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Windows 7: How to read drive channels

22 Apr 2011   #1
dogbert2

Windows 7 Ultimate x64
 
 
How to read drive channels

I have an Asus M3A76-CM MB with 6 available SATA ports...here is what is being reported in device manager:

ST31000333AS

Location 0 (Channel 2, Target 0, Lun 0)

ST31000340AS

Location 0 (Channel 0, Target 0, Lun 0)

ST32000542AS

Location 0 (Channel 1, Target 0, Lun 0)

in physically looking at the MB, I see that the SATA cable for the 542 is in the 3 position (facing the MB looking down), but is there a way to determine which drive is C: and what is D: (the 542 is being assigned F:, and the CD/DVD is E.

Any ideas?


My System SpecsSystem Spec
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22 Apr 2011   #2
Shootist

Windows 7 Pro x64
 
 

Look in the BIOS on the first page. It should list the drives.
Next go into the BOOT menu and look at the Drive configuration section. There you can change what the BIOS reports to the OS as the first/second/third and so on drives in the system. Then go to Boot order and if the PC is booting properly it will list the drive it is presently going to try and boot off of.
My System SpecsSystem Spec
22 Apr 2011   #3
dogbert2

Windows 7 Ultimate x64
 
 

I will do that (probably tomorrow)...I have been able to determine that the new drive is in Channel 2 and the DVD-ROM is in channel 4 (right where device manager said it would be). Would it be too much of a stretch to say that Location 0 (Channel 0, Target 0, Lun 0) is drive C (assuming that is the first drive that shows up in the BIOS menu)?

What I am planning to do is to move about 850GB of media from drive D: to the new 2TB Drive F:, then run it for 24 hours (without mounting the 2TB physically), then powering down and mounting it permanently.

I just wish that Win 7 would say that Drive Model <x> is drive letter(s) <w, y, z>, etc
My System SpecsSystem Spec
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22 Apr 2011   #4
spinifex

 
 

G'day dogbert2.

This may be of help to you.

Click on the windows orb. (left bottom corner of your screen.
Then, on the right side, click on "Administrative Tools".
Next "Computer Management.
Next on "Storage".
Then "Disk Management".

Here you should find the answer you are looking for.
Others with much more knowledge than myself, may have better answers.

Jon
My System SpecsSystem Spec
22 Apr 2011   #5
dogbert2

Windows 7 Ultimate x64
 
 

I found the needed information using DISKPART via the command prompt. The 340AS is drive C: and is on Ch0, Target0, Lun0.

Here is a URL for people who have multiple drives in their system and need to figure out which drive is which:

Understanding Disk Location Paths

The commands needed are:

DISKPART <enter>

select disk=system <enter>

detail disk <enter>
My System SpecsSystem Spec
22 Apr 2011   #6
dogbert2

Windows 7 Ultimate x64
 
 

Here is the readout from DISKPART:

C:\Users\Bill>diskpart

Microsoft DiskPart version 6.1.7601
Copyright (C) 1999-2008 Microsoft Corporation.
On computer: NERMAL

DISKPART> select disk=system

Disk 0 is now the selected disk.

DISKPART> detail disk

ST31000340AS ATA Device
Disk ID: 1CE2F023
Type : SATA
Status : Online
Path : 0
Target : 0
LUN ID : 0
Location Path : PCIROOT(0)#PCI(1100)#ATA(C00T00L00)
Current Read-only State : No
Read-only : No
Boot Disk : Yes
Pagefile Disk : Yes
Hibernation File Disk : No
Crashdump Disk : Yes
Clustered Disk : No

Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 1 System Rese NTFS Partition 100 MB Healthy System
Volume 2 C NTFS Partition 931 GB Healthy Boot

Very useful stuff that DISKPART
My System SpecsSystem Spec
22 Apr 2011   #7
Shootist

Windows 7 Pro x64
 
 

Quote   Quote: Originally Posted by dogbert2 View Post
I will do that (probably tomorrow)...I have been able to determine that the new drive is in Channel 2 and the DVD-ROM is in channel 4 (right where device manager said it would be). Would it be too much of a stretch to say that Location 0 (Channel 0, Target 0, Lun 0) is drive C (assuming that is the first drive that shows up in the BIOS menu)?

What I am planning to do is to move about 850GB of media from drive D: to the new 2TB Drive F:, then run it for 24 hours (without mounting the 2TB physically), then powering down and mounting it permanently.

I just wish that Win 7 would say that Drive Model <x> is drive letter(s) <w, y, z>, etc
Actually I have never seen a reference to the SATA channels (Ports) listed like that.
Could you post a screen shot of where you are seeing this.

If you look in the manual for the board is should point out numbers for the different SATA connectors. SATA 0/1/2/3.
I place my drives on the port numbers as I want them to show in the OS. Boot drive goes on Port 0 and so on. Then I check how the BIOS sees them. On my Asus board, a P7P55D-E Pro, it's a little screwed. I had to place the drive I wanted to be second in Win Explorer (actually my drive E because my boot drive has 2 partitions) on the third SATA port instead of on the second port.
My System SpecsSystem Spec
22 Apr 2011   #8
dogbert2

Windows 7 Ultimate x64
 
 

I got that information from device manager, but the command DISKPART was able to give me the information I needed as to which drive is the Boot Drive (see post above yours for information)
My System SpecsSystem Spec
22 Apr 2011   #9
Shootist

Windows 7 Pro x64
 
 

Quote   Quote: Originally Posted by dogbert2 View Post
I got that information from device manager, but the command DISKPART was able to give me the information I needed as to which drive is the Boot Drive (see post above yours for information)
Oh on the properties of the drive. Thanks.
My System SpecsSystem Spec
22 Apr 2011   #10
Phone Man

Windows 8.1 Pro w/Media Center 64bit, Windows 7 HP 64bit
 
 

Go to Device Manager and right click a drive and select Properties then Volume and hit Populate and it will list what is on that drive.

Jim
My System SpecsSystem Spec
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 How to read drive channels




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