| IBM Lotus Sametime 7.5.1 | Release Notes | 
Installation, migration, upgrade, and configuration information
Hardware requirements
Sametime
Hardware requirements for Sametime 7.5.1
Server hardware requirements
Sametime requires one server for Sametime installation that meets these requirements:
Operating System - IBM eServer pSeries (AIX)
zCPU 
zRAM 
zDisk space 
zDisk swap space --  1 GB minimum.
zVideo requirements 
Operating system - i5/OS
zIBM i5/OS, 5722SS1, Version 5 Release 3 or later. For more details, see "Installing and Managing Lotus Sametime 7.5 for i5/OS" (stinstall.pdf), available from the Lotus Sametime documentation page at http://www.ibm.com/developerworks/lotus/documentation/sametime.
zCPU 
zRAM 
zDisk space 
Operating system - Sun Solaris
zCPU 
zRAM 
zDisk space 
zDisk swap space 
zVideo requirements 
25