Upgrading Computer RAM
Upgrading Computer RAM
When looking to upgrade your computer’s RAM, you will find RAM information typically displayed like this:
  | 1GB, 240-pin DIMM, DDR2 PC2-5300,  |
- 1GB refers to the size of the memory
- 240-pin refers to the number of pins used to connect to the motherboard
- DIMM- Dual In-line Memory Module
- SIMM- Single In-line Memory Module
- DDR2 refers to the type of memory
- PC2-5300 refers to the module type
Some other pieces of information you might find in a RAM description are:
- Clock frequency-refers to speed of the RAM in MHz (800MHz)
- CAS (Column Address Strobe) Latency-refers to the number of clock cycles that elapse from the time the request for data is sent to the actual memory location until the data is transmitted from the module. This is represented by a set of 4 numbers also known as RAM timing (4-4-4-12). These numbers stand for:
- TCL - CAS Latency Time
- Trcd - DRAM RAS# to CAS# Delay
- Trp - DRAM RAS# Precharge
- Tras - Precharge delay
Normally the BIOS will allow a user to adjust RAM timing to increase performance and stability.
Computer RAM
RAM is considered the most critical component in a computer system. Every bit of data must pass through RAM to get to the processor. Generic, low-cost RAM is most often the cause of data corruption and program crashes, so never skimp on the quality of RAM when upgrading. Make sure the RAM you choose is considered Grade A. Grade A RAM can only be found through major manufacturers, such as: Crucial.co
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