disk error how can i understand which drive is it?

Hi

i got this error 01/07/2013 07:06:15 Disk id 11
The driver detected a controller error on \Device\Harddisk7\DR7.

to find which drvie is it should i use compmgmt.msc /s ? right?

in compmgmt.msc
i have
disk 0
disk 1
disk 2
disk 3 usb
disk 4 usb
dvd
and this morning i pluged a sony card reader ,it shows 4 devices/4 slots for cf/sd and other 2 , -cf usb -ms usb -sd usb -sm usb

should be the cf/sd reader ?
http://i.imgur.com/QU6a57O.png

Code:

In word

0000: 0080010E 00000001 00000000 C004000B 
0008: 00000103 00000000 00000000 002D0800 
0010: 00000000 00000000 0000316E 00000000 
0018: FFFFFFFF 00000006 00000058 00000000 
0020: 12060000 10000008 00000000 0000003C 
0028: 00000000 00000000 0CAB6500 FFFFFA80 
0030: 00000000 00000000 0F5F44D0 FFFFFA80 
0038: 00000000 00000000 00000000 00000000 
0040: 00000000 00000000 00000000 00000000 
0048: 00000000 00000000 00000000 00000000 
0050: 00000000 00000000   

Code:

In byte

0000: 0E 01 80 00 01 00 00 00   ..€.....
0008: 00 00 00 00 0B 00 04 C0   .......À
0010: 03 01 00 00 00 00 00 00   ........
0018: 00 00 00 00 00 08 2D 00   ......-.
0020: 00 00 00 00 00 00 00 00   ........
0028: 6E 31 00 00 00 00 00 00   n1......
0030: FF FF FF FF 06 00 00 00   ÿÿÿÿ....
0038: 58 00 00 00 00 00 00 00   X.......
0040: 00 00 06 12 08 00 00 10   ........
0048: 00 00 00 00 3C 00 00 00   ....<...
0050: 00 00 00 00 00 00 00 00   ........
0058: 00 65 AB 0C 80 FA FF FF   .e«.€úÿÿ
0060: 00 00 00 00 00 00 00 00   ........
0068: D0 44 5F 0F 80 FA FF FF   ÐD_.€úÿÿ
0070: 00 00 00 00 00 00 00 00   ........
0078: 00 00 00 00 00 00 00 00   ........
0080: 00 00 00 00 00 00 00 00   ........
0088: 00 00 00 00 00 00 00 00   ........
0090: 00 00 00 00 00 00 00 00   ........
0098: 00 00 00 00 00 00 00 00   ........
00a0: 00 00 00 00 00 00 00 00   ........

thanks a lot