Glossary
End of Service (EOS / EOSL)
The date IBM stops offering standard hardware maintenance for a given system, after which factory parts, contracted field service, and firmware updates are no longer available through IBM directly.
End of Service (EOS), also called End of Service Life (EOSL), is the date IBM stops offering a standard hardware maintenance contract for a given machine type. For Power6 and Power6+ systems, that date was March 31, 2019, per IBM announcement letter 917-163.
Related Terms
POWER6
IBM's dual-core processor generation shipped starting May 2007, notable for very high clock speeds and hardware decimal floating-point support.
Third-Party Maintenance (TPM)
Hardware maintenance and support provided by a company other than IBM, typically used for hardware past IBM's own end-of-service date.