1. I wanted to post some more details. The SATA DVD burner is listed in Device Manager, Properties Sheet, Details as follows:
SCSI\CDROM&VEN_TSSTCORP&PROD_CDDVDW_SH-S203N&REV_SB02\4&EFEDCC1&0&000
Notice the SCSI in front, even though the drive is connected to a SATA port on the motherboard. I have tried switching SATA ports. My guess is this happened because I once connected the drive to a SATA port on a PCI-E add-in card.
2. Also, I have an IDE burner that has been working fine through all of my tests so far.
3. I have been able to use Nero, Recode, Burning ROM, and Express to burn DVDs, CDs with none of the errors I am getting using Imgburn. This is seems like the most important point. I forgot to post this earlier.
Fred