger than 1A (like 2A) will also work. Avoid using the smaller chargers used for small GSM phones, as these are often unregulated, even if they claim "5V 1A", they may do "5V" and may do "1A", but not at the same time!
The mini-USB (on the left) is the wrong one. It’s thicker and looks like a trapezoid with its sides pinched in. The micro-USB (on the right) is the correct one. It is thinner and also looks like a trapezoid except it’s sides are rounded outward.
If you have a free 2.5 inch hard drive, you can put it into use on Banana Pi. Connect the SATA cable to the SATA port just between micro-USB and HDMI. Remember put the power cable with 2 male 2.54mm headers into the SATA power. Then you can plug your hard drive into the other side of the SATA cable. Be careful with the connection of different color cables. (This step can be skipped)
If all goes well, the Banana Pi will boot in a few minutes. The screen will display the OS GUI.
Step 4: Shut down your Banana Pi
You can use the GUI to shut down the Banana Pi safely.
Also you can run the command in the terminal:
sudo halt
or
sudo shutdown –h now
This will shut down the PI safely, (just use the power key to turn off might damage the SD-cards file system). After that you can press the power key for 5 seconds to turn it off.
By Tony Zhang
By following this short quick start guide, you can use your Banana Pi in just a few minutes. There are three steps to boot your Banana Pi.
Step 1: Get what you need.
To enjoy the use of your Banana Pi, you will need at least the accessories in the table below.
- Minimum size 4Gb; class 4 (the class indicates how fast the card is).
- We recommend using branded SD cards as they are more reliable.
- HDMI to HDMI lead (for HD TVs and monitors with HDMI input).
OR
HDMI to DVI lead (for monitors with DVI input).
- A standard AV video lead to connect to your analogue display if you are not using the HDMI output.
- Any standard USB keyboard and mouse should work.
- Keyboards or mice that take a lot of power from the USB ports, however, may need a powered USB hub. This may include some wireless devices.
- Networking is optional, although it makes updating and getting new software for your Banana Pi much easier.
- A good quality, micro USB power supply that can provide at least 1A at 5V is essential.
- Many mobile phone chargers are suitable—check the label on the plug.
- You can choose a 3.5mm jack audio led to connect to audio port to get stereo audio.
- You can choose to connect a mobile hard disk to SATA port to store more files.
 |  |  | |||
| HDMI to HDMI lead | HDMI to DVI lead | AV video lead | |||
 |  | ||||
| SD card | Micro USB power adapter | ||||
Step 2: Prepare your SD card for the Banana Pi
In order to enjoy your Banana Pi, you will need to install an Operating System (OS) onto an SD card. Instructions below will teach you how to write an OS image to your SD card under Windows and Linux.
Windows:
- Download the a SD card format tool such as SD Formatter from
https://www.sdcard.org/downloads/formatter_4/eula_windows/ - Unzip the download file and run the setup.exe to install the tool on your machine.
- In the "Options" menu, set "FORMAT TYPE" option to QUICK, "FORMAT SIZE ADJUSTMENT" option to "ON".
- Check that the SD card you inserted matches the one selected by the Tool.
- Click the “Format” button.
- Run fdisk –l command to check the SD card node.
- Run umount /dev/sdxx to unmount all the partitions of the SD card.
- Run sudo fdisk /dev/sdx command to configure SD card. Use o command to delete all partition of SD card and use n command to add one new partition. Use w command to save change.
- Run sudo mkfs.vfat /dev/sdx1 command to format the new created partition of SD card as FAT32.
(x should be replaced according to your SD card node)
You can also jump this step under Linux, because write image command dd under Linux will format the SD card automatically.
Windows: Right click on the file and choose “Extract all”.
Linux: Run unzip [path]/[downloaded filename] command.
If the filename extension is .tgz, run tar zvxf [path]/[downloaded filename] command.
Ensure that neither the file name of the image you're using or the path contain any spaces (or other odd characters, for that matter).
Windows:
- Download a tool that can wirte images to an SD card, such as Win32 Diskimager from:http://sourceforge.net/projects/win32diskimager/files/Archive/
- Open the unzipped image file.
- Click Write button. Wait patiently to successfully complete writing.
- Run sudo fdisk –l command to check the SD card node.
- Verify if the hash key of the zip file is the same as shown on the downloads page (optional).
sha1sum [path]/[imagename]
This will print out a long hex number which should match the "SHA-1" line for the SD image you have downloaded. - Run umount /dev/sdxx to unmount all the partition of the the SD card
- Run sudo dd bs=4M if=[path]/[imagename] of=/dev/sdx command to write image file to SD card. Wait patiently to successfully complete writing. Please note that block size set to 4M will work most of the time, if not, please try 1M, although 1M will take considerably longer.You can use sudo pkill –USR1 –n –x dd command to check progress
Step 3: Set up your Banana Pi
According to the set up diagram below, you can easily set up your Banana Pi.
