Improvement: 1.Fixes errors in codes that support LS-120. Due to some errors in the codes that support LS-120, even with the 1.2/1.44MB Floppy removed and Drive A: & B: both set to "None" in Standard CMOS Setup, there will still be two icons in My Computer Dialog Box in Windows NT, A: for nothing while B: for LS-120. 2.Supports Iomega Zip Drive.