Presario 1075
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What is the difference between 2-clock and 4-clock memory? Two types of SDRAM modules are the 2-clock and the 4-clock module. Structurally, they are the same, but they are accessed differently. A 2-clock SDRAM module is set up so that each clock cycle accesses two chips on the module. A 4-clock SDRAM setup accesses 4 chips per clock cycle. To choose what kind to get, you must look into the motherboard''s documentation. 4-clock modules are the more commonly used. The typical indication of the wrong type being used is a system giving error beeps and not booting as it cannot use the memory installed. The system will not proceed past POST (Power On Self Test). 2-clock was only used in 66 MHz systems. All PC 100 and PC 133 memory is 4-clock only. Do all of your SDRAM modules use SPD? SPD, or Serial Presence Detect, is a program in an EEPROM chip on the modules of SDRAM (Synchronous Dynamic Random Access Memory). It tells the system’s BIOS what the specifications and settings of the memory module are. All of our SDRAM DIMMs have SPD programming. The system BIOS should therefore be set on AutoDetection for memory.
What is These are common Bus speeds used in today''s PC''s. runs at 66 MHz, the clock speed of the bus between the CPU and the memory , or Front-Side Bus as it is called. is a faster main memory bus, transferring data at 100MHz. Up until recently, the fastest common PC bus speed has been 66MHz, so PC-100 represents about a 50% theoretical improvement in speed. Tests have shown a typical speed increase of over 20%. PC-133 runs at the bus speed of 133MHz giving an even more pronounced increase in speed. why did my computer slow down after I installed more RAM? In most cases additional RAM improves system performance. However, there are a few rare times when additional RAM actually makes the system slower. The most common reason for the problem is that the system doesn''t have enough cache to handle the addressing for the additional RAM. If this is your case, the only solution is to upgrade your system or motherboard, as cache cannot be upgraded.
Click here - Are you in search for more ram for your computer? Visit the web's largest online source for computer memory online. No matter what type of computer you have, we can help you find memory and learn to install it.
Presario 1075
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