If you don't have a TV/Monitor with a HDMI or DVI-D port you can use the yellow AV jack located in the middle of the "top" edge and the 3.5 mm stereo headphone jack to the right of it.
The mini-USB (on the left) is the wrong one. It’s thicker and looks like a trapezoid with its sides pinched in. The micro-USB (on the right) is the correct one. It is thinner and also looks like a trapezoid except it’s sides are rounded outward.
If all goes well, the Banana Pi will boot in a few minutes. The screen will display the OS GUI.
Step 4: Shut down your Banana Pi
You can use the GUI to shut down the Banana Pi safely.
Also you can run the command in the terminal:
sudo halt
or
sudo shutdown –h now
This will shut down the PI safely, (just use the power key to turn off might damage the SD-cards file system). After that you can press the power key for 5 seconds to turn it off.
- 8月 27 週三 201413:13
Raspberry vs Banana : hardware duel
From: http://hardware-libre.fr/2014/06/raspberry-vs-banana-hardware-duel/
Raspberry vs Banana : hardware duel
I took the time to play with the Banana Pi board, and made some benchmarks against the Raspberry Pi.
Here are the specs of the two (three) board, performance related :
Raspberry Pi [model A] [model B]
Banana Pi
Chip
Broadcom BCM2835 SoC full HD multimedia applications processor
Allwinner A20 (sun7i)
CPU
700 MHz Low Power ARM1176JZ-F
ARM Cortex-A7 Dual-Core 1GHz
GPU
Dual Core VideoCore IV, OpenGL ES 2.0/1.1
ARM Mali400 MP2, OpenGL ES 2.0/1.1
Memory
[256] [512] MB 400MHz SDRAM
1GB DDR3 SDRAM (shared with GPU)
Storage
SD, MMC, SDIO onboard
SD (Max. 64GB) / MMC onboard
SATA onboard
Network
[None] [10/100 on LAN9512 chip]
10/100/1000 on A20
USB2.0 ports
[1 on BCM2835] [2 on LAN9512 chip]
2 on A20
Video output
HDMI 1.3a, composite RGBDisplay Serial Interface (DSI) onboard
HDMI 1.4, composite RGBCVBS , LVDS onboard
Power Source
5v / 1.2A on micro-usb
5v / 2A on micro-usb
I used a second Raspberry Pi, model A, to compare it to the two other, when possible (not that easy with only one usb and no ethernet onboard).
For the tests, I used the 2 new, exact same SD cards : SANDISK Ultra – SDHC Class 10
On the Raspberry Pi, I « burned » a fresh 2014-01-07-wheezy-raspbian image.
On the Banana Pi, I « burned » a fresh Raspbian_For_BananaPi_v2_0 image.
According to the developpers, the Banana Pi image is perfectly compatible with a Raspberry Pi. I tried it, and it’s true : the Raspberry boots normaly from the Banana Pi’s image. So, I conducted the benchs one more time, using a Raspberry model B with the Banana image. I will use the results to see the OS performance hit (if any) and to what extend those benchs are trustable.
Similarities stop here. There are enough differences to expect a performance boost. Let’s dive into the details.
Edit : new power consumption and SATA performance benchmarks here !
I initially planned to include the HummingBoard in this test, but their sales dpt never answered to my emails… :-(
1. CPU
This is a surprise : in a single-threaded test, the Allwinner A20 chip is slower than the Broadcom BCM2835, even with theorically 1GHz, compared to the Raspberry’s 700MHz..
However, the A20 ran 4x faster on the same dual-threaded test. This is a massive gain over the Broadcom BCM2835 (over a 3 magnitude).
I ran some checks during normal linux operations (apt-get, internet, arduino IDE, etc) to verify the A20 always runs on 2 cores : it seems to.
2. GPU
I don’t know how the Mali400 GPU should compete versus the Dual VideoCore IV. I just know my
Galaxy S3 runs on a Mali400, and it runs pretty well in HD movies and video-games.
The Mali400 performance boost versus the VideoCore, is huge (over 4x) ! Gtkperf may not be the best graphic benchmark, but there’s something.
3. Memory
Going from 256 or 512 MB SDRAM to 1GB DDR3 should be a nice performance boost, again.
The Banana beats the Raspberry, especially on MCBLOCK were the gain is massive. Unfortunatly I don’t really know how to interpret those values, except higher is better…
4. SD card
It is very difficult to run reliable disk benchs on a SD card, because of the inevitable wear. And disc bench cause huge stress on a SD card, with many reads/rewrites. So, depending on the wearing of each card when I did these tests, results may be a little off.
