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USB Flash Drive Problem



 
 
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  #1  
Old February 12th 19, 08:26 PM posted to microsoft.public.windowsxp.general
Biller[_2_]
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Posts: 3
Default USB Flash Drive Problem

64G USB3 Flash NTFS format. (Solid state Pen drive)

Works in Win 7 Pro.

But on Win XP Home SP3 laptop it says it wants to format it.
This laptop has only USB2 ports.

I rebooted but still wants to format.

How do I get this USB Flash drive to work on WIn XP Home?

Please give me the link if I need to download something.

Thank you !

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  #2  
Old February 12th 19, 10:37 PM posted to microsoft.public.windowsxp.general
Paul[_32_]
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Posts: 8,449
Default USB Flash Drive Problem

Biller wrote:
64G USB3 Flash NTFS format. (Solid state Pen drive)

Works in Win 7 Pro.

But on Win XP Home SP3 laptop it says it wants to format it.
This laptop has only USB2 ports.

I rebooted but still wants to format.

How do I get this USB Flash drive to work on WIn XP Home?

Please give me the link if I need to download something.

Thank you !


There are three file systems.

FAT32
NTFS
ExFAT --- WinXP requires install of optional package KB955704

The article is here.

https://web.archive.org/web/20150316...n-us/kb/955704

Finding the driver was tougher, but here it is. Fetched July 2016.
It's the English version.

https://web.archive.org/web/20150602...04-x86-ENU.exe

*******

If that's not it, the device should still have been
backward compatible with USB2 ports.

If you look in the barrel of the USB flash stick,
USB3 has "four in the front, five in the back". You
see the gleam of thin gold from the total nine
contacts.

On my 128GB stick, I broke one of the five pins in the
back, which disables USB3 mode, but the four in the front
still provide USB2 at 30MB/sec.

As I understand it, when first connected, the negotiation
phase may start with the USB2 interface, then switches to
the USB3 interface when it realizes that is available. Only
one set of pins is used at a time, and they don't "run in parallel
for extra bandwidth". So once the USB2 hands off to USB3,
data stops traveling over the USB2 D+ and D-.

When the USB3 stick is plugged into the USB2 port, the
USB3 pins don't touch anything. The negotiation and operation
are then all done on the USB2 pins.

*******

When you plug in the USB3 stick, you can watch the USB port
with this - USBTreeView.

https://www.uwe-sieber.de/usbtreeview_e.html

*******

If you have PTEDIT32, you could check the USB flash stick partition
table, for the ExFAT partition declaration. It's a free utility
packages with an old commercial package. How to get PTEDIT32.exe
is describe in this recent post (archived on this web server).

http://al.howardknight.net/msgid.cgi...nt-email.me%3E

The partition number for ExFAT is 0x07, same as NTFS! Yikes.
So that's not going to help us. Damn.

http://www.win.tue.nl/~aeb/partition...n_types-1.html

*******

I also run this one to check storage devices. I use the
Cygwin version. It must be run as Administrator also, because
it is doing raw reads on the storage media. You'd get an
Error 5 if you forgot.

http://disktype.sourceforge.net/

If you look in Disk Management, the disks are in
an order. When using disktype, you use this kind of syntax

disktype /dev/sda # Corresponds to disk on first row of Disk Management
disktype /dev/sdb # Corresponds to disk on second row of Disk Management

But using Cygwin is an acquired taste. If you know how to
set it up, it would be worth getting the program, but some
might be frustrated by the effort.

What I do with Cygwin, is keep

disktype.exe 146,139 bytes
cygwin1.dll 3,197,390 bytes
cyggcc_s-1.dll 103,975 bytes

and then the Cygwin tree doesn't have to be kept on the
C: drive. (Unless you expect to be fetching a lot of
executables that way.) I think I may have zipped up my
Cygwin tree for future usage. As long as those three files
are in the same folder, the program works.

cd /d C:\folder\with\disktype
disktype /dev/sdc

HTH,
Paul
 




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