A dual inline memory module (DIMM) consists of a number of memory components (usually black) that are attached to a printed circuit board (usually green). The gold pins on the bottom of the DIMM provide a connection between the module and a socket on a larger printed circuit board. The pins on the front and back of a DIMM are not connected to each other.
184-pin DIMMs are used to provide DDR SDRAM memory for desktop computers. Standard 184-pin DIMMs are available in PC1600 DDR SDRAM, PC2100 DDR SDRAM, PC2700 DDR SDRAM, and PC3200 DDR SDRAM.
To use DDR memory, your system motherboard must have 184-pin DIMM slots and a DDR-enabled chipset. A DDR SDRAM DIMM will not fit into a standard SDRAM DIMM socket. (Information about which memory technology your system uses is included in the Crucial Memory Advisor™ tool.)
The number of black components on a 184-pin DIMM can vary, but it always has 92 pins on the front and 92 pins on the back, for a total of 184. 184-pin DIMMs are approximately 5.25 inches long and 1.25 inches high, though the heights can vary. While 184-pin DIMMs and 168-pin DIMMs are approximately the same size, 184-pin DIMMs have only one notch within the row of pins.
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Q:Can you advise if these modules are high or low density?
A:That module is low density (16 chips).
I just got a new Crucial ct102464ba160b http://www.crucial.com/usa/en/ct102464ba160b
based on the suggestion here http://n40l.wikia.com/wiki/Memory that it is compatible with
HP Microserver N54L
My system runs fine the the original 2GB HP memory but when I put the Crucial stick in
it doesn't POST (can't see anything on the screen at all).
How do I check whether the RAM is not compatible or it's simply a DOA?
I ran the scan, it takes me to this page,
CT3694396 - 8GB DDR3 PC3-12800 Unbuffered NON-ECC 1.5V 1024Meg x 64
I have 2x Crucial DDR4's CT8G4DFD8213 in an Asus X99 Deluxe mother board with a Intel 5820K. System boots fine but only shows 8gb of memory in the POST and in BIOS only shows 8gb in DIMM_D1
I have the other 8gb in DIMM_B1 which is the reconmmend configuration for two DIMM's.
I have tried each DIMM in DIMM_D1 to confirm the memory is OK, which it is.
I also updated the BIOS reversion after my troubles to the latest version 904 though I didn't think it would really do anything as the change logs for the BIOS update seem to address other issues and not memory issues.
So I think this memory is maybe not compatible with the new Asus X99 Deluxe mother boards.
I am sorry for the issues that you are experiencing with your memory modules. I pulled up your system and it appears that these memory modules are compatible with your system. At this point I would test each stick individually to see if it just one defective stick. You may even try running each stick individually in the system to see if the error occurs. Please contact us directly, using the information in my signature, if you are still experiencing issues.