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Chapter 2: Hardware informationChapter 2: Hardware information
Chapter 2: Hardware informationChapter 2: Hardware information
Chapter 2: Hardware information
2.4.22.4.2
2.4.22.4.2
2.4.2
Memory configurationsMemory configurations
Memory configurationsMemory configurations
Memory configurations
You may install 256 MB, 512 MB, 1 GB, and 2 GB unbuffered ECC/non-ECC
DDR2 DIMMs into the DIMM sockets.
• For dual-channel configuration, the total size of memory module(s)
installed per channel must be the same (DIMM_A1+ DIMM_B1 =
DIMM_A2+ DIMM_B2)
• Always install DIMMs with the same CAS latency. For optimum
compatibility, we recommend that you obtain memory modules from
the same vendor. Refer to the DDR2 Qualified Vendors List below for
details.
• Due to chipset resource allocation, the system may detect less than
8 GB system memory when you installed four 2 GB DDR2 memory
modules.
Recommended memory configurationsRecommended memory configurations
Recommended memory configurationsRecommended memory configurations
Recommended memory configurations
SocketsSockets
SocketsSockets
Sockets
ModeMode
ModeMode
Mode
DIMM_A1 DIMM_A1
DIMM_A1 DIMM_A1
DIMM_A1
DIMM_B1DIMM_B1
DIMM_B1DIMM_B1
DIMM_B1
DIMM_A2DIMM_A2
DIMM_A2DIMM_A2
DIMM_A2
DIMM_B2DIMM_B2
DIMM_B2DIMM_B2
DIMM_B2
Single-channel – Populated – –
Populated – – –
Dual-channel(1)* Populated Populated – –
Dual-channel(2)** Populated Populated Populated Populated
* Use only identical DDR2 DIMM pairs.* Use only identical DDR2 DIMM pairs.
* Use only identical DDR2 DIMM pairs.* Use only identical DDR2 DIMM pairs.
* Use only identical DDR2 DIMM pairs.
**For dual-channel configuration (2), you may:**For dual-channel configuration (2), you may:
**For dual-channel configuration (2), you may:**For dual-channel configuration (2), you may:
**For dual-channel configuration (2), you may:
•
install identical DIMMs in all four sockets
OROR
OROR
OR
•
install identical DIMM pair in DIMM_A1 and DIMM_B1 (yellow sockets) and
another identical DIMM pair in DIMM_A2 and DIMM_B2 (black sockets)