Identifying RAM modules, RAM chip part numbers DDR SDRAM memory How to identify the size of RAM modules? It is possible to identify the chips by part number.
You have to identify the size of each the chips on a module, and then multiply the size by the number of chips on the module to determine its memory capacity. Different RAM manufacturers have developed their own methods of identification, so it is has become difficult to identify the chips without looking up the exact part number on a website that provides the information. Unless they have been remarked by unscrupulous dealers that are selling substandard modules not passed for use in a computer as computer-quality, all of the chips on a particular module will have the manufacturer's name (or logo), and a part number printed on them. For example, a 30-pin SIMM module with nine chips on the module, could have the part number - KM41C4000AJ-8. Drop the AJ-8 (the first letter is usually the quality - A, B, C, etc.), then use KM41C4000 to conduct a Google search.
You should be provided with links to many sites that provide information about part numbers. One of them is The KM indicates parts made by Samsung. The 41 indicates that it is a 1Mbit x 4 part. This means that the chip holds 4Mbits. Eight of the nine chips hold memory, so this is a 8 x 4Mbit, or 32Mbit module. There are eight bits to a byte, therefore this is an 4MB module. The ninth chip is there to add parity.
This was used as a means of checking for memory errors that is no longer used. You can use some of the easy tools to find your exact DDR or DDR2 Memory Upgrades for your Desktop, Laptop or Servers. Use the Memory Selector to find compatible DDR or DDR2 Memory Upgrades, or the all new system scanner tool to scan your system to find exact matching DDR RAM. If you need more help use the Live Chat Support Tools for selecting exact DDR RAM Memory Upgrades Select your system to upgrade Scan your system to find exact RAM Need Help on DDR Memory Upgrade? S elect System High-Speed Best Price DDR3 Memory Upgrades DDR Memory RAM DDR SDRAM for desktop computers DIMMs have 184 pins (as opposed to 168 pins on SDRAM, or 240 pins on DDR2 SDRAM), and can be differentiated from SDRAM DIMMs by the number of notches (DDR SDRAM has one, SDRAM has two). Detective conan anime. DDR for notebook computers SO-DIMMs have 200 pins which is the same number of pins as DDR2 SO-DIMMs.
(SSD) (Cruzer) (MSPD) Serial Number The following devices are serialized. Serial Number is required for product registration. (SSD) (160MB/s only) Product Code The product code is located on the back or the side of the USB Flash Drive.
The product code is located on the bottom side of the CompactFlash card. The product code is located on the back of the SD card. Standard microSD - the product code is located on the front of a Standard microSD card. Ultra, Extreme, Extreme PLUS, Extreme PRO and Pixtor - the product code is located on the back of the card. Microsd-ultra-xtreme-b SanDisk Wireless Media Drive SanDisk Wireless Flash Drive The product code is located on the back of the MSPD card., Clip Sport Plus, Clip Voice.
DRAM Modules Warranty sticker on the main body surface of the product. Example for Serial No.: 1D External HDD Warranty sticker on the main body surface of the product.
Example for Serial No.: 1E Solid State Drives Warranty sticker on the main body surface of the product. Example for Serial No.: 1C / 2C USB Flash Drives Warranty sticker on the main body surface of the product. Example for Serial No.: 11000000 0A Memory Cards Warranty sticker on the main body surface of the product. Example for Serial No.: G32G 12047109 2A Mobile Accessories Warranty sticker on the main body surface of the product. Example for Serial No.: 4D.
A bit more work was involved. I've used deviceIOControl quite alot from vb.net, so I figured I could get this going. Google didn't turn up any working.Net code. Anyhoo, I think I have it working, someone who knows about these things can check it and tell me I'm doing it all wrong. The main problem I had was getting the device name for the SD Card to pass to CreateFile. I've fudged it by reading all the valid ones from the registry. It also gets CF cards and god knows what else, which don't store serial nos and manufacturer ids.
So if someone knows how to enumerate SD Cards and get thier device name (DSK1: etc) it would be great. Edit, found, so the getdisks thing is overloaded now. I don't know how useful this is though, it dosn't sound like it is a unique id. Public Class Form1 Private label1 As New Label Sub New ' This call is required by the Windows Form Designer.
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InitializeComponent ' Add any initialization after the InitializeComponent call. Please note the above code does not read the hardware serial number from the CID register of the card. Instead it reads a temporary serial number created by windows - not what people are looking for. IOCTLDISKGETSTORAGEID is not the way to go. Instead you can from the simplified SD Spec.
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This will only work for cards plugged in to a reader connected directly to the PCI bus - it won't work with any USB card reader. It also depends on the SD Bus host driver playing ball and dealing with the request correctly.
Ram Serial Number 8337aa6c
Also there seems to be some problem in Vista, with two hotfixes available for this particular command (kb 970 ). So, not too useful either I'm afraid. For usb readers people have said to use techniques like, but this gets a different number (and it gets the same number no matter which SD card you plug in). Presumably it is reading the serial number of the USB host controller.
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Sorry for the gravedig, I can't edit my post as it is way over the max number of characters.
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