Maximum memory might require replacement of the standard memory with an
optional memory module.
IBM makes no representation or warranties regarding non-IBM products and
services that are ServerProven
®
, including but not limited to the implied warranties
of merchantability and fitness for a particular purpose. These products are offered
and warranted solely by third parties.
IBM makes no representations or warranties with respect to non-IBM products.
Support (if any) for the non-IBM products is provided by the third party, not IBM.
Some software might differ from its retail version (if available) and might not include
user manuals or all program functionality.
Particulate contamination
Attention:
Airborne particulates (including metal flakes or particles) and reactive
gases acting alone or in combination with other environmental factors such as
humidity or temperature might pose a risk to the server that is described in this
document. Risks that are posed by the presence of excessive particulate levels or
concentrations of harmful gases include damage that might cause the server to
malfunction or cease functioning altogether. This specification sets forth limits for
particulates and gases that are intended to avoid such damage. The limits must not
be viewed or used as definitive limits, because numerous other factors, such as
temperature or moisture content of the air, can influence the impact of particulates
or environmental corrosives and gaseous contaminant transfer. In the absence of
specific limits that are set forth in this document, you must implement practices that
maintain particulate and gas levels that are consistent with the protection of human
health and safety. If IBM determines that the levels of particulates or gases in your
environment have caused damage to the server, IBM may condition provision of
repair or replacement of servers or parts on implementation of appropriate remedial
measures to mitigate such environmental contamination. Implementation of such
remedial measures is a customer responsibility.
Table 10. Limits for particulates and gases
Contaminant
Limits
Particulate
v
The room air must be continuously filtered with 40% atmospheric dust
spot efficiency (MERV 9) according to ASHRAE Standard 52.2
1
.
v
Air that enters a data center must be filtered to 99.97% efficiency or
greater, using high-efficiency particulate air (HEPA) filters that meet
MIL-STD-282.
v
The deliquescent relative humidity of the particulate contamination
must be more than 60%
2
.
v
The room must be free of conductive contamination such as zinc
whiskers.
Gaseous
v
Copper: Class G1 as per ANSI/ISA 71.04-1985
3
v
Silver: Corrosion rate of less than 300 Å in 30 days
Appendix B. Notices
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