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Memory Upgrade for HP Pavilion dv4-2145dx Entertainment Notebook

HP Pavilion dv4-2145dx Entertainment Notebook memory upgrade specification, Pavilion dv4-2145dx Entertainment Notebook maximum memory, memory speed, and memory upgrade options.

Upgrade memory on HP Pavilion dv4-2145dx Entertainment Notebook upto a maximum of 8 GB
DDR2 800Mhz PC2-6400 SODIMM, with maximum 4GB per slot in 2 Sockets memory slots. The HP Pavilion dv4-2145dx Entertainment Notebook takes the DDR2 800Mhz PC2-6400 SODIMM Memory Type.

HP Pavilion dv4-2145dx Entertainment Notebook Memory Upgrade Specification
Standard Memory Maximum Memory Memory Expansion CPU Type Model/Chipset
4 GB (Removable) 8 GB
DDR2 800Mhz PC2-6400 SODIMM
2 Sockets 2.3GHz VISION Technology Premium from AMD with AMD Turion II Dual-Core Mobile Processor M520
 

HP Pavilion dv4-2145dx Entertainment Notebook Memory Upgrade options.

What are memory sockets or slots and how are these divided into bank?

 

Memory Sockets or Slots are the place where memory RAM modules are inserted in the motherboard. The HP Pavilion dv4-2145dx Entertainment Notebook has 2 Sockets memory expansion slots. A memory bank is a group of memory expansion sockets, a bank must be completely filled with memory modules of the same size and type in order for the system to recognize and address the memory. i.e. :

2 sockets (2 banks of 1) This indicates that there are 2 memory slots. These are divided into 2 banks, and each bank consists of one memory slot. So you can add memory one piece at a time for the system to use.

3 sockets (3 banks of 1) This indicates that there are 3 memory slots. These are divided into 3 banks, and each bank consists of one memory slot. So you can add memory one piece at a time for the system to use.

4 sockets (2 banks of 2) This indicates that there are 4 memory slots. These are divided into 2 banks, and each bank consists of two memory slots. So you must add memory two pieces at a time (they must be the same size and type of memory) in order for the system to benefit from the upgrade.

8 sockets (4 banks of 2) This indicates that there are 8 memory slots. These are divided into 4 banks, and each bank consists of two memory slots. So you must add memory two pieces at a time (they must be the same size and type of memory) in order for the system to benefit from the upgrade.

12 sockets (3 banks of 4) This indicates that there are 12 memory slots. These are divided into 3 banks, and each bank consists of four memory slots. So you must add memory four pieces at a time (and they must be the same size and type of memory) in order for the system to benefit from the upgrade.