60 IBM eX5 Implementation Guide
The MAX5 has the following specifications:
IBM EXA5 chip set.
Intel memory controller with eight memory ports (four DIMMs on each port).
Intel QuickPath Interconnect (QPI) architecture technology to connect the MAX5 to the
x3850 X5. Four QPI links operate at up to 6.4 gigatransfers per second (GT/s).
Scalability:
– Connects to an x3850 X5 server using QPI cables.
Memory DIMMs:
– Minimum: 2 DIMMs, 4 GB.
– Maximum: 32 DIMM connectors (up to 512 GB of memory using 16 GB DIMMs).
– Type of DIMMs: PC3-10600, 1067 MHz, ECC, and DDR3 registered SDRAM DIMMs.
– Supports 2 GB, 4 GB, 8 GB, and 16 GB DIMMs.
All DIMM sockets in the MAX5 are accessible regardless of the number of processors
installed on the host system.
Five hot-swap 40 mm fans.
Power supply:
– Hot-swap power supplies with built-in fans for redundancy support.
– 675-watt (110 - 220 V ac auto-sensing).
– One power supply standard, two maximum (second power supply is for redundancy).
Light path diagnostics LEDs:
–Board LED
– Configuration LED
– Fan LEDs
– Link LED (for QPI and EXA5 links)
– Locate LED
– Memory LEDs
– Power-on LED
– Power supply LEDs
Physical specifications:
– Width: 483 mm (19.0 in.)
– Depth: 724 mm (28.5 in.)
– Height: 44 mm (1.73 in.) (1U rack unit)
– Basic configuration: 12.8 kg (28.2 lb.)
– Maximum configuration: 15.4 kg (33.9 lb.)
With the addition of the MAX5 memory expansion unit, the x3850 X5 gains an additional
32 DIMM sockets for a total of 96 DIMM sockets. Using 16 GB DIMMs means that a total of
1.5 TB of RAM can be installed.
All DIMM sockets in the MAX5 are accessible, regardless of the number of processors
installed on the host system.
Figure 3-5 on page 61 shows the ports at the rear of the MAX5 memory expansion unit. The
QPI ports on the MAX5 are used to connect to a single x3850 X5. The EXA ports are
reserved for future use.
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