Hp ProLiant BL465c G7 Server-Blade User Manual download pdf (Page 22)

Hardware options installation 22

Memory subsystem architecture

The memory subsystem in this server blade is divided into channels. Each processor supports four

channels, and each channel supports two DIMM slots, as shown in the following table.

Channel Slot Slot number

This multi-channel architecture provides enhanced performance in Advanced ECC mode. This server blade

supports both Registered PC3 DIMMs (RDIMMs) and Unbuffered DIMMs (UDIMMs).

DIMM slots in this server are identified by number and by letter. Letters identify the slots to populate for

specific AMP modes. Slot numbers are reported by ROM messages during boot and for error reporting.

DIMM identification

To determine DIMM characteristics, use the label attached to the DIMM and the following illustration and

table.

Item Description Definition

1 Size —

2 Rank

1R = Single-rank

2R = Dual-rank

4R = Quad-rank

3 Data width

x4 = 4-bit

x8 = 8-bit

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 97 98

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Hp ProLiant BL465c G7 Server-Blade User Manual Page 22