HP ProLiant DL980 DL980 G7 User Installation Guide - Page 40
Memory options, DIMM support
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13. Close and lock the heatsink retaining bracket. 14. Install the processor memory drawer cover. 15. Install the processor memory drawer. 16. Power up the server (on page 26). Memory options This server contains eight memory cartridge connectors in each processor memory drawer. Each memory cartridge can contain eight DIMMs, for a total of 128 DIMMs, for a maximum memory configuration of 2 TB. The server supports the following DIMM speeds: • Single- and dual-rank PC3-10600 (DDR-1333) DIMMs operating at 1066 MHz • Quad-rank PC3-8500 (DDR-1066) DIMMs operating at 1066 MHz Depending on the processor model, the memory clock speed may be reduced to 1066 or 800 MHz. DIMM support The server supports the following DIMMs: • Single- and dual-rank PC3-10600 (DDR3-1333) DIMMs operating at 1066 MT/s While single-rank DIMMs are supported, HP recommends dual-rank and quad-rank DIMMs since they provide significant memory throughput and better memory protection (Online Spare memory mode) over single-rank DIMMs. • Quad-rank PC3-8500 (DDR3-1066) DIMMs operating at 1066 MT/s Hardware options installation 40