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Working with Avira NTFS4DOS 

5.4

 

Maximize I/O speed 

With the 

ntaccess.lib

 access technology, Avira NTFS4DOS offers maximum performance. 

However, disk access on DOS is usually slow as it does not use UDMA. The powerful 
UDMA mode for accessing the IDE drive is not implemented in many BIOS versions, but 
only the much slower PIO mode. The maximum transfer rate of the hard disk in this case 
is approx. 8 MB/s, which in practice results in a random access data transfer rate of 
about 1MB/s.  

Modern hard disks, on the other hand, reach a transfer rate of 10 MB/s and more if 
operated in the faster UDMA mode. However, this requires a special driver.  

You can insert this UDMA driver in 

config.sys

devicehigh=udma.sys 

 

The UDMA driver was developed by Latschezar Georgiev. For more details and the 
current driver version, please refer to the dedicated website.  

Avira NTFS4DOS uses an internal cache memory of 2 MB to additionally speed up data 
access.  

 

5.5

 

Avira NTFS4DOS on Windows 98 and Windows ME 

As a DOS program, Avira NTFS4DOS also runs on Windows 98 and Windows ME in the 
DOS box. Therefore, you can use, for example, an anti-virus program installed on 
Windows 98 to scan NTFS drives for viruses.  

However, Avira NTFS4DOS must not be started in the file 

autoexec.bat

 if installed on 

Windows 98/ME. It should always start in a DOS box because when opening the DOS 
box the connected NTFS drives are also accessible. 

 

 

On Windows NT, Windows 2000 and Windows XP you cannot use Avira 
NTFS4DOS in a DOS box because these operating systems do not support 
direct hardware access. 

 

Avira GmbH  

Avira NTFS4DOS Personal 

15 

Содержание NTFS FOR DOS PERSONAL

Страница 1: ...MORE THAN SECURITY www avira com User Manual Avira NTFS4DOS Personal...

Страница 2: ......

Страница 3: ...Publisher Avira GmbH D 88069 Tettnang Lindauer Str 21 Phone 49 0 7542 500 0 Fax 49 0 7542 525 10 Email info avira com Internet http www avira com Production Avira GmbH D 88069 Tettnang Lindauer Str 2...

Страница 4: ......

Страница 5: ...Performing the installation 9 4 1 3 Create a boot diskette 10 4 2 Deinstallation 11 5 Working with Avira NTFS4DOS 12 5 1 Configure the boot device 12 5 2 Command line parameters 13 5 3 Saving disk sp...

Страница 6: ...the software On our website http www free av com you can download the PDF manual for Avira NTFS4DOS Personal or update your Avira NTFS4DOS Personal and read more about the security solutions from Avi...

Страница 7: ...n Appears before a note with especially important information or a tip which makes it easier to understand and use Avira NTFS4DOS Appears before a warning of critical data loss The following emphases...

Страница 8: ...FS read and write access in separate applications Solutions Full access to NTFS file systems on DOS Integration of NTFS drives on DOS and Windows Creating boot media for Backup Restore Repair replace...

Страница 9: ...rts native NTFS This ensures that the read and particularly write access to the data carrier is absolutely reliable High performance As Avira NTFS4DOS communicates directly with the file system and do...

Страница 10: ...m FreeDOS is included in the delivery PC requirements DOS based operating system e g MS DOS on the hard drives or boot data carrier The computer s BIOS has to detect and address the hard drives BIOS s...

Страница 11: ...e Installation Wizard starts f Click on OK The Welcome window appears f Click on Next The License Agreement window opens f Confirm that you agree with the license terms and click on Next The Private U...

Страница 12: ...device again f Click on Next The Configuration window opens f Activate the option Create RAM Drive if you want to create a virtual drive in the main memory after booting f Type the Size of the RAM dr...

Страница 13: ...rator f In the Windows Start menu open the Control Panel f Double click Add or Remove Programs f Select Avira NTFS4DOS and click on Change Remove f Select the language The Uninstalling Avira NTFS4DOS...

Страница 14: ...le config sys please refer to your DOS documentation Editing the file autoexec bat You can edit the existing file autoexec bat For example you can start anti virus or imaging software For further deta...

Страница 15: ...NTFS4DOS again Examples for calling Avira NTFS4DOS Example 1 NTFS4DOS lF r8 command com C mybatch bat f This command starts Avira NTFS4DOS to connect the detected NTFS partitions starting from the dri...

Страница 16: ...e exit command 5 3 Saving disk space In order to save disk space you can start Avira NTFS4DOS from config sys This is useful especially when the memory is too low for running a utility program Example...

Страница 17: ...dma sys The UDMA driver was developed by Latschezar Georgiev For more details and the current driver version please refer to the dedicated website Avira NTFS4DOS uses an internal cache memory of 2 MB...

Страница 18: ...titions F9 Restart computer F10 Shut down computer This is how you defragment a partition f Start Avira NTFS4DOS by booting with the boot device you created in the Wizard f Select the option Defragmen...

Страница 19: ...l found and identified partitions CHKDSKG is a GUI tool for the less experienced user With CHKDSKG you can perform scanning or scanning with repair CHKDSKG Function key commands Function key Command F...

Страница 20: ...You want to purchase our products conveniently with the click of a button In the online shop of Avira GmbH you can purchase extend and enhance licenses quickly and securely under http www avira de en...

Страница 21: ......

Страница 22: ...ECURITY www avira com Avira GmbH Lindauer Str 21 D 88069 Tettnang Telephone 49 0 7542 500 0 Fax 49 0 7542 525 10 Email info avira com Internet http www avira com All rights reserved Subject to change...

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