Hi Please check below link
http://support.microsoft.com/default.aspx?scid=kb;en-us;281678&Product=win20
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CD-ROM Is Not Available During Windows 2000 Setup
View products that this article applies to.
This article was previously published under Q281678
SYMPTOMS
During Windows 2000 Setup, your CD-ROM may become unavailable. This may
occur after Text mode Setup is complete and Graphic User Interface (GUI)
mode Setup starts. This symptom typically occurs if the CD-ROM is connected
to the second IDE controller that is integrated with your computer
mainboard.
CAUSE
This issue may occur if your computer BIOS is out-of-date.
RESOLUTION
To resolve this issue, update your mainboard BIOS to the latest revision.
For information about how to contact your mainboard manufacturer, click the
appropriate article number in the following list to view the article in the
Microsoft Knowledge Base:
65416 Hardware and Software Third-Party Vendor Contact List, A-K
60781 Hardware and Software Third-Party Vendor Contact List, L-P
60782 Hardware and Software Third-Party Vendor Contact List, Q-Z
This issue is known to occur with the ASUS A7V mainboard. To resolve this
issue if you are using the ASUS A7V mainboard, update your BIOS to revision
1004A or later. To obtain revision 1004A or later, visit the following ASUS
FTP site:
ftp://ftp.asus.com.tw/pub/asus/mb/socka/kt133/a7v/a7v1011.zip
Microsoft provides third-party contact information to help you find
technical support. This contact information may change without notice.
Microsoft does not guarantee the accuracy of this third-party contact
information.
The information in this article applies to:
Microsoft Windows 2000 Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Advanced Server
Subbu
This posting is provided "AS IS" with no warranties, and confers no rights.
