RM23712 TPS
45
The installation and functionality of several system components are used to maintain system
thermals. They include three managed 40mm single rotor system fans, fans integrated into each
installed power supply module, an air duct, populated drive carriers, and a CPU heat sink. Drive
carriers can be populated with a storage device (SSD or Hard Disk Drive) or supplied drive blank.
4.1 Thermal Operation and Configuration Requirements
To keep the system operating within supported maximum thermal limits, the system must meet the
following operating and configuration guidelines:
The system is designed for sustained operation with an external ambient temperature of up to
35°C (ASHRAE Class A2) with short term excursion based operation up to 45°C (ASHRAE
Class A4).
。 The system can operate at an external ambient temperature of 40°C (ASHRAE Class A3)
for up to 900 hours per year
。 The system can operate at an external ambient temperature of 45°C (ASHRAE Class A4)
for up to 90 hours per year
。 System performance may be impacted when operating at external ambient air
temperatures above 35°C
。 There is no long term system reliability impact when operating the system at the
extended temperature range within the specified limits.
Specific configuration requirements and limitations are documented in the configuration matrix
found in Appendix D of this document
The CPU-1 processor + CPU heat sink must be installed first. The CPU-2 heat sink must be
installed at all times, with or without a processor installed.
Memory Slot population requirements –
NOTE: Some system configurations may come with pre-installed DIMM blanks. DIMM blanks
should only be removed when installing a DIMM in the same DIMM slot. Memory population
rules apply when installing DIMMs.
。 DIMM Population Rules on CPU-1 – Install DIMMs in order; Channels A, B, C, and D.
Start with the 1st DIMM (Blue Slot) on each channel, then slot 2, then slot 3. Only
remove factory installed DIMM blanks when populating the slot with memory.
。 DIMM Population on CPU-2 – Install DIMMs in order; Channels E, F, G, and H. Start
with the 1st DIMM (Blue Slot) on each channel, then slot 2, then slot 3. Only remove
factory installed DIMM blanks when populating the slot with memory.
。 The following system configurations require that specific memory slots be populated at
all times using either a DIMM or supplied DIMM Blank
System Configuration –12 x 3.5” front drive bay configuration
Memory slots 2 and 3 populated on all memory channels
All externally accessed drive bays must be populated. Drive carriers can be populated with a
storage device (SSD or HDD) or supplied drive blank.
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