DDR SYNCH DRAM NON-ECC MEMORY
DDR SYNCH DRAM NON-ECC MEMORYDDR SYNCH DRAM NON-ECC MEMORY
DDR SYNCH DRAM NON-ECC MEMORY
The Intel G31 Express chipset supports non-ECC DDR2 memory up to PC2-6400 (800-MHz). Memory upgrades are accomplished
by adding single or dual DIMMs of the same or varied sizes. This chart does not represent all possible memory configurations.
CAUTION:
CAUTION: CAUTION:
CAUTION:
You must shut down the computer
and disconnect the power cord
and disconnect the power cordand disconnect the power cord
and disconnect the power cord
before adding or removing memory modules.
Regardless of the power-on state, voltage is always supplied to the memory modules as long as the computer is plugged in to an
active AC outlet. Adding or removing memory modules while voltage is present may cause irreparable damage to the memory
modules or system board.
HP recommends dual-channel symmetric configurations for maximum performance
HP recommends dual-channel symmetric configurations for maximum performanceHP recommends dual-channel symmetric configurations for maximum performance
HP recommends dual-channel symmetric configurations for maximum performance
.
For best performance, add the same amount of total memory to each channel and do not mix speeds. For dual-channel symmetric
performance, the total amount of memory in each channel must be equal. If speeds are mixed, speed will default to the slowest
DIMM.
STANDARD MEMORY
STANDARD MEMORYSTANDARD MEMORY
STANDARD MEMORY
1-GB, 2-GB, or 4-GB DDR2 SYNCH DRAM
OPTIONAL MEMORY UPGRADES
OPTIONAL MEMORY UPGRADESOPTIONAL MEMORY UPGRADES
OPTIONAL MEMORY UPGRADES
Supports up to 4 GB of DDR2 SYNCH DRAM. Not all memory configurations possible are represented below.
NOTE:
NOTE: NOTE:
NOTE:
For systems configured with more than 3 GB of memory and a 32-bit operating system, all memory may not be available
due to system resource requirements. Addressing memory above 4 GB requires a 64-bit operating system.
DIMM Size
DIMM SizeDIMM Size
DIMM Size
Slot 1
Slot 1Slot 1
Slot 1 Slot 2
Slot 2Slot 2
Slot 2
1-GB 1-GB
2-GB (dual-channel symmetric)
1-GB 1-GB
3-GB 2-GB 1-GB
4-GB (dual-channel symmetric)
2-GB 2-GB
QuickSpecs
HP Compaq dx2420 Microtower Business PC
HP Compaq dx2420 Microtower Business PCHP Compaq dx2420 Microtower Business PC
HP Compaq dx2420 Microtower Business PC
Memory
DA - 13293 EMEA — Version 6 — November 19, 2009
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