| （1）Why have a card reader? |
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Firstly, ease of use – you an leave it plugged into your computer and slot your memory card in when you need to. Secondly, the transfer speed is around ten times faster than using your camera and USB cable. The third, and perhaps most important reason, is that by using a card reader you aren’t running down your camera batteries during transfer. This is especially beneficial when transferring large numbers of photos where you risk crashing your transfer if the battery is depleted. Card readers also allow you to save data to the card, which means you can carry them on your memory card and easily transfer to another computer.
If you have lost your camera USB cable, card readers are a cheaper and more readily available alternative, and bring with them all the benefits listed above.
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| （2）巨牛告訴你：市場上存在哪些讀卡器方案公司？有哪些產品？讀卡器的發展趨勢是什麽？ |
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答：對於中國大陸生產商來說，常見的讀卡器方案廠商有如下：USBest（常用：UT310,UT311,UT313,UT330,UT360,UT367)；Myson(常用：CS8819-
116,CS8819-207);Realtek（常見：TRS5101,RTS5111,RTS5116,RTS5156,RTS5158,RTS5161,RTS5169);Genesys(常見：GL826;GL827);
MOAI(常見：MA8121,8128,8165,8166);ALCOR(AU7640等）。
由於FLASH MEMORY CARD（存儲記憶卡）的推出種類快，容量越來越大，讀寫速度越來越高，所以要求讀卡器IC廠商和讀卡器生產廠商亦快速跟上
步伐，不斷推出支援高速卡的版本，以及電腦操作系統的兼容。由於Smart Card使用之網絡ATM的逐步流行，我司亦已進行技術同步，推出支援
Smart Card的讀卡器。目前RTS5161、5169可作較好支援。
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| （3）巨牛告訴你：SIM讀卡器發展到什麽階段？ |
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答：讀卡器IC方案商都會對世界各地的電信網絡、語言、SIM規格進行融合；3G網絡的出現，導致了USIM的出現。USIM是一種高容量/低電壓的SIM
卡，目前支援低電壓（1.8v）的IC晶片可以讀到USIM，但由於SIM一般是32K或64K，所以目前所有讀卡器IC廠商設計的IC規格只能讀到最多200條電話
本。
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| （4）我司推出新式USB HUB： |
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我司推出新式HUB：
（1）7口HUB。優勢：同時支援7個常規USB設備（比如讀卡器）而無須外加電源。詳見【請點擊】；
（2）顏色變幻（可控）+時鐘（LCD）USB HUB，絢麗時尚。詳見【請點擊】
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| （5）巨牛告訴你：SDHC與SD卡之間的區別？ |
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答：很多玩家還不清楚SDHC和SD卡之間的區別，認為它們僅僅是讀寫性能上的區別，實際上不完全正確。今天巨牛告訴你，什麼是SDHC？
SDHC是“HighCapacitySDMemoryCard”的縮寫，即“高容量SD存儲卡”，它的最大特點就是高容量（4GB-32GB），這是由於SDHC採用的是
FAT32檔系統，而之前SD卡由於使用的FAT16檔系統，所以該格式只能支援最大容量到2GB。
SDHC和SD卡之間還有一個主要的區別，即SDHC針對音頻和視頻應用加入了相應的設計規範，而且在速度的標識上首次作出了嚴格的規定。
過去廠商往往都是按照最大速度標注SD卡，而並未明確標注是寫入速度（較低）還是讀取速度（較高）,這會讓消費者產生較大的疑惑。而在新的
SDHC規範中，對卡的速度明確劃分為三個等級，並且都以寫入速度為基準。
Class2：速度為2MB/s，能滿足觀看普通MPEG4、MPEG2電影，進行SDTV、DV的拍攝。
Class4：速度為4MB/s，可以流暢播放高清電視（HDTV），能滿足數碼相機連拍等需求。
Class6：速度為6MB/s，能滿足單反相機連拍和專業設備的使用要求。
SDHC規範定義是，至少需要達到Class2的標準，且使用FAT32檔系統，容量在4G至32G.現在，如上圖，凡是4G或以上都有SDHC標誌。
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| （6）巨牛告訴你：關於USB 2.0認識誤區？說明書常見的480mbps是怎么回事？ |
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答：市面上幾市面上幾乎所有讀卡器介面均標著USB2.0字樣。其實USB2.0並不代表480Mbps傳輸速率，現在的USB2.0分三種：
Hi-Speed、Full-Speed、Low-Speed，這三種都屬於USB2.0的範疇，其中Hi-Speed才是我們常說的USB2.0，Full-Speed是以前常說的
USB1.1，Low-Speed只用於USB滑鼠等低速設備。其中：Hi-Speed傳輸速率為480Mbps（即60MB/S，後面會解釋），Full-Speed傳輸
速率為12Mbps，那麼採用Hi-Speed介面的讀卡器就是高速讀卡器了？其實不然，它只代表讀卡器控制晶片與介面資料傳輸的帶寬。除了
介USB接口外，讀卡器控制晶片決定著真實的傳輸速度。
480mbps讀作480M每秒？那你就大錯特錯了。其實，mbps=mega bits per second，mb=mega bytes。而1byte=8bits,兩者換算是1：8
的關係，也就是480mbps=60MB/S。 |
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| （7）What is the difference between
TransFlash ( T-Flash ) and microSD cards? |
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| microSD is a format for removable
flash memory cards. It is derived from SanDisk TransFlash and
is used mainly in mobile telephones, but also in handheld GPS
devices, portable audio players, video game consoles and
expandable USB flash memory drives. TransFlash and microSD
cards are the same (each can be used in devices made for the
other). |
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| （8）Why my Flash Memory Card can't
work in card reader? |
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This issue will depend on card
reader quality, if your Flash Memory Card works normally in
the most media / digital device, try it in another card
reader, else change your Flash Memory Card at place of
purchase.