I think we could consider normal SD operations are the same, on Banana or Raspberry. I think the massive boost in cached reads is due to the memory.
If you know better benchmarks I could run (non destructive for the SD card, please ^^), let me know, thanks !
5. Networking
One of the things that annoys me the most on the Raspberry is the network and/or usb speed / reliability. Remember, on the Raspberry Pi model B, ethernet bandwith is shared with the 2 USB2.0. So, the network performance is not fantastic.
On the Banana, the 2 USB2.0 ports are direct from the Allwinner A20 chip, and there’s a dedicated chip for the Gigabit ethernet. So, let’s see how this really runs :
The difference is massive ! I did the test on a Gigabit switch, several times. The result is consistent.
6. Advanced tests
I did some complete tests using hardinfo on both boards. The resulting documents are a little too big to be posted here, and there are many nice infos in them. You can view them here :
Raspberry Pi
Raspberry Pi running Banana Pi Raspbian image (v2.0)
Banana Pi
Those reports are also available on my GitHub
Conclusion
I felt like going from a Pentium III-800MHz to a first-generation Core-Duo. The performance boost is very noticeable, everywhere. It could be easily used as a desktop PC or as a webserver. No problem.
Despite still being really « beta », the Banana’s Raspbian runs really well : unlike the Raspberry, there’s no lag when opening the lightdm menu, programs launch very fast, and internet browsing is really pleasant. The OS is ready in 30 seconds from power-on, and everything I needed (HDMI, wireless keyboard, usb-wifi…) worked out of the box.
I don’t really use my Raspberries as media-servers/client, so I can’t really tell about the multimedia performance. But given the A20 specs (made for tablets, with multimedia buit-in functions) and the glxperf results, I’m not worried about it.
When running X desktop, I noticed the cpu bargraph almost never reached 100% on the Banana, no matter what I did. It remained low/middle almost all the time. On the Raspberry, the bargraph jumps to 100% all the time.
The Banana Pi OS seems almost equally powerfull than Raspbian official, on a Raspberry Pi. The Banana Pi works with Banana and Raspberry boards out of the box, and this little detail is very important.
I know for a fact XBMC is not supported yet, but it’s incoming.
One could argue the community is almost inexistant, so are the sources / documentations. But the Allwinner chip family is well documented, with a lot of sources available, and some talented developers : the Axx chip is present in a lot of devices, especially tablets (its main purpose). The Banana Pi team seems to be working hard to resolve the last software issues of the board, and is communicating very well. It’s a very good thing.
Personaly, I really like this board. It’s powerfull, with a lot of connections, and almost everything I miss in my Raspberries : faster, more stable power, better networking and USB, and an onboard RTC, and SATA, and, and…
However, for now, I wouldn’t recommend it to a novice in this type of hardware, because of the OS relative youth. The Raspberry is still the perfect start point.
On a side note, someone did almost the same tests between a Raspberry and a CubiBoard here. Combining the two articles can be very informative.
Next, I plan to run the Banana like a Raspberry : GPIO, I²C, SPI, tft-touch display, etc… I’ll keep you informed.
Out of curiosity : how many of you would buy one for ~50-60$, if you could buy it right here ? Let me know in the comments or on our Google+ page !
Raspberry vs Banana : hardware duel
I took the time to play with the Banana Pi board, and made some benchmarks against the Raspberry Pi.
Here are the specs of the two (three) board, performance related :
SATA onboard
I used a second Raspberry Pi, model A, to compare it to the two other, when possible (not that easy with only one usb and no ethernet onboard).
For the tests, I used the 2 new, exact same SD cards : SANDISK Ultra – SDHC Class 10
On the Raspberry Pi, I « burned » a fresh 2014-01-07-wheezy-raspbian image.
On the Banana Pi, I « burned » a fresh Raspbian_For_BananaPi_v2_0 image.
According to the developpers, the Banana Pi image is perfectly compatible with a Raspberry Pi. I tried it, and it’s true : the Raspberry boots normaly from the Banana Pi’s image. So, I conducted the benchs one more time, using a Raspberry model B with the Banana image. I will use the results to see the OS performance hit (if any) and to what extend those benchs are trustable.
Similarities stop here. There are enough differences to expect a performance boost. Let’s dive into the details.
Edit : new power consumption and SATA performance benchmarks here !
I initially planned to include the HummingBoard in this test, but their sales dpt never answered to my emails… :-(
1. CPU
lower the better
This is a surprise : in a single-threaded test, the Allwinner A20 chip is slower than the Broadcom BCM2835, even with theorically 1GHz, compared to the Raspberry’s 700MHz..
However, the A20 ran 4x faster on the same dual-threaded test. This is a massive gain over the Broadcom BCM2835 (over a 3 magnitude).
