SQL Server 2005 System configuration requires official instructions _mssql2005

SQL Server 2005 (32-bit) system requirements
Minimum requirements
Processor
MHz or faster processors (recommended 1 GHz or faster)
Operating system
SQL Server Enterprise Edition and Standard Edition can be run on the following operating systems:
Windows Server 2003,standard Edition1
Windows Server 2003,enterprise Edition2
Windows Server 2003,datacenter Edition3
Windows Small Business Server 2003 Standard Edition
Windows Small Business Server 2003 Premium Edition
Windows server*
Windows Advanced server*
Windows Datacenter server*

SQL Server Evaluation Edition and Workgroup Edition can be run on the Standard Edition and Enterprise Edition of any of the operating systems listed above, in addition to the following As a system:
Windows XP professional**
Windows XP Media edition**
Windows XP Tablet edition**
Windows professional*

SQL Server Developer Edition and Express Edition can be run on any of the operating systems listed above, as well as the following operating systems:
Windows XP Home edition**
Windows Server 2003 Web Edition4 (Express only)

* Need to apply Windows SP4 or higher
* * need to apply Windows XP SP2 or later
Memory 5
Enterprise edition:512 MB (recommended 1 GB or higher)
Standard edition:512 MB (recommended 1 GB or higher)
workgroup edition:512 MB (recommended 1 GB or higher, up to 3 GB)
Evaluation edition:512 MB (recommended 1 GB or higher)
developer edition:512 MB (recommended 1 GB or higher)
Express edition:128 MB (recommended for MB or higher, up to 1 GB)

Hard Drive 6
SQL Server 2005 requires:
• Full installation requires MB of available hard disk space.
• The sample database requires 390 MB of space.

Drive
CD-ROM drive
Display
VGA or higher resolution display
Other equipment
Microsoft Internet Explorer 5.0 or later
Windows 95, Windows 98, Windows Me, Windows NT 4.0, Windows 2000, and Windows XP have built-in networking software. If you use Banyan vines or AppleTalk ADSP, you need to install additional network software. Novell NetWare ipx/spx Client support provided by the Windows-based Networking NWLink protocol.

Client Support:
Windows 957 supports Windows 98, Windows Me, Windows NT Workstation 4.0, Windows Professional, Windows XP Professional, and Windo WS XP Home Edition.
Unix, Apple Macintosh, and OS/2 require Open Database Connectivity (ODBC) client software that is not provided by a Microsoft provider.

1 you need to apply Windows Server 2003 Service Pack 1 or later.
2 You need to apply Windows Server 2003 Service Pack 1 or later.
3 You need to apply Windows Server 2003 Service Pack 1 or later.
4 you need to apply Windows Server 2003 Service Pack 1 or later.
5 may require additional memory, depending on the operating system requirements.
6 The hard drive requirements vary according to the system configuration and the applications and features you choose to install.
7 only client connections are supported, not including graphics tool support.
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SQL Server 2005 (64-bit) system requirements
Note: The SQL Server 2005 64-bit version supports extended systems, called Windows on Windows (WOW64). WOW64 is a feature of the Microsoft Windows 64-bit version that allows 32-bit applications to be performed in 32-bit mode on this machine. Applications can run in 32-bit mode, even if the underlying operating system is running on a 64-bit platform.
Minimum requirements
Processor
IA64 Minimum Requirements: 733 MHz or faster Itanium processors or higher processors X64 minimum requirements: 1 GHz or faster AMD Opteron, AMD Athlon 64, Intel EM64T supported by Intel Xeon, with EM 64T supported Intel Pentium IV
Operating system
SQL Server Enterprise Edition (IA64), Standard Edition (IA64), and Developer Edition (IA64) can be run on the following operating systems:
Windows Server 2003,sp1 64-bit Itanium Datacenter Edition
Windows Server 2003,sp1 64-bit Itanium Enterprise Edition

SQL Server Enterprise Edition (X64), Standard Edition (X64), and Developer Edition (X64) can be run on the following operating systems:
Windows Server 2003,sp1 64-bit X64 Datacenter Edition
Windows Server 2003,sp1 64-bit X64 Enterprise Edition
Windows Server 2003,sp1 64-bit X64 Standard Edition

SQL Server Edition Express can be run on any of the operating systems listed above, in addition to the following operating systems:
Windows XP X64 Professional (64-bit)

Memory
ia64:512 MB (recommended 1 GB or higher, up to TB)
x64:512 MB (recommended 1 GB or higher, up to TB)

Hard drive 1
SQL Server 2005 requires:
• Full installation requires MB of available hard disk space.
• The sample database requires 390 MB of space.

Drive
CD-ROM drive
Display
VGA or higher resolution display
Other equipment
Microsoft Internet Explorer 5.0 or later
Windows 95, Windows 98, Windows Me, Windows NT 4.0, Windows 2000, and Windows XP have built-in networking software. If you use Banyan vines or AppleTalk ADSP, you need to install additional network software. Novell NetWare ipx/spx Client support provided by the Windows-based Networking NWLink protocol.

Client Support:
Windows 952 supports Windows 98, Windows Me, Windows NT Workstation 4.0, Windows Professional, Windows XP Professional, and Windo WS XP Home Edition.
Unix, Apple Macintosh, and OS/2 require Open Database Connectivity (ODBC) client software that is not provided by a Microsoft provider.

1 The hard drive requirements vary according to the system configuration and the applications and features you choose to install.
2 Only client connections are supported, not including graphics tool support.