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| （9）What do 80X, 120X and 133X on CF
Card labels mean? |
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Like CD-R, X stands for speed. 1X
stands for 150Kbytes/Sec while 80X stands for 12 Mbytes/Sec.
Manufacturers calculate speed differently. In general,
"Sustained write speed" is approximately 2.5Mbtes to
3.5Mbytes/Sec. or 16X~25X, "Sustained read speed" is
6Mbytes/Sec. ~ 12Mbytes/Sec. or 40X~80X. Thus speed ranges
differ quite a lot depending on the method of calculation.
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| （10）What is a standard type xD-Picture
Card?? What is a type M xD-Picture Card?? What is a type H
xD-Picture Card? |
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Standard xD Picture
Card
The xD-Picture Card is one of the smallest high
capacity memory card formats. It was developed by Fuji and
Olympus in a joint venture. The card was introduced in 2002
and its name is derived from the phrase "eXtreme Digital,"
which was considered a suitable reflection of the formats
ability to record, store and transfer audio-visual
information.
Type M xD-Picture Card
The ’M’ version of the
xD-Picture Card was released in late 2005. Type M xD-Picture
Cards are capable of achieving higher storage capacities, but
sometimes experience compatibility issues with older type
digital cameras (especially video recording). Please ensure
the camera and card are compatible before purchasing.
Type H xD-Picture Card
The Olympus type H
xD-Picture Card is capable of achieving write speeds up to 2-3
times faster than standard, or Type M xD-Picture Cards. Actual
speeds are dependent on the camera`s on board controller and
the shooting modes selected
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| （11）After using a card reader, why is
my flash card can not working on my digital camera / PDA
then? |
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We don't suggest customer to
format a memory card in the card reader. Most Digital
Cameras/PDAs can only recognize FAT16 Memory Card. When you
format it by card reader, please select "FAT" format to do so.
Or else choose to format it by your own Digital Camera/PDA.
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| （12）Why my card reader can not
recognize a 2GB SD card or 4GB SDHC card? |
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Some old card readers only can
support up to 1GB capacity. Therefore, if your card’s capacity
is larger than 1GB, it could not be read. Please confirm if
your card reader supports high capacity SD card. For a 4GB
SDHC Card, you have to use a SDHC card reader to read/edit it.
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| （13）Why my ALL in ONE Card Reader can
not read my microSD card? |
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Some card readers can only
support microSD, mini-SD, MMCmobile or M2 cards with adapters,
so please check if a required adapter has been attached to the
card? There are some advanced Card Readers don’t require an
adapter to read/edit a microSD/mini-SD/MMCmoble and M2 memory
cards
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| （14）Isn’t it a plug & play device?
Why should I install drivers for my Card Reader with SIM card
slot? |
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It is true that an USB device
should be “ plug & play “, you still can use this card
reader without having drivers installed for reading/writing
memory cards. But to read and edit a mobile phone SIM card,
you have to install enclosed drivers to activate this
function.
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| （15）I can't format my memory card,
neither read/write. What can I do? |
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Please cross test the memory card
and computer to identify the problems. If the memory card is
broken, please go to RMA processes.
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| （16）I bought a 8G memory card but it
only shows 2GB? |
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- This could cause by the file system. The FAT format only
supports up to 2GB. Please format your memory card as FAT32.
- If the file system is FAT32 and the capacity still 2GB,
you have to delete the partition. Please follow the steps to
fix: Control panelsystem admin toolsDisk managementdelete
partitionformat.
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