I ran some checks during normal linux operations (apt-get, internet, arduino IDE, etc) to verify the A20 always runs on 2 cores : it seems to.
2. GPU
I don’t know how the Mali400 GPU should compete versus the Dual VideoCore IV. I just know my
Samsung
Galaxy S3 runs on a Mali400, and it runs pretty well in HD movies and video-games.
lower the better
The Mali400 performance boost versus the VideoCore, is huge (over 4x) ! Gtkperf may not be the best graphic benchmark, but there’s something.
3. Memory
Going from 256 or 512 MB SDRAM to 1GB DDR3 should be a nice performance boost, again.
The Banana beats the Raspberry, especially on MCBLOCK were the gain is massive. Unfortunatly I don’t really know how to interpret those values, except higher is better…
4. SD card
It is very difficult to run reliable disk benchs on a SD card, because of the inevitable wear. And disc bench cause huge stress on a SD card, with many reads/rewrites. So, depending on the wearing of each card when I did these tests, results may be a little off.
higher the better
I think we could consider normal SD operations are the same, on Banana or Raspberry. I think the massive boost in cached reads is due to the memory.
If you know better benchmarks I could run (non destructive for the SD card, please ^^), let me know, thanks !
5. Networking
One of the things that annoys me the most on the Raspberry is the network and/or usb speed / reliability. Remember, on the Raspberry Pi model B, ethernet bandwith is shared with the 2 USB2.0. So, the network performance is not fantastic.
On the Banana, the 2 USB2.0 ports are direct from the Allwinner A20 chip, and there’s a dedicated chip for the Gigabit ethernet. So, let’s see how this really runs :
higher the better
The difference is massive ! I did the test on a Gigabit switch, several times. The result is consistent.
6. Advanced tests
I did some complete tests using hardinfo on both boards. The resulting documents are a little too big to be posted here, and there are many nice infos in them. You can view them here :
Raspberry Pi
Raspberry Pi running Banana Pi Raspbian image (v2.0)
Banana Pi
Those reports are also available on my GitHub
Conclusion
I felt like going from a Pentium III-800MHz to a first-generation Core-Duo. The performance boost is very noticeable, everywhere. It could be easily used as a desktop PC or as a webserver. No problem.
Despite still being really « beta », the Banana’s Raspbian runs really well : unlike the Raspberry, there’s no lag when opening the lightdm menu, programs launch very fast, and internet browsing is really pleasant. The OS is ready in 30 seconds from power-on, and everything I needed (HDMI, wireless keyboard, usb-wifi…) worked out of the box.
I don’t really use my Raspberries as media-servers/client, so I can’t really tell about the multimedia performance. But given the A20 specs (made for tablets, with multimedia buit-in functions) and the glxperf results, I’m not worried about it.
When running X desktop, I noticed the cpu bargraph almost never reached 100% on the Banana, no matter what I did. It remained low/middle almost all the time. On the Raspberry, the bargraph jumps to 100% all the time.
The Banana Pi OS seems almost equally powerfull than Raspbian official, on a Raspberry Pi. The Banana Pi works with Banana and Raspberry boards out of the box, and this little detail is very important.
I know for a fact XBMC is not supported yet, but it’s incoming.
One could argue the community is almost inexistant, so are the sources / documentations. But the Allwinner chip family is well documented, with a lot of sources available, and some talented developers : the Axx chip is present in a lot of devices, especially tablets (its main purpose). The Banana Pi team seems to be working hard to resolve the last software issues of the board, and is communicating very well. It’s a very good thing.
Personaly, I really like this board. It’s powerfull, with a lot of connections, and almost everything I miss in my Raspberries : faster, more stable power, better networking and USB, and an onboard RTC, and SATA, and, and…
However, for now, I wouldn’t recommend it to a novice in this type of hardware, because of the OS relative youth. The Raspberry is still the perfect start point.
On a side note, someone did almost the same tests between a Raspberry and a CubiBoard here. Combining the two articles can be very informative.
Next, I plan to run the Banana like a Raspberry : GPIO, I²C, SPI, tft-touch display, etc… I’ll keep you informed.
Out of curiosity : how many of you would buy one for ~50-60$, if you could buy it right here ? Let me know in the comments or on our Google+ page !
- 8月 26 週二 201414:11
ZINWELL Powerline Ethernet Bridge&Switch ZPL-200 電力線網路橋接器測試報告
ZINWELL Powerline Ethernet Bridge&Switch ZPL-200
電力線網路橋接器測試報告
- 8月 26 週二 201411:50
如何移動Oracle的所有數據檔
HOWTO--如何移動Oracle的所有數據檔
發表人:vongates | 發表時間: 2005年一月29日, 11:29
發表人:vongates | 發表時間: 2005年一月29日, 11:29
