How to enter a pure DOS system and set up the CD drive to start

Part 1: Booting into DOS with a floppy disk <1> Set the floppy drive to the first boot disk.
When the computer just started up as shown in Figure 1
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Press the "DEL" or "Delete" button and let go until Figure 2 is as follows
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enters the system basic input and output CMOS settings, press here Use the "Down or Up" arrow key to select the "Advanced BIOS Features" item. As shown in Figure 3 below
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Then press “Enter” to enter the “Advanced BIOS Features” setting, as shown in Figure 4
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herein" first boot Device "is provided as a first item entry boot disk," Second boot The Device item is to set the second boot disk item, and the "Third Boot Device" item is to set the third boot disk item. Here we set the "First Boot Device" item to "Floppy" or floppy disk. "cdrom" is the CD-ROM boot. Now the installation system is usually booted from the CD. The "Second Boot Device" item is set to "HDD-0", which is the default hard disk. . Setting method: Select “First Boot Device” and press “Enter” to enter the button as shown in Figure 5 below.
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(Floppy--floppy disk, HDD-0--hard disk, CDROM--disc) above and then press “Up or Down” arrow keys, select “Floppy” item, then press “Enter” to enter the setting and return to Figure 4 again. You can see that the setting has been changed. In the same way, set the “Second Boot Device” item to “HDD-0”. After setting, press “Esc” to exit to (Fig. 1) screen, then press “Right and Down” to select “Save & Exit Setup” item, the meaning of this item (save settings and exit), as shown in Figure 6 below ( Www.002pc.com)
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Select "Save & Exit Setup" item and press "Enter" to enter the following figure 7
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Press the "Y" key to enter, the system will save the recognition and restart . Up to here, the system's first boot disk item is set. After you enter the 98 or Me boot disk to the floppy disk drive (A disk), you can boot to the DOS system without booting. It is recommended to set the first boot disk item to "HDD-0" if you do not need to frequently go to the DOS system after installing the system. The process of starting is described below.

Second, the DOS boot process
system 98 will stick or Me startup disk into the floppy disk drive, and then start or restart the computer to appear as Figure 8
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Figure 8 In the boot menu; the first item is: load the CD-ROM driver at startup, the second item is: the CD-ROM driver is not loaded at startup, and the third item is: Start-up help. If you do not choose, the system starts the first item by default after 30 seconds. Use the "down or up" arrow selection button to select the second item "Start conputer without CD-ROM tupport" without loading the CD-ROM driver item. Then press Enter. You can boot to a pure DOS system. The screen shown in Figure 9 below will appear, and it is fully entered.
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Congratulations! The pure DOS system started successfully.
Tip: When booting into the DOS system with the boot disk, booting with the driver driver mode, the drive letter of the CD-ROM drive is delayed by one drive letter than the actual drive letter. If your CD-ROM drive is an F drive in Windows system, That is, it becomes G disk here; if your CD-ROM drive is G disk in Windows system, it becomes H disk here; and so on. If you choose to load the CD-ROM driver when you start DOS, you can display the drive letter used by the CD-ROM drive in the third-to-last line of the picture shown in Figure 9. If you boot into the DOS system with the boot disk, do not load the CD-ROM driver mode to start, that is, you can not read the contents of the CD-ROM drive after entering DOS.
Part 2: Use 98 or Me installation CD to boot into DOS
First, set the CD-ROM as the first boot disk. (Refer to the first part: setting the floppy drive as the first boot disk) Not much to say here.
Second, use the Windows 98 installation CD to boot into the DOS system
After the CD-ROM drive is the first boot disk, put the Windows 98 installation CD into the CD-ROM drive, restart the computer to appear as shown below Figure 10
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Above Three options are available. If you do not make a selection, the first item is automatically entered after 30 seconds. Are three options:
first item "1. Start Windows 98 Setup from CD-ROM" (Windows 98 mounted boot from the CD system) The second "2. Start computer without CD-ROM support" (load drive The driver enters DOS) The third item "3. Start computer without CD-ROM support" (do not load the CD-ROM driver into DOS)
Here to enter the pure DOS, select the third item (choose the second item can also enter DOS), after the carriage return, as shown in Figure 11 below
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three
FIG. 11, Windows Me installation CD to start with a DOS system
the first boot disk drive, the Windows Me CD-ROM into the CD drive , restart the computer to appear as shown in Figure 12
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Select the third or second item and press Enter to enter DOS.