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Old 09-14-2004, 08:24 PM   #1
Registered: Apr 2003
Location: chile
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reformat usb drive fat16

i got a usb (tdk mojox protable audio), it used to be mounted on /dev/sda1

now the fs is corrupted and i need to reformat as FAT16 but
mkdosfs /dev/sda1: "No such device or address" (it does exist)

cat /proc/bus/usb/devices:

T: Bus=02 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0aa6 ProdID=8000 Rev=10.00
S: Manufacturer=TDK
S: SerialNumber=??9?8?3?A?012345
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms

i thought it works like the camera, as vfat, now broken i saw that it uses FAT16
windows xp can't format it well and format says that doesn't support FAT16

any idea?, thanx in advance.
Old 09-14-2004, 10:56 PM   #2
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With the device plugged in, what ouput do you get from:

# fdisk -l

that should list all filesystems recognized by your system, whether mounted or not.
Old 09-14-2004, 11:19 PM   #3
Registered: Apr 2003
Location: chile
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--With the device plugged in, what ouput do you get from:
--# fdisk -l

right now, on turning on the device, appears a buffer I/O error.
and fdisk -l says about FAT32 on hda* & ext3 & swap & get freezed (no Ctrl-C Ctrl-Z...)


1- thought that the mojo worked like a vfat usb cam
2- mounted same way the cam
3- the first 2 song were written ok, playing
4- then next attempt to write something ended on error
5- fs is corrupted and the TDK pages says that it must be formated as FAT16
6- mkdosfs -F 16 on linux didn't work, format /fs 16 f: neither
7- with cfdisk i erased all, and recreated the partition table, and a logical FAT16 (option 06)
8- now fdisk list the partition, the usb display reappears.
9- back on windows, it detected and i try to copy 2 songs, but it complained about can't find path...
10- windows enter on a loop detecting-undetecting
11- the usb display says "USB reading" forever
12- back on linux, it's the written at begining.
Old 09-15-2004, 12:28 AM   #4
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I would assume that the fat16 partition is less than 2 GB's, as a fat32 partition should be less that 32 GB's to avoid FAT corruption. You may want to attempt partimage or partition magic on this device if possible.
Old 09-15-2004, 05:01 PM   #5
Registered: Apr 2003
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i guess the thing is dead, i can't use fdisk and can't use p-magic or format in windows cause it doesn't detect it


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