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Chapter 2 Hardware Installation and Service 2-19
2.3.6 Servicing DIMMs
2.3.6.1 DIMM Requirements
The Sun Netra CP3220 blade server supports a total of eight DIMMs and the
maximum memory capacity of 32 Gbytes (using four 4-Gbyte DIMMs). The Sun
Netra CP3220 blade server accommodates the following DIMMs and configurations:
■ Up to eight standard DDR2-667 (PC2-5300) SDRAM registered/ECC DIMMs
■ DIMMs must be installed in matching pairs, in the lowest-number slots available
■ DIMM pair 0 must always be installed first
■ 2-Gbyte and 4-Gbyte, DDR2 modules are supported
■ Maximum of 32 Gbytes in eight slots
The Sun Netra CP3220 blade server supports DIMMs that have the following
characteristics:
■ A 144-bit wide data bus DDR2 interface (2x64-bit data + 2x8-bit ECC)
■ DDR2 DIMM: 4.4 - 7.0 watts (1.8 V)
■ Very low profile (VLP) with a maximum height of 0.72 inch (18.3 mm)
■ Data Bus: 64 bits, Clock Rate: 333 MHz, Data Rate: 667, MegaTransfers,
Throughput 5.3 Gbytes/second