Compact Flash Reader For Mac

Posted By admin On 19.05.21

Charles Thompson writes of another USB device problem 'solved' by the often recommended work-around: disconnecting and reconnecting the device: 'The SanDisk ImageMate CompactFlash card reader has two indicator lights, one of which blinks to indicate proper USB connection. Every time I use the reader with my G4/450 (running Mac OS 9), that light is on solid (unblinking) and the card will not mount on the desktop. Disconnecting and reconnecting the USB connector clears the problem long enough to get the FlashCard mounted.'

He contacted SanDisk about this. This was their reply (it does not directly address the reported bug, but may be relevant):

We are currently working on an updated driver for use with OS 9. In the meantime, we have a work around that should allow you to use the USB ImageMate CompactFlash drive until the new driver comes out.

Plug the ImageMate into the Mac. Boot the machine. Insert the CompactFlash card into the ImageMate.

2. Boot the Mac. Plug the CF card into the ImageMate. Plug the ImageMate with CF card into the Mac.

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Explanation: The SanDisk ImageMate uses its own Mass Storage Driver for the ImageMate. Mac OS 9 uses a native Mass Storage Driver. By using the ImageMate and CF as mentioned above, the Mac OS native Mass Storage Driver with not enumerate when the ImageMate is used.

Over the years, we’ve covered using a CompactFlash (CF) card with an IDE adapter to replace a laptop’s hard drive and make it quieter. As it turns out, there’s a lot we didn’t know about this subject until recently.

A PC Card adapter, the Addonics adapter, and some CF cards on the PB 1400.

CompactFlash memory cards use a subset of the IDE command set, so making a bootable IDE-44 adapter is pretty trivial – it just links connections on the CF card to the appropriate connector on your IDE plug with no electronics necessary.

You should be sure you’re using a UDMA CF card, as non-UDMA cards are not generally bootable when used with an IDE adapter.

That said, both types of CF cards seem to be bootable when place in a PC Card or CardBus adapter. The native CF bus is identical to the 16-bit PC Card interface, just like the IDE/CF adapters mentioned above. PC Cards use an 8 MHz 16-bit data path (16 MBps), while CardBus has 16 times the bandwidth with a 33 MHz 32-bit data path (133 MBps). If your PowerBook supports CardBus, it is the way to go.

With capacities now reaching 512 GB, CompactFlash is a tempting alternative to a traditional hard drive or SSD, and they have a much higher maximum capacity than the currently popular SD-type cards, not to mention being easier to interface with an IDE bus.

I have heard that while CompactFlash drives may have phenomenally high speed ratings, the minute you put it on an IDE adapter, your maximum transfer rate is the same as Ultra ATA/33. I have also seen IDE-CF adapters that claim to support 150 MBps transfer rates, which is higher than Ultra ATA/133 supports, and that’s the fastest parallel ATA protocol so that obviously isn’t true.

In brief, if you have a really fast CF card, your Mac’s IDE or Ultra ATA data bus will be the limiting factor. If you have a really slow CF card, it will be the bottleneck. Your best bet is to find a card rated as follows:

IDE (original specification): 3.3 MBps, use at least 22x so CF won’t be the bottleneck
ATA-1: 8.3 MBps, use at least 55x
ATA-2/EIDE/Fast ATA/Fast IDE/Ultra ATA: 16.7 MBps, use at least 110x
ATA-3/EIDE: 16.7 MBps, use at least 110x
Ultra ATA/33: 33.3 MBps, use at least 220x
Ultra ATA/66: 66.7 MBps, use at least 440x
Ultra ATA/100: 100 MBps, use at least 660x
Ultra ATA/133: 133 MBps, use at least 880x

Ratings are just a starting point, and just because a card says its 400x doesn’t mean it really is, so do your research, find reviews, and make sure the card you buy is the same as the one in the review. Sometimes the internal components will change without the name changing to reflect the difference.

Also, because write speeds are generally lower than read speeds, you might want to boost those “x” numbers by 50% for best results. This is a general guideline, though, so there are many exceptions.

