It only adds to the log after a succesful burn, not when it can't find the drive. But here's from the most recent one.
; //****************************************\\; ImgBurn Version 2.4.2.0 - Log ; Friday, 20 March 2009, 17:40:36 ; \\****************************************// ; ; I 16:59:27 ImgBurn Version 2.4.2.0 started! I 16:59:27 Microsoft Windows Vista Ultimate Edition (6.0, Build 6001 : Service Pack 1) I 16:59:27 Total Physical Memory: 2,094,396 KB - Available: 1,233,940 KB I 16:59:27 Initialising SPTI... I 16:59:27 Searching for SCSI / ATAPI devices... I 16:59:29 Found 1 DVD