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 ...
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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 ...
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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 ...
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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 ...
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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....
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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 ...
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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 ...
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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 ...
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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
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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 ...
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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 ...
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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). ...
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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 ...
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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 ...
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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 ...
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How to install Windows 7 onto cFast USB flash disk

I have a cFast USB 3.0 (eSATAp) flash disk and I am trying to install Windows 7 to it. When the installer displays partition list, my cFast drive does not appear. It is formatted as a normal NTFS disk ...
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Free space disappearing on CF card - WinCE

I have an embedded PC running Windows CE and I'm connected to it via telnet. Few days ago all free space started to disappearing. I deleted a few log files to free up some space, rebooted the device ...
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Installing a Windows Embedded Standard 7 image on a compact flash (CF) card

Using the Image Configuration Editor tool which comes with Windows Embedded Standard 7, I'm creating an answer file to install on a Mini-ATX board whose main storage drive is a CF card. While I'm ...
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Microdrive suddenly not showing up as storage device

I have a Hitachi Compact Flash Microdrive that my Canon EOS 20D uses to store pictures on. Up until recently, I've been able to put the microdrive in a PCMCIA reader ("PC Card Reader" as described in ...
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Floppy Drive Connector to CF Card Reader with USB Port

I bought an old floppy drive from a local market and just realized that my board isn't compatible. And I'm wondering, will it work if I connect my floppy drive to a cf card reader which has same ...
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Is my CF card broken?

I am trying to install Voyage Linux on a 4GB compact flash card according to these steps. However it always fails at some point. When I format the disk manually (as opposed to using the provided ...
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Cloning flash drive while preserving empty space

I'm working with an industrial PC running Windows XP embedded. The PC has a 2GB compact flash memory which acts as main drive. I would like to clone the 2GB flash memory to a card with 8GB space. How ...
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Windows 7 hangs during boot when CF card is present in SATA card reader

I have a nasty problem with Windows 7 and a CF card in a SATA card reader. Hardware specifications: Asus P8C WS (Intel C216 chipset) with BIOS version 3202 https://www.asus.com/Motherboards/P8C_WS/ ...
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Poor compression of compact flash image, even after 0 fill

Problem: I am attempting to create an exact image of a compact flash and then compress the compact flash image for easier storage. The compact flash is not full (~1.5GB used, 32GB size). The problem ...
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CompactFlash write caching

A well-known characteristic of CompactFlash cards is that they do such things as write-leveling and caching to boost performance and longevity. These characteristics make them fairly poor choices as ...
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How to use CF cards in a Kyocera FS-1010?

I have a Kyocera Mita FS-1010 b/w office laser printer. The printer accepts CF cards, supposedly for adding fonts and things like templates or something. I was looking through the manuals (both user, ...
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Problems installing Linux to IDE connected compact flash card

I have been trying to install Ubuntu on some hardware (Netcom NC-499 board that contains a Vortex86DX processor). I am trying to install to a compact flash card attached to the board via an IDE ...
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Is this valid JFS partition?

My teacher gave my his laptop (with Fedora 16 on it) and compact flash card with data. He wants to have access to files on card, but he couldn't get access to it. The problem is Linux doesn't know ...
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What is the maximum throughput of an IDE bus (ATA-3)?

I'm trying to breath some new life into an old Thinkpad X40 by replacing its HDD with a couple of CF cards. I've found a nice adapter will let me install two cards into the notebook's drive bay and ...
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Clone Image Without Empty Blocks

I've been using dd if/mnt/sda1/images/$1 of=/dev/$2 to clone some embedded images for compact flashes. I used to only be using one brand of CFs, but, now I have two of them (both 2g, but obviously ...
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A Windows 7 tool to create an image from my bootable USB stick

I am looking for an efficient and preferrably free tool to take a full copy of my USB stick and make a disk image from it with possibility to write back to it. Actually I have a CF-Disk and I am ...
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How to rescue Compact Flash card that has been corrupted by a bad formatting

I used my CompactFlash card as a boot drive to install Snow Leopard for my laptop a while ago. To do that I had to repartition it to HFS+ with a GUID partition table. When partitioning it back to ...
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How to find out do I have NAND Flash or NOR flash (Compact Flash)

How to find out do I have NAND Flash or NOR flash (Compact Flash) I have Transcend UDMA 300x 2Gb. No mention is it NAND or NOR flash
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How can I make Windows 7 ReadyBoost persistent?