Those “x” Speeds in the Real World

CF cards are speed rated relative to the original CD specification, which is 150 KBps. Thus a 200x CF card should provide 30 MBps performance, 233x should equal 35 MBps speed, and a 266x card should hit 40 MBps. Theoretically, a 233x card would top Ultra ATA/33 speed.

But that’s not how things work in the real world. Tom’s Hardware has done extensive performance testing of CompactFlash memory cards with a SanDisk USB 3.0 card reader, one of the top-rated CF card readers in its 2014 tests. Testing was done with 1000 MB of data and repeated five times, then averaged. In all, 15 cards from six manufacturers were tested, 9 of them UDMA-7 cards, which allows a maximum throughput of 167 MB/s and equivalent to Ultra ATA/167.

USB 3.0 is not a bottleneck here, as Tom’s Hardware benchmarks of USB 3.0 flash drives show sequential read speeds as high as 434.6 MB/s and write speeds of 286.2 – far higher than any CF card. (For the record, USB 2.0 card readers topped out at 62.9 MB/s sequential reads and 40.6 MB/s writes when tested by Tom’s in 2011 – still higher than the 33 MB/s ceiling for a CF/IDE adapter.)

In its sequential read tests, Tom’s Hardware reports that all the 800x, 1000x, and 1066x cards come in between 151 and 157 MB/s, as does the Transcend CompactFlash 400x, a real surprise considering its official 400x rating. The two 300x cards tested score 45.5 and 46.6 MB/s, and most 600x cards score 86.8-99.6 MB/s, with the Kingston Ultimate 600x exceeding expectations at 126.7 MB/s. The UDMA-7 cards, rated at up to 167 MB/s, consistently outperform UDMA-6 cards, which match ATA/133 and have a peak throughput of 133 MB/s.

Writing to flash memory isn’t as simple as writing to a hard drive. The top sequential write speed is 129.2 MB/s, and the worst performer is a 300x Silicon Power card that achieves just 18.9 MB/s – only 42% as fast as the 300x SanDisk Ducati. Then there are 400x and 800x cards with almost the same write speed.

You just can’t predict which will write faster based on rated speed or the UDMA rating.

Kindle Cloud Reader Probably the easiest and most effective solution is to read your second book in Safari by way of the Kindle Cloud Reader. Go to read.amazon.com and get set up in moments with a few simple steps. Well, by going to the 'Content Folder' in Kindle 'Preferences,' and clicking on same, I found the.azw files, but greyed out. They are in ~/Library/Application Support/Kindle/My Kindle Content/. You can also use the 'find' command in Terminal: find ~ -name '*.azw' to locate them. Where are files for kindle cloud reader stored in mac os x. Kindle Cloud Reader avoids the app store (and Apple’s 30% cut and other stringent conditions) by serving up your Kindle database through your web-browser. It’s basically a password protected web-site that also allows you to allocate offline storage space on. Jul 02, 2012 I don't think the Cloud Reader is set up to read from locally loaded/stored mobi/KF8 files. However, you can definitely download mobi/KF8 files to your computer with Kindle for PC or Kindle for Mac. Thanks, that was helpful!

In an ideal world, charting read (vertical) and write (horizontal) performance in a scattergram would create a linear pattern, but as this chart shows, some cards are tops in both read and write speeds, while others are not.

Sequential read and write performance of CF cards.

Pub reader for mac. The User can read the eBook or have it read to him.

On the plus side, all the 1000x and 1066x cards had a measured speed of 122.0 to 129.2 MB/s, so you can count on those for good write speed. In the end, you really need to wade through benchmark results to find out which CF cards have the best balance of read speed, write speed, capacity, and price.

Finally, all bets are off when it comes to random reads and, even more so, writes, which range from a high of 39.8 MB/s to a low of 0.6 MB/s. That worst result comes from the only card to have a higher sequential write speed than read speed.

