HP ProLiant WS460c Gen8 Graphics Server Blade - Manual (Page 50)

Hardware options installation 50
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
3R = Three-rank
4R = Quad-rank
3 Data width x4 = 4-bit
x8 = 8-bit
4
Voltage rating L = Low voltage (1.35V)
U = Ultra low voltage (1.25V)
Blank or omitted = Standard
5 Memory speed 12800 = 1600-MT/s
10600 = 1333-MT/s
8500 = 1066-MT/s
6 DIMM type R = RDIMM (registered)
E = UDIMM (unbuffered with ECC)
L = LRDIMM (load reduced)
For the latest supported memory information, see the QuickSpecs on the HP website
(
http://h18000.www1.hp.com/products/quickspecs/ProductBulletin.html ). At the website, choose the
geographic region, and then locate the product by name or product category.
Memory configurations
To optimize workstation blade availability, the workstation blade supports the following AMP modes:
• Advanced ECC—provides up to 4-bit error correction and enhanced performance over Lockstep mode.
This mode is the default option for this workstation blade.