kingston kvr800d2e6/2g datasheet

kingston kvr800d2e6/2g datasheet
Post Date:2024-10-24,

kingston kvr800d2e6/2g datasheet

Model: KVR800D2E6/2G
‌Memory type: ECC DDR2
‌Memory capacity: 2GB
‌Operating frequency: 800MHz (equivalent to PC2-6400)
‌Number of pins: 240PIN
‌Default operating voltage: 1.8V
‌CL delay: 6
‌Package: FBGA
‌Applicable type: Server

Application of kingston kvr800d2e6/2g


‌Server memory: Kingston KVR800D2E6/2G memory bar is particularly suitable for servers, which can provide stable data processing capabilities and ensure the efficient operation of servers.
‌Desktop memory: This memory bar is also suitable for desktop computers, which can improve the overall performance of the computer and meet the needs of daily office, games, multimedia processing, etc.

What is memory? 

Memory is an important part of the computer, also known as internal memory and main memory. It is used to temporarily store the calculation data in the CPU and the data exchanged with external memory such as the hard disk. It is a bridge for the external memory to communicate with the CPU. All programs in the computer are run in the memory. The strength of the memory performance affects the overall performance of the computer. The main components of the memory include memory chips, circuit boards, and gold fingers. The memory bar consists of these parts, which can quickly store and read a large number of programs and data codes, and provide the computer with the required working instructions and data for calculation. The specific types of memory include random access memory (RAM), which is divided into static memory (SRAM) and dynamic memory (DRAM). Static memory is used for the system's high-speed cache, while dynamic memory is what we usually call computer memory. Working principle of memory The memory bar is a computer component that the CPU can address through the bus and perform read and write operations. In the history of personal computers, the memory bar was once an extension of the main memory. With the continuous updating of computer software and hardware technology, the memory bar has become the whole of read and write memory. The size of computer memory (RAM) that we usually refer to is the total capacity of the memory stick. Data written to RAM (read-write memory, i.e. memory stick) will completely disappear after power failure. When the computer is turned on, the earliest program data read and executed by the CPU comes from ROM (read-only memory). Memory is the basic component of computers (including single-chip microcomputers), and memory has existed since the day computers were invented. External memory belongs to computer peripherals, and hard disks are external memory developed after the tape and floppy disk stages. Memory is an indispensable component of computers, and the CPU can address memory through the data bus. In history, there was main memory on the computer motherboard, and the memory stick was an extension of the main memory. There is no main memory on the computer motherboard in the future, and the CPU relies entirely on the memory stick. All the contents on the external memory must be passed through the memory to function.


‌Read data‌:
The CPU sends a 31-bit address code to the memory. The first 5 bits are used to find the library where the data is located, the next 16 bits are used to find the row where the data is located, and the last 10 bits are used to find the column where the data is located.
After the search is completed, turn off the voltage of all word lines in the library, isolate all capacitors, and charge all bit lines to 0.5 volts.
Use the sense amplifier to detect the voltage change of the bit line, increase the voltage of the bit line to 1V or reduce it to 0V, and read the data stored in the capacitor.

‌Write data‌:
Send the 31-bit address code and the data to be written to the memory, select the library to which the data is to be written, turn off the word line voltage, isolate the capacitor, and charge the bit line to 0.5 volts.
Use the sense amplifier to drive the voltage to 0V or 1V, and then find the corresponding column through the ‌multiplexer to send 8 bits of data to the write driver.
The write driver overwrites the voltage on the bit line according to the written data, thereby writing the data into the capacitor.

FAQ about memory

Kingston KVR800D2N6/2G-SP is a few generations of
DDR2.
DDR2/DDR II (Double Data Rate 2) SDRAM is a new generation of memory technology standard developed by JEDEC (Joint Committee of Electronic Equipment Engineering). The biggest difference between it and the previous generation of DDR memory technology standard is.

Poor memory contact and unable to boot?
‌Phenomenon‌: The gold finger of the memory stick is poorly plated or frequently plugged and unplugged, causing the memory stick to oxidize and rust during use, and poor contact with the memory slot, resulting in the alarm not starting when the machine is turned on.
‌Reason‌: The gold finger of the memory stick is poorly plated or oxidized after long-term use.
‌Solution‌: Remove the memory stick and use an eraser to remove the rust on the gold finger. Be careful not to touch the gold finger directly with your hands to prevent static electricity from damaging the memory stick.

The gold finger of the memory stick is burned
‌Phenomenon‌: The memory stick is inserted reversely or not fully inserted into the slot during a long troubleshooting process, causing the gold finger to burn.
‌Reason‌: Improper operation or accidental overvoltage.
‌Solution‌: If the memory stick is inserted reversely and burned, but some pins are not damaged, it can usually still be used normally. If it is completely damaged, the memory stick needs to be replaced.

The power supply tube of the memory slot is broken down and damaged
‌Phenomenon‌: The memory is inserted reversely or not inserted in place, resulting in a power short circuit and a breakdown of the power supply adjustment tube.
‌Reason‌: The memory is inserted reversely or not inserted in place. ‌Solution‌: Replace the broken power regulator. If the power regulator is obviously burned, you need to remove the power regulator with similar current from other discarded motherboards for replacement.

Memory test failed
‌Phenomenon‌: The power-on self-test prompts "Memory Test Fail", indicating that the memory test failed.
‌Cause‌: Memory is incompatible or faulty.
‌Solution‌: Test the memory bars one by one, find the faulty memory bars and replace or repair them.

Long memory detection time
‌Phenomenon‌: The memory detection time is too long when booting.
‌Cause‌: The memory capacity is large and the self-test time is long.
‌Solution‌: Enter the BIOS settings and set "Quick Power On Self Test" to "Enabled" to reduce the self-test time ‌2.

Frequent "illegal operation" errors in Windows
‌Phenomenon‌: After optimizing the BIOS settings, "illegal operation" errors frequently occur in Windows.
‌Cause‌: Improper BIOS settings.
‌Solution‌: Enter the BIOS setup, set the "SDRAM Cycle Length" item to 3, change "Bank InterLeave" to "Disable", and then restart the machine‌.

High memory usage due to system services
‌Phenomenon‌: System services occupy a lot of memory.
‌Cause‌: Sysmain, Superfetch, Windows Update services, etc. occupy a lot of resources.
‌Solution‌: Turning off these services can reduce memory usage. Right-click "This Computer", select "Manage", find the relevant services in Services and Applications and disable them‌3.

High memory usage caused by drivers
‌Phenomenon‌: The driver occupies a lot of memory.
‌Cause‌: The driver is incompatible or outdated.
‌Solution‌: Use software such as "Driver Wizard" to update all drivers, or uninstall and reinstall the graphics card driver‌.

Insufficient or excessive virtual memory settings
‌Phenomenon‌: The system prompts that the virtual memory is insufficient or excessive.
‌Cause‌: Improper virtual memory settings.
‌Solution‌: Adjust the virtual memory settings in the system properties to ensure that the system has enough virtual memory space‌.

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