Then again, it also depends on how you’re connecting to the card. If you’re using the old reliable IDE adapter, only one of the tested cards had a sequential write speed below 33 MB/s, but only three had a random write speed higher than that – all of them UDMA-7 cards. That said, some UDMA-7 cards were much slower than that.

To make matters more difficult, all but one of these cards have been discontinued at present, so you’ll need to search for more up-to-date test results when looking for the best CF card to use as a hard drive replacement.

https://luckywhole.netlify.app/mac-fingerprint-reader-not-working-for-login.html. Based on reviews I’ve read, SanDisk and Lexar appear to be two of the best brands.

FireWire, a Mac Alternative

USB 3.0 is wicked fast but not supported on older Macs. USB 2.0 is okay, but FireWire 400 is faster, and FireWire 800 faster yet – sometimes faster than USB 3.0! Most PowerPC Macs since 1999 include FireWire, although few PowerPC machines other than the Power Mac G5 and FW 800 Power Mac G4 have FireWire 800. FireWire also appears on most pre-USB 3.0 Intel-based Macs, the consumer MacBook and MacBook Air being the FireWire-free exceptions.

The following data is from Rob Galbraith.

Fastest CF card reads, USB 3.0: 77.2 MBps (Lexar Pro 400x 16 GB)
Fastest CF card reads, FireWire 800: 79.4 MBps (Lexar Professional 1000x 32 GB)
Fastest CF card reads, FireWire 400: est. 39.7 MBps, half FW 800 speed
Fastest CF card reads, USB 2.0: 36.7 MBps (Delkin CombatFlash 685x 16 GB)
Fastest CF card reads with SATA adapter: 94.0 MBps (Lexar Professional 400x 8 GB)

Galbraith is only using modern gear, so he does not post results using an IDE adapter like the ones covered in this article.

Show the reader view (reading mode) in Google Chrome 1 If you've used Safari on Mac OS X or iOS devices (iPhone, iPad, iPod touch), you know the ' reader view ' option. Feb 27, 2015 In October of last year I wrote about a way to view Web pages in Chrome for Android without any of the distracting ads or other page elements. This feature, called Reader Mode. Firefox, Safari, and other browsers come with native reading mode feature on desktop. But, this is not the case with Google Chrome desktop browser. Search for “Reader mode” and you will see the option “Reader Mode triggering” set to “Default”. Change it to “Always”, if you want to force the Reader mode on every webpage or select “ Appears to be an article “, which lets Chrome detect articles. Reader mode chrome mac. The awesome Reader Mode feature will almost certainly end up in the former camp, but for now remains experimental. Reader Mode works on the same principle as the similar feature built into many desktop browsers, such as Safari on a Mac, as well as that in popular bookmarking apps.

Compact Flash Reader For Macbook Pro

The SanDisk Extreme FireWire Reader (about $50 on eBay) can be a great tool for moving data to and from CF cards for Macs with FireWire 400 and FireWire 800.

Using CompactFlash Inside Your Mac

Compact Flash Card Reader For Mac

For PowerBooks and iBooks with an IDE hard drive, all you need is a standard CF-to-IDE adapter and a UDMA CF card, preferably on over 266x. It should be plug-and-play, although you may need to use a third-party drive formatting utility or a hacked version of Apple’s HD SC Setup.

If you’re going to run Mac OS X, we recommend a CF-to-IDE adapter that supports two CF cards so you can set one up exclusively for use with virtual memory, as this is the one feature of OS X most likely to wear out flash memory. This way you can simply replace the virtual memory CF card should it go bad.

If you want to use CF inside a desktop Mac with an IDE bus, you’ll either want a CF-to-IDE adapter designed for use with a standard IDE cable (not the smaller 2.5″ notebook drive connection) or a 3.5″-to-2.5″ adapter plus a notebook CF-to-IDE adapter. This adapter will also work in a 5.25″ drive bay.

Best Compact Flash Card Reader

Short link: http://goo.gl/D2m7tx

Compact Flash Memory Card Reader For Mac

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