WebSphere Application Server V5.1.1 hardware requirements summary

Back to all detailed system requirements

For the list of supported operating systems, see the Software Requirements page.

	WebSphere Application Server
	WebSphere Application Server Network Deployment

WebSphere Application Server V5.1.1

For AIX®:

• pSeries® at 375 MHz or faster
• Minimum 502 MB free disk space for installation (includes SDK)
• Minimum 256 MB physical memory; 512 MB recommended
• CD-ROM drive

For HP-UX:

• PA-RISC at 440 MHz or faster
• Minimum 800 MB free disk space for installation (includes SDK)
• Minimum 256 MB physical memory; 512 MB recommended
• CD-ROM drive

For Linux® on x86:

• AMD Opteron, Intel® Pentium at 500 MHz or faster, or Intel EM64T (32-bit kernel support only)
• Minimum 550 MB free disk space for installation (includes SDK)
• Minimum 256 MB of physical memory; 512 MB recommended
• CD-ROM drive

For Linux on S/390® and zSeries®:

• G5, G6, or MP3000 processors (31-bit kernel support only, supported for certain Linux distributions only)
• zSeries processors (31-bit kernel support, supported for certain Linux distributions only, or 64-bit kernel support)

(For details on which Linux distributions are supported with 31-bit or 64-bit kernels, please see the Software Requirements page.)

• Minimum 602 MB free disk space for installation
• Minimum 256 MB of physical memory; 512 MB recommended
• CD-ROM drive

For Linux on iSeries™:

• iSeries Models that support LPAR (64-bit kernel support only) with minimum of 450 CPW in Linux partition
• Minimum 16 GB free disk space for the OS/400® partition, and 2.5 GB minimum for the Linux partition
• Minimum 256 MB of physical memory; 512 MB recommended for the OS/400 partition
• Minimum 512 MB of physical memory for the Linux partition
• CD-ROM drive

For Linux on pSeries:

• pSeries Models that support Linux (64-bit kernel support only)
• Minimum 550 MB free disk space for installation
• Minimum 256 MB of physical memory; 512 MB recommended
• CD-ROM drive

For OS/400:

• AS/400e™ server 170 with processor feature 2385 or
• AS/400e server 720 with processor feature 2062 or
• iSeries Model 270 with processor feature 2252 or
• iSeries Model 820 with processor feature 2396
• Minimum 750 MB free disk space for installation
• Minimum 750 MB physical memory; 1 GB recommended

For Sun Solaris:

• Solaris SPARC workstation at 440 MHz, or faster
• Minimum 580 MB free disk space for installation (includes SDK)
• Minimum 256 MB physical memory; 512 MB recommended
• CD-ROM drive

For Windows® 2000 and 2003:

• AMD Opteron, Intel® Pentium® at 500 MHz or faster, or Intel EM64T (32-bit Operating System support only)
• Minimum 596 MB free disk space for installation (includes SDK)
• Minimum 256 MB physical memory; 512 MB recommended
• CD-ROM drive

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WebSphere Application Server Network Deployment V5.1.1

For AIX:

• pSeries at 375 MHz or faster
• Minimum 380 MB free disk space for installation (includes SDK)
• Minimum 256 MB physical memory; 512 MB recommended
• CD-ROM drive

For HP-UX:

• PA-RISC at 440 MHz or faster
• Minimum 670 MB free disk space for installation (includes SDK)
• Minimum 256 MB physical memory; 512 MB recommended
• CD-ROM drive

For Linux on x86:

• AMD Opteron, Intel Pentium at 500 MHz or faster, or Intel EM64T (32-bit kernel support only)
• Minimum 400 MB free disk space for installation (includes SDK)
• Minimum 256 MB of physical memory; 512 MB recommended
• CD-ROM drive

For Linux on S/390 and zSeries:

• G5, G6, or MP3000 processors (31-bit kernel support only, supported for certain Linux distributions only)
• zSeries processors (31-bit kernel support, supported for certain Linux distributions only, or 64-bit kernel support)
  
  (For details on which Linux distributions are supported with 31-bit or 64-bit kernels, please see the Software Requirements page.)

• Minimum 602 MB free disk space for installation
• Minimum 256 MB of physical memory; 512 MB recommended
• CD-ROM drive

For Linux on iSeries:

• iSeries Models that support LPAR (64-bit kernel support only) with minimum of 450 CPW in Linux partition
• Minimum 16 GB free disk space for the OS/400 partition, and 2.5 GB minimum for the Linux partition
• Minimum 256 MB of physical memory; 512 MB recommended for the OS/400 partition
• Minimum 512 MB of physical memory for the Linux partition
• CD-ROM drive

For Linux on pSeries:

• pSeries Models that support Linux (64-bit kernel support only)
• Minimum 400 MB free disk space for installation
• Minimum 256 MB of physical memory; 512 MB recommended
• CD-ROM drive

For OS/400:

• AS/400e server 170 with processor feature 2385 or
• AS/400e server 720 with processor feature 2062 or
• iSeries Model 270 with processor feature 2252 or
• iSeries Model 820 with processor feature 2396
• Minimum 381 MB free disk space for installation
• Minimum 750 MB physical memory; 1 GB recommended

For Sun Solaris:

• Solaris SPARC workstation at 440 MHz, or faster
• Minimum 470 MB free disk space for installation (includes SDK)
• Minimum 256 MB physical memory; 512 MB recommended
• CD-ROM drive

For Windows 2000 and 2003:

• AMD Opteron, Intel Pentium at 500 MHz or faster, or Intel EM64T (32-bit Operating System support only)
• Minimum 364 MB free disk space for installation (includes SDK)
• Minimum 256 MB physical memory; 512 MB recommended
• CD-ROM drive

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