joe blo

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1 year ago

JB

joe blo

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February 22nd, 2025 19:01

ram install slots: which location?

which slots in the chart correlate to the DIMM # slot?

  • redxps630

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    Posted February 23rd, 2025 14:39

    Table 1. Memory configuration
    Tower 5810 Ch 0 Ch 1 Ch 2 Ch 3
    Total (GB) 0 1 0 1 0 1 0 1
    DIMM #1 #5 #2 #6 #3 #7 #4 #8
    4 4
    8 4 4
    16 4 4 4 4
    32 8 8 8 8
    32 4 4 4 4 4 4 4 4
    64 8 8 8 8 8 8 8 8
    128 16 16 16 16 16 16 16 16
    256 32 32 32 32 32 32 32 32
  • derickson2402

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    Posted April 30th, 2026 03:59

    One of my ram slots is damaged. While particular about balance, the 5810 will allow for a channel to go unused, as well as with mixed capacities.

    Known working config is such:

    Slot # —> Channel.slot—> Chip
    DIMM1 --> ch0.0—> 4g
    DIMM2 —> ch1.0 —> 4g
    DIMM3 —> ch2.0 —> EMPTY
    DIMM4 —> ch3.0 —> 8g
    DIMM5 —> ch0.1 —> 4g
    DIMM6 —> ch1.1 —> 4g
    DIMM7 —> ch2.1 —> EMPTY
    DIMM8 —> ch3.1 —> 8g

    With proper balance, 4g and 16g sticks can mix. I did not record the configuration that worked for me, but I believe 2x4g sticks in one channel and 1x16g in another, with a third wholly unpopulated channel. Also, balance across both sides of the CPU (odd vs even DIMMs) seemed to work best.

  • redxps630

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    Posted February 23rd, 2025 03:07

    it is  quad channel

    DIMM# are symmetrically assigned, like mirror image

    https://i.dell.com/sites/csdocuments/Shared-Content_data-Sheets_Documents/en/al/CSG-EN-XX-ALL-Dell-Precision-Tower-5810-spec-sheet.pdf

    mobo silkscreen

    DIMM2 white
    DIMM6 black
    DIMM4 white
    DIMM8 black

    CPU

    DIMM7 black
    DIMM3 white
    DIMM5 black
    DIMM1 white

    manual may have an error in notation

    "chassis" 1, 2, 3, 4 should be "channel" 1, 2, 3, 4

    (edited)

  • redxps630

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    Posted February 23rd, 2025 03:18

    1st column is total memory installed

    Table 1. Memory configuration
    Tower 5810 Ch 0 Ch 1 Ch 2 Ch 3
    Total (GB) 0 1 0 1 0 1 0 1
    4 4
    8 4 4
    16 4 4 4 4
    32 8 8 8 8
    32 4 4 4 4 4 4 4 4
    64 8 8 8 8 8 8 8 8
    128 16 16 16 16 16 16 16 16
    256 32 32 32 32 32 32 32 32

    DIMM convention:

    white slot is slot 1 of a memory channel.

    DIMM1 white: slot 1 of ch0

    DIMM2 white: slot 1 of ch1

    DIMM3 white: slot 1 of ch2

    DIMM4 white: slot 1 of ch3

    (edited)

  • redxps630

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    Posted February 23rd, 2025 03:23

    DIMM convention: 

    black slot is slot 2 of a memory channel

    DIMM5 black: slot 2 of ch0

    DIMM6 black: slot 2 of ch1

    DIMM7 black: slot 2 of ch2

    DIMM8 black: slot 2 of ch3

    (edited)

  • joe blo

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    Posted February 23rd, 2025 05:59

    no.. what im looking for (and the manual should have done it this way) is, 

    channel 0, sub 0 = DIMM #__

    channel 0, sub 1 = DIMM #__

    etc.. DIMM #'s on the chart.. this would be totally clear

  • joe blo

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    Posted February 23rd, 2025 15:39

    aarrgh.. i see my first reply did not go thru..

    which was thanx..

    and for this one.. thanx again..  

  • redxps630

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    Posted February 23rd, 2025 19:13

    yw.  I will let mod know and perhaps they can update the manual

  • Chino de Oro

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    Posted February 24th, 2025 04:53

    In the Precision 5810, support memory configurations can be installed as follow:

    1 stick of RAM, install to DIMM1

    2 sticks of RAM, install to DIMM1  +  DIMM2

    4 sticks of RAM, install to DIMM1  +  DIMM2  +  DIMM3  +  DIMM4

    8 sticks of RAM, install to all DIMM slots.

    System will support these sticks of RDIMM RAM:  4GB, 8GB, 16GB, and 32GB.

    DIMM slot numbering is imprinted on motherboard and electrical overview label on side panel.

    For some working unsupported memory configurations, install the extra stick(s) to the next numbering DIMM slot

  • Sachmalh

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    Posted June 26th, 2025 22:49

    So say I have 3 of 8gb sticks and like 8 of 4 gb, can i use the 8gb sticks like even 2 or is that a bad idea