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Memory modules may be installed one at a time per processor, but installing two at a time per processor provides for
additional performance, installing four at a time per processor provides for better performance, and installing equal amounts of
memory for both processors provides for best performance.
Install all memory modules of the same speed on the same processor for best performance.
Install all memory modules of the same voltage on the same processor for best power.
Memory bus speed
Memory bus speedMemory bus speed
Memory bus speed
Depending on the quantity and native speed of memory modules installed, memory bus speeds can be 1333 MHz, 1066 MHz, 800
MHz, or 667 MHz. Memory bus speeds can be different for each processor.
To determine memory bus speeds, do the following:
Within RBSU, select the
Power Management Options
Power Management OptionsPower Management Options
Power Management Options
menu >
Advanced Power Management Options
Advanced Power Management OptionsAdvanced Power Management Options
Advanced Power Management Options
menu >
Maximum Memory
Maximum MemoryMaximum Memory
Maximum Memory
Bus Frequency
Bus FrequencyBus Frequency
Bus Frequency
menu.
Select one of the following menu options:
Auto (default)
Auto (default)Auto (default)
Auto (default)
- The memory bus speed is set to what is shown in the following table. If the native speed of the installed
memory module is slower than the memory bus speed, the memory bus speed is set to the memory module native speed
Memory modules per
Memory modules perMemory modules per
Memory modules per
channel
channelchannel
channel
QR
QRQR
QR
SR or DR
SR or DRSR or DR
SR or DR
Memory module
Memory moduleMemory module
Memory module
native speed
native speednative speed
native speed
Memory bus speed
Memory bus speedMemory bus speed
Memory bus speed
(standard-voltage
(standard-voltage(standard-voltage
(standard-voltage
memory module)
memory module)memory module)
memory module)
Memory bus speed
Memory bus speedMemory bus speed
Memory bus speed
(low-voltage memory
(low-voltage memory(low-voltage memory
(low-voltage memory
module)
module)module)
module)
1
-
1
*
SR 1333 MHz
DR 1333 MHz
DR 1066 MHz
1333 MHz 1333 MHz
1 1
-
QR 1066 MHz
1066 MHz 1066 MHz
2
-
2
*
SR 1333 MHz
DR 1333 MHz
DR 1066 MHz
1333 MHz 1333 MHz
2 1 1
SR 1333 MHz
DR 1333 MHz
DR 1066 MHz
QR 1066 MHz
800 MHz 800 MHz
3
-
3 SR
SR 1333 MHz
1066 MHz 1066 MHz
3
-
3 DR
DR 1333 MHz
DR 1066 MHz
1066 MHz
800 MHz
3
-
3 mixed
SR 1333 MHz
DR 1333 MHz
DR 1066 MHz
1066 MHz
800 MHz
3 1 2
SR 1333 MHz
DR 1333 MHz
DR 1066 MHz
QR 1066 MHz
800 MHz 667 MHz
*These are the only configurations supported by UDIMMs. All configurations listed in this table are supported by RDIMMs.
This table is for reference only.
800 MHz
800 MHz800 MHz
800 MHz
-The memory bus speed is set to 800 MHz regardless of the quantity of memory modules installed, unless the
table above reflects a slower memory bus speed.
NOTE:
NOTE:NOTE:
NOTE:
There may be more than one memory bus speed menu option.
NOTE:
NOTE:NOTE:
NOTE:
LVDIMM support is dependent on the ROM version
Memory Installation Examples
Memory Installation ExamplesMemory Installation Examples
Memory Installation Examples
QuickSpecs
HP ProLiant DL385 Generation 7 (G7)
HP ProLiant DL385 Generation 7 (G7)HP ProLiant DL385 Generation 7 (G7)
HP ProLiant DL385 Generation 7 (G7)
Memory
DA - 13594 Worldwide — Version 3 — May 7, 2010
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