Qio CF4
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Driver (2)
Firmware (1)
Manual (4)
IDDownload TitleDownload LinkPost Date
689 Qio CF4 User's Guide [English]May-08-19
690 Qio CF4 User's Guide [Japanese]May-08-19
844 Qio, Qio CF4, Qio E3 Thunderbolt Interface Kit User's Guide [English]May-08-19
845 Qio, Qio CF4, Qio E3 Thunderbolt Interface Kit User's Guide [Japanese] May-08-19
 
FAQ (5)
IDArticle TitlePost Date
651 Do Qio and Qio CF4 support UDMA 7 CompactFlash cards?May-06-13
Yes, Qio and Qio CF4 support UDMA 7 CompactFlash cards in UDMA 6 mode.

Background: CompactFlash Revision 6.0 (November 2010) added UltraDMA Mode 7 (167 MB/s), which is up to 20% faster than UDMA 6 (133MB/sec). All UDMA 7 CompactFlash cards are compatible with UDMA 6 cameras and readers.

The Qio's CompactFlash slots can be read concurrently. The Qio can read the fastest CF cards at up to 133MB/s each and a total aggregate of 200MB/s (two cards).

The Qio CF4 can read all four CompactFlash slots concurrently. When connected to a desktop machine, the maximum aggregate read speed is 133MB/sec (one card), 266MB/sec (two cards), 400MB/sec (three or four cards).
 
679 Is the Qio CF4 compatible with OS X 10.10 (Yosemite) and 10.9.5 (Mavericks)?Oct-31-14
693 My computer kernel panics after updating OS X to 10.8.2. What can I do to fix it? (Qio/Qio CF4/Qio E3 issue)Nov-06-12
708 I cannot read 64GB or 128GB CF cards in WindowsJan-07-14
1005 Qio CF4 is not working in my MacPro 5,1.Feb-23-18