The batch files in this ZIPed archive are to patch the BOOT disk for DOS 5.00. Files are: MSFMT.BAT --> Patch the MS-DOS FORMAT command to work correctly with PCjr PATCHA.BAT --> Patch the BOOT disk in the A:> drive. PATCHB.BAT --> Patch the BOOT disk in the B:> drive. PATCHC.BAT --> Patch the BOOTABLE C:> drive (Hard Drive). PATCHD.BAT --> Patch the BOOTABLE D:> drive (Hard Drive). PATCHFMT.BAT --> Patch the PC-DOS FORMAT command to work correctly with PCjr. PATCH5.TXT --> This text file. *** DO NOT USE THESE PATCHS ON ANY VERSION OF DOS OTHER THAN DOS 5.00 *** www.angelfire.com/va/pcjr