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Dmitry2014-09-19 11:30:11
USB
Dmitry, 2014-09-19 11:30:11

How to tell the difference between flash drives?

Hello dear!
Tell me, please, the ALPINE CDE-W235BT radio tape recorder is very picky about flash drives - it reads only a select few. I can not understand the difference between these very chosen ones from all the others. Subjectively, the radio tape recorder "eats" older models better. I already have a mountain of flash drives on the table and I sit and analyze. All are formatted in FAT32, the cluster size is 4 KB, and on large sizes 8 KB.
Here, for example, is an 8 GB Silicon Power tape recorder that you like, which works great in it - information from the Flash Drive Information Extractor program:

Volume: G:
Controller: Silicon Motion SM3257 ENAA
Possible Memory Chip(s): 
  SanDisk SDTNPNAHEM-008G
  SanDisk SDTNPNAHSM-008G
Memory Type: TLC
Flash ID: 45DE9892 7256
Flash CE: 1
Flash Channels: Single
Chip F/W: ISP 111216-AA-
MPTOOL Ver.: 2.03.60
VID: 090C
PID: 1000
Manufacturer: UFD 2.0
Product: Silicon Power8G
Query Vendor ID: UFD 2.0
Query Product ID: Silicon Power8G
Query Product Revision: 1100
Physical Disk Capacity: 8166703104 Bytes
Windows Disk Capacity:  8145309696 Bytes
Internal Tags: QU2M-T99K
File System: FAT32
Relative Offset: 5340 KB
USB Version: 2.00
Declared Power: 500 mA
ContMeas ID: 0D99-01-FB
Microsoft Windows 8 x64
------------------------------------
http://www.antspec.com/usbflashinfo/
Program Version: 7.9.0.548

But with Kingston 8GB. doesn't want to be friends.
Volume: F:
Controller: Phison 2251-61 (2261)
Possible Memory Chip(s): 
  Toshiba TC58NVG6T2HTA00
Memory Type: TLC
Flash ID: 98DE9892 7256
Chip F/W: 04.09.53
Firmware Date: 2011-11-02
ID_BLK Ver.: 1.1.67.0
MP Ver.: MPALL v3.20.0A
VID: 0951
PID: 1689
Manufacturer: Kingston
Product: DataTraveler SE9
Query Vendor ID: Kingston
Query Product ID: DataTraveler SE9
Query Product Revision: PMAP
Physical Disk Capacity: 7862353920 Bytes
Windows Disk Capacity:  7845576704 Bytes
Internal Tags: 2Q6K-S76K
File System: FAT32
USB Version: 2.00
Declared Power: 200 mA
ContMeas ID: 0D99-02-00
Microsoft Windows 8 x64
------------------------------------
http://www.antspec.com/usbflashinfo/
Program Version: 7.9.0.548

SanDisk 32 GB does not work either, but I would really like it:
Volume: H:
Controller: SanDisk
Possible Memory Chip(s): Not available
VID: 0781
PID: 5571
Manufacturer: SanDisk
Product: Cruzer Fit
Query Vendor ID: SanDisk
Query Product ID: Cruzer Fit
Query Product Revision: 1.27
Physical Disk Capacity: 32015679488 Bytes
Windows Disk Capacity:  31982125056 Bytes
Internal Tags: 3X4B-8CF3
File System: FAT32
USB Version: 2.00
Declared Power: 200 mA
ContMeas ID: 0D99-03-00
Microsoft Windows 8 x64
------------------------------------
http://www.antspec.com/usbflashinfo/
Program Version: 7.9.0.548

I see the only obvious difference in the line Declared Power - for working flash drives it is 500 mA, and for non-working 200. Can this affect the perception of flash drives by the radio or is the dog buried in something else?
Thank you in advance!

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4 answer(s)
C
Cool Admin, 2014-09-19
@ifaustrue

Well, you yourself write the obvious answer =)
Find one that works at 200mA and this will disprove the theory.

S
sabotage_kyrazh, 2014-09-19
@sabotage_kyrazh

Have you tried NTFS?

K
KOLANICH, 2014-09-19
@KOLANICH

Perhaps there is incorrect initialization in the radio tape recorder ... there is probably some kind of microcontroller with custom firmware instead of Linux.

E
evillspirit, 2015-12-04
@evillspirit

The main problem with USB new and old, as I noticed, is the fact that some normal flash drives are visually large with chips, etc., and the second kind of slims are very compact, so I have a big suspicion that your radio tape recorder eats exactly flash drives from the first type I cited, and the second type is all kinds of date travelers and card readers on the same board, it does not perceive them. But the information that you posted is not enough to accurately confirm this fact, use chip genius software to determine what kind of thing you have in your hands a normal flash drive or card reader. Somehow I hope I explained myself clearly =)
PS: I just saw the date .... with slow ... = \

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