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Questions tagged [compact-flash]

CompactFlash (CF) is a flash storage format initially created by SanDisk, and widely adopted in a variety of consumer devices (especially cameras).

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Why does my Transcend CF card perform far better than theoretical maximums?

Today I upgraded to a new USB 3.0 CF Card reader (Sandisk Imagemate), and found file transfers far faster than my old USB 2.0 model. Despite using CF cards daily as part of my work, I have never been ...
hazymat's user avatar
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0 votes
2 answers
228 views

If both USB memsticks and SSD disks use the same technology, why does only the latter "forget" data?

I recently learned (or was tricked into believing) that SSD disks actually forget all their data on them if left unpowered for just a year. Assuming that this is true, and I've spent more than enough ...
J. Schwan's user avatar
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Do USB sticks and memory cards forget their data if left without power, just like SSDs? [duplicate]

I recently learned that SSDs actually forget data if left unpowered for like a year. This was shocking news to me. But then I started thinking, and realized that while all my offline backup disks are ...
T. W.'s user avatar
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Thumb Drive 8GB: slow write rate

I've just benchmarked some memory devices using GNOME Disks and F3. Here's a summary: Device Size Avg Write Min Write Max Write Chart Compact Flash 64 MB 1.1 MB/s 1.1 MB/s 1.1 MB/s benchmark 1 ...
Jeron Baffom's user avatar
1 vote
1 answer
228 views

Is `badblocks` meaningful on compact flash cards?

I own ten (10) compact flash cards. The cards are industrial high quality ones. Because of some random system crashes I checked all 10 cards using badblocks: sudo badblocks -w -s -o badblocks-card1....
eDeviser's user avatar
  • 123
0 votes
1 answer
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Creating image of CF card produces inconsistent results

A friend is trying to clone a CF card using the following linux command: sudo dd if=/dev/sdb of=card3.img bs=4M status=progress but each time, it is producing a different image. The first two cards ...
Hiccup's user avatar
  • 329
0 votes
1 answer
559 views

Detect and qualify flash memory (sd card) wear

What is the best way to detect and evaluate/qualify flash memory wear that usually occurs after a lot of data has been written the flash? I mean especially a wear caused by continuous writes by dash ...
Kozuch's user avatar
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1 vote
1 answer
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How can I get FreeDOS to see >8Gb using CF-IDE

I am trying to install FreeDOS onto a 16Gb SANDISK CF card booting from a USB stick. The system BIOS is set to autodetect and shows the CF card as a 16Gb HDD. However when I boot the FreeDOS ...
Robin Elvin's user avatar
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0 answers
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How to decrease flash capacity space

I have one old recorder and this recorder can't support over than 1 gb cf (compact flash) card. Now I can't find cf 1gb on stores! Can I decrease for example cf 8 gb to 1gb? Thank's
mghhgm's user avatar
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1 answer
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Cloning windows xp embedded to compact flash drive boot error

I'm trying to clone a Windows XP Embedded image on a Transcend 1 gb CompactFlash drive to a 2gb Adata Compact Flash drive. After cloning the drive(I used RMPrepUSB), I tried booting it up on the ...
Jason Liu's user avatar
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1 answer
2k views

Laptop uses eMMC as main storage

I have an HP laptop (http://www8.hp.com/ca/en/products/laptops/product-detail.html?oid=1308672). I hope not mentioning it explicitly doesn't violate stackexchange's policy. It uses eMMC as the main ...
kozner's user avatar
  • 259
5 votes
2 answers
6k views

Unique ID of storage device

I've come across license systems that are somehow tied to the storage medium. While basing this on the UUID on the filesystem is fairly straightforward, I do not believe this is the case (see below). ...
Jarmund's user avatar
  • 6,138
0 votes
0 answers
909 views

How can I correct a CF disk rendered un-bootable by Windows diskpart

I used windows diskpart to clean and format a 64mb compact flash card I use to backup work on industrial machines. Prior to this diskpart format, I was able to boot to this compact flash card by ...
Flotsam N. Jetsam's user avatar
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1 answer
107 views

Could a CF card submerged in sea water for a few days still work?

The title pretty much sums it up: What are the chances of a Compact Flash card that has been submerged in sea water for a few days still working? The card in question has a pretty expensive licence ...
Jarmund's user avatar
  • 6,138
0 votes
0 answers
1k views

Can you connect a PCMCIA card to an IDE slot?

I have just discovered that a PC card (of the PCMCIA variety) uses the same electrical interface as CompactFlash. CompactFlash uses the ATA interface, and you can get cheap adapters to plug a CF card ...
Malvineous's user avatar
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