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My mobo has 4 memory card slots

How do i install two different sets of memory cards on my motherboard

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  • Computers & ... Master
  • 5,059 Answers

1) All of your memory must be compatible with your motherboard (DDR, DDR2, or DDR3 and speed and latency). For best results, if you have dual channel capability, each pair of memory sticks should be matched. (Usually consecutive serial numbers indicate pairs from a given manufacturer.) Both sets of memory should be rated at the same speed (or the slowest speed will be your memory speed). Some motherboards may not work with all 4 slots occupied unless the memory was certified to work as a set of 4.

2) Which motherboard do you have? The motherboard manufacturer and memory companies often will have lists of compatible memory. The motherboard manufacturer will also have information on the dual-channel pairing.

My current and previous motherboards have had memory slots in color pairs (blue, black). For my boards, I put the sticks in the blue slots (A2 and B2) first. (Preferably these should be the largest memory capacity.) Then I put the second pair of memory into the black slots (A1 and B1). DIMM slot A1 is closest to the CPU; B2 is the farthest away from the CPU.

Depending on your CPU cooler, you may need to remove it or modify it to use all 4 DIMM slots.

Observe the appropriate steps to avoid static discharges while handling your memory and when inside your computer. For actually inserting the memory, make sure that the locks (white on my motherboards) are fully open (hinged away from the slot). Line up your memory so that the slot in the memory is on top of the key in the slot and the memory is centered in the slot. It will only line up one way; the wrong memory type will not line up. Push your memory stick down fully until the locking clips rotate up and fully engage the memory. (You may need to push down at multiple places to get it fully seated.) You will then repeat the procedure with the rest of the memory.

Note: if you get a memory error, three beeps (on many boards), you will need to remove the memory and test one stick at a time in the A2 slot (for example). Then test pairs of slots. It is not unknown for either one stick to be bad or one slot to be bad. Look at the total memory your OS identifies, if you manage to boot in spite of any issues. Running Memtest may be needed but even that may not identify which specific memory segment is bad.

I hope this helps.

Cindy Wells
(who has installed or replaced memory since giving an 286 computer a full megabyte of memory. DIMMs are a lot harder to mess up as long as you have the correct memory. Note: most of the different DIMM types have different number of pins; thus sometimes it's very easy to tell that the wrong memory is being used. This isn't always the case.)

Posted on Dec 05, 2012

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melnavz
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SOURCE: gateway sb-4100-b won't recognize new memory

REmove all the old memory and replace it by a new memory, you should test memory 1 by 1 .

first install the 1 memory in the first slot. then boot the computer using only 512mb. if this successful. shutdown and insert the second memory, then test again.

note: memory should be:

1. DDR SDRAM
2. the two 512 should be the same brand.

Posted on Dec 28, 2007

map9966
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SOURCE: imstalling internal card reader

Hi jmarie, If you have the standared Dimension 3100 it did not come with a floppy drive. If so you can buy a Sabrent Internal 64-in-1 Multi Flash Media Card Reader - USB 2.0, Black, 3.5", Self Powered, SDHC Support, Vista ready reader that fits in your emty floppy drive. http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1871218&CatId=962
Your dell does not have a free 5-pin male USB connector on the motherboard. So you'll also need a Sabrent SBT-FWPH USB 2.0/Firewire 1394 8 Ports PCI Card Internal Combo Hub.
Included, Free Standard Shipping. Here: http://www.meritline.com/3-port-firewire-5-port-usb-2-0-combo-pci-card.html
The card reader will plug into the internal USB 2.0 Sabrent. You will gain four USB plugs & two 1394 plugs. Once you see the pictures you will understand. Bottom line everything will be inside the PC.
Or you can use the external as computafixa suggested for half the cost. Click the link to see:
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3603298&body=MAIN#detailspecs
It's up too you jmarie!

Posted on Feb 23, 2008

egadgetguy
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SOURCE: Have a dell Inspiron 1525

the MS pro may need an adapter if it's the mini kind. then that will plug into that slot. it still won't fit the same way as the SD card, so insert it carefully. there should be an indented area for the MSP card to insert.

Posted on Aug 18, 2008

Shdak
  • 23 Answers

SOURCE: I have an HP Pavilion 752n Win XP SP3 with ASUSTeK

The motherboard can support 1GB of memory, Window XP can manage up to 2GB fairly good maybe more with other setting applied. I would recommend using two 512 memory chips to fill the slots to prevent any memory conflict issues.

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Posted on Apr 08, 2009

  • 202 Answers

SOURCE: Total amount of RAM not recognized by computer

are the modules the same specs? you may have some incompatibality between them. the board may be reading the ram right it may be you have four 256 sticks instead of 2 of each. read the motherboard manual it might shed some light here.

Posted on Jul 13, 2009

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