Is there a way to make Windows 7 to keep the ReadyBoost cache across a reboot (and not encrypt it or keep the encryption key across the reboot) - so that ReadyBoost could actually boost the boot up ...
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Embedded webserver (mysql) on a compact flash : how to reduce read/write operations?

I've developed a tiny webserver for home automation out of an ALIX 1D, and based on a debian lenny. It runs very smoothly and is now able to operate quite a lot of different equipment from a webapp. ...
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Windows 7 can't recognize CompactFlash cards on USB3.0

I have four CompactFlash readers (USB 3.0) connected by a 4-way hub to a USB 3.0 card in a PC running Windows 7 64-bit. When I insert all four CF cards, sometimes some of them are not recognized (I ...
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What are the fastest CF (Compact Flash) readers?

I'm looking for a good CF reader, but it's not easy to find readers specs on online stores, so I don't know what I can buy. Are there any benchmarks online? Now I have an external Skintek CF reader ...
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Using different SSDs types (not only SATA based) as system drive

Currently I have a Thinkpad X61s and want to make it both a bit faster and a bit more power efficient. For that reason I thought that adding SSD drive would make most sense. Unfortunately, because of ...
Hubert Kario's user avatar
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1 answer
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Memory card reader won't read 2GB Compact Flash memory card

I have a 2GB Compact Flash memory card that won't read in my memory card reader. The reader will read my 512MB and 32MB cards and my digital camera will read and write my 2GB card. I bought the card ...
GiddyUpHorsey's user avatar
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2 answers
15k views

How can I verify the read/write integrity of a compact flash device?

I've got a bunch of compact flash cards that I've used heavily in a professional photo and video capacity. I'm concerned that one of them is going bad, since I am seeing files (most often video, but ...
Paul McMillan's user avatar
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How do you clone the data off of a flash memory (via digital camera) device for recovery?

I have a digital camera that uses compact flash cards. Currently, I connect the camera to the computer through a USB cable. The compact flash card appears to have some bad sectors or something, ...
Matt's user avatar
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How does a memory card die?

Our old SanDisk CompactFlash 256MB card died recently, during a photo session. My wife was taking photos with it - sometimes in humid environment -, then as she was browsing through the results on her ...
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Can someone recommend a Compact Flash card to be used as a boot disk/fixed disk

I have an early Acer Aspire One netbook, and the flash drive is really slow at writing. I've taken it apart to add more RAM, but I've pretty much stopped using it. I've read about people replacing the ...
Hamish Downer's user avatar
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How Can I get a bit-perfect copy of a CF card?

Is there any way I can get a bit level copy of a Fat32 compact flash card? Like make an ISO of it or something?
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Reliability of a Compact Flash as a hard drive

I would now if someone can help me and say if I need a industrial grade or not to insure reliability in a PC embedded device. I use linux and make the most filesystem in RAM to avoid read/write of the ...
user avatar
11 votes
2 answers
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Tool to determine filesystem on removable media

I have a CompactFlash card that is used in a custom piece of hardware. WAV files are written to it. Windows doesn't recognize the media and wants to format it, which rules out FAT 16/32, NTFS, UDF, ...
Todd Brooks's user avatar
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Mac OS X program to recover images from a memory card [closed]

I'm looking for a Mac OS X program to recover images from a corrupted memory card.
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Linux distro to use CF instead of IDE drive?

To build a compact, headless host, I'd like to use a CompactFlash instead of an IDE drive, and connect the card to the mobo using an IDE-to-CF adapter. I don't know if this is still an issue, but ...
OverTheRainbow's user avatar
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CompactFlash and ReadyBoost on a Vista-64 bits system

I have an old HP iPaq with a CF card of 16 GB. New card, old device. It works fine. Or worked fine, I should say, since it fell to the ground and is damaged beyond repair... So I have a new and more ...
Wim ten Brink's user avatar