Storage forum: How to flip the removable bit on USB flash drives?

by: Eagle_11 August 5, 2012 10:48 AM PDT

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How to flip the removable bit on USB flash drives?

by Eagle_11 - 8/5/12 10:48 AM

Hello everyone,

So there is this one USB drive that i carry with me all the time (32 GB), now i want to make 2 partitions on it to do a full installation of Ubuntu on partition 1 while keeping partition 2 for regular storage.
So i would make Ubuntu primary and the storage logical.

My problem is that a bootable partition needs to be primary while Windows only shows the primary partition of a pendrive (or the first logical if no primary exists).

I did LOTS of research on Google and found this:
- Solution 1: Fool Windows by changing your pendrive's drivers in the registry.
- Solution 2: Flip the removable bit of your pendrive.

Solution 2 is perfect for me, because it works on all computers.
I tried this many times with Lexar BootIt, without succes.
I also read you could do it manually too by setting bit 7 of byte 1 to 0 with a HEX-Editor, or something like that.

My drive is the PNY Attache Hook with the following specs (by ChipGenius):
Description: [E:]USB-device for mass storage(General USB Flash Disk)
Device Type: Mass Storage Device
Protocal Version: USB 2.00
Current Speed: High Speed
Max Current: 500mA
USB Device ID: VID = 090C PID = 1000
Serial Number: 0310120200025447
Device Vendor: General
Device Name: USB Flash Disk
Device Revision: 1100
Manufacturer: General
Product Model: USB Flash Disk
Product Revision: 1100
Chip Vendor: SMI
Chip Part-Number: SM3257ENAA - ISP 111129-AA-
Flash ID Code: ECDE98CE - Samsung - 4CE/Single Channel [TLC-8K] -> Total Capacity = 32GB
Tools on web: http://dl.mydigit.net/special/up/smi.html
(this is site refers to a Russian site -_-)

How to flip the removable bit of a pendrive?
(without Lexar's tool)

Thanks in advance,
Eagle_11

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