> Dell Memory > Dell Precision Mobile Workstation Laptop Memory

Memory Upgrade for Dell Precision Mobile Workstation M90

Dell Precision Mobile Workstation M90 memory upgrade specification, Precision Mobile Workstation M90 maximum memory, memory speed, and memory upgrade options.

Upgrade memory on Dell Precision Mobile Workstation M90 upto a maximum of 4.0 GB
PC2-4200/5300 DDR2 SDRAM SODIMMs. Supports Dual Channel DDR2., with maximum 2GB per slot in 2 memory slots. The Dell Precision Mobile Workstation M90 takes the PC2-4200/5300 DDR2 SDRAM SODIMMs. Supports Dual Channel DDR2. Memory Type.

Dell Precision Mobile Workstation M90 Memory Upgrade Specification
Standard Memory Maximum Memory Memory Expansion CPU Type Model/Chipset
256 MB (removable) 4.0 GB
PC2-4200/5300 DDR2 SDRAM SODIMMs. Supports Dual Channel DDR2.
2 sockets Intel Core Solo or Duo 667MHz FSB, Intel 945PM Express Chipset.
 

Dell Precision Mobile Workstation M90 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 Dell Precision Mobile Workstation M90 has 2 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.