Moreover, there is another case showing the necessity of formatting a hard drive to FAT32.
Otherwise, PS4 can’t read USB flash drive or you are unable to write in Mac OS/Linux. In this case, you need to use a FAT32 formatter tool to format USB to FAT32.
If you are using a USB drive but the partition is formatted to NTFS before, now you want to use your USB disk to connect to a game console PS3/PS4, Linux, or Mac OS X. Let’s focus on a common issue for more information: What is the best format for a USB drive? Generally speaking, this is mainly because of the better compatibility of FAT32, despite that it can not support files larger than 4GB file size for single files. Besides, USB drives adopt the FAT32 file system by default. When reading here, you know FAT32 has very good compatibility. What’s more, as for some old game consoles, FAT32 is available. As a result, it can support larger disks (up to 2 terabytes) and better storage efficiency (less slack space).įAT32 is an old file system, so many old operating systems including Win95, Win98, Win2000, Win2003, Win Vista and more support this file system. It increases the number of bits used to address clusters and also reduces the size of each cluster.
When it comes to FAT32, you should know it refers to a version of the file allocation table (FAT) which is available since Windows 95 OSR 2 and Windows 98.
Starting read test.Are you looking for a professional FAT32 formatter to format your USB flash drive, external hard drive, SD card to FAT32 for better compatibility? This post will show you some ways and you can try them according to your needs. Here is the results with FAT16 and the layout and cluster size specified by the standard: I reformatted the card with SdFormatter.pde. Here are the results of running the bench.pde example. I formatted a 512 MB card FAT32 with small, 1 KB, clusters using Windows 7. With the correct layout it is one of the fastest cards around.
The Windows 7 layout kills the flash controller in this card. Note the write speed difference with the correct format and layout. I wrote SdFormatter since people often don’t understand the internal structure of SD cards and the reasons for the SD File System Specification issued by the SD Association. The reason is that SD Association's standard specifies FAT16 for card's 64 MB - 2 GB and FAT32 for larger cards. I have had some mail about why there are no options for SdFormatter. dev/mmcblk3868160 b W95 sudo fsck.vfat /dev/mmcblk0p1 I/O size (minimum/optimal): 512 bytes / 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes Switch off the mode (command 'c') and change display units toĭisk /dev/mmcblk0: 3965 MB, 3965190144 bytesĤ9 heads, 48 sectors/track, 3292 cylinders WARNING: DOS-compatible mode is deprecated. I ran the following tests on the formatted card moved to the computer.to analyse the file system, hope it sudo fdisk /dev/mmcblk0 Warning, all data on the card will erased.į - erase and then format the card. This sketch can erase and/or format SD/SDHC cards.Įrase uses the card's fast flash erase command.įlash erase sets all data to 0X00 for most cardsĬards larger than 2 GB will be formatted FAT32 and If (!card.init(SPI_HALF_SPEED, 4)) sdError("card.init failed") To change chip select to pin 4 replace line 439 if (!card.init()) sdError("card.init failed") This will be a menu option in the future. This version has the chip select pin hard coded as the SPI SS pin. It chooses the best file system, FAT16/FAT32, the optimum cluster size, and aligns file system structures on the card's flash erase boundaries. For smaller cards, 16 - 64 MB, it use FAT16 instead of FAT12. PC/Mac/Linux format utilities do not comply with the above standard and do not produce optimal file system structures for the Arduino.įor SD/SDHC cards larger than 64 MB this sketch attempts to match the format generated by the formatter. It only runs on PCs and formats small SD cards as FAT12. I decided to write SdFormatter.pde since the only program I know that complies with the SD File System Specification is here: It is included as one of the examples, SdFormatter.pde, in the 20110414 beta of SdFat: I finally decided to write a sketch to format SD cards. For three years I have been trying to find an easy way to correctly format SD cards for optimal use on the Arduino.