Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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Sun Ultra[tm] 20 Workstation

See also Ultra 20, RoHS:Y
or Ultra 20 M2, RoHS:Y

Ultra 20 M2 Workstation

Front View

Left View

Rear View

Information Areas

Quick Facts

Code Name

Family part # A63
Serial Number Location Back, center between power supply and fan
(also on left side near front)
Rack Units n/a
GA Date August, 2005
EOL/SS-EOSL/EOSL EOSL List for Sun Hardware
Minimum Supported
Operating Environment Versions
Red Hat Enterprise Linux WS 3, Update 5 *
Red Hat Enterprise Linux WS 4, Update 1 *
SuSE Linux Enterprise Server 9, SP 1 *
Solaris 10 x86 **
Windows XP Professional ***
Windows XP Professional x64 Edition ***
Flash PROM Patch No Flash PROM Patch

Driver and Diagnostics updates
available here

Boot PROM and LOM Revisions
Warranty Warranty Information
* - 64-bit and 32-bit
** - pre-installed
*** - WHQL certified, contact Microsoft for OS support.
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