Acronis os selector 8.0 User Manual

•  DRVSPACE.BIN (mandatory for MS-DOS 6.22–8.0);
•  LOGO.SYS (optional for MS-DOS 7.x/8.0);
•  COMMAND.COM (optional for all DOS versions).

Configuration files list:

•  MSDOS.SYS (for MS-DOS 7.x/8.0);
•  WINBOOT.INI (alternative MSDOS.SYS);
•  CONFIG.SYS (for all DOS versions);
•  AUTOEXEC.BAT (for all DOS versions).

9.1.4 Limitations

Different DOS versions have the following limitations:

• Only MS-DOS 7.1/8.0 supports FAT32 along with FAT16 file system.
• Only MS-DOS 7.1/8.0 support extended BIOS and hard disks larger than

8 GB – but only with FAT16 LBA, FAT32 LBA and EXTENDED LBA
partitions. This can cause conflicts with other DOS versions that are
installed on the same computer.

• For MS-DOS, the boot partition should be the partition to which drive

letter C: is assigned, otherwise the operating system’s booting will not
finish.

• MS-DOS and PC-DOS have troubles accessing multiple primary partitions

if the hard disk contains logical partitions that were not recognized by
DOS.

Due to the limitation of boot code in most DOS–like operating systems, their boot

partitions should be located in the first 2 gigabytes of a hard disk.

9.2 Windows

95/98/ME

Under Windows 95/98/ME booting always starts with MS-DOS, thus
everything concerning MS-DOS 7.x/8.0 booting applies to Windows 95/98/ME
as well.

9.2.1 Supported

Versions

Acronis OS Selector supports Windows 95, Windows 95OSR2/98/ME and can
detect their language version.

9.2.2

Booting Details and Limitations

Windows booting starts when MS-DOS executes the WIN.COM file. This
program loads the Windows kernel that loads drivers, arranges memory
allocation and starts the shell program (EXPLORER.EXE).