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motherboard odd memory address layout

motherboard odd memory address layout

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kaden500
Member
57
03-27-2021, 09:17 AM
#1
The motherboard layout shows the RAM slots in a specific order, starting from the CPU. The numbers indicate the position of each slot from the CPU side. It seems the slots are numbered differently depending on how you count them—some lists start at 4 and go down, while others begin at 1. The dual channel configuration means you can place RAM sticks in pairs from different slots, which helps improve performance. The dual channel slots are positioned close together on the motherboard. This setup is designed to maximize bandwidth when using two RAM sticks.
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kaden500
03-27-2021, 09:17 AM #1

The motherboard layout shows the RAM slots in a specific order, starting from the CPU. The numbers indicate the position of each slot from the CPU side. It seems the slots are numbered differently depending on how you count them—some lists start at 4 and go down, while others begin at 1. The dual channel configuration means you can place RAM sticks in pairs from different slots, which helps improve performance. The dual channel slots are positioned close together on the motherboard. This setup is designed to maximize bandwidth when using two RAM sticks.

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Vukmil
Member
94
03-27-2021, 01:36 PM
#2
They listed the sequence for placing the RAM in the slots. For pairs, use 1 and 2; if you have one stick, pick slot 1. That makes sense because 4 and 2 belong to channel B, while 1 and 3 are in channel A. I’m sure the manual clarifies which slots correspond to each channel.
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Vukmil
03-27-2021, 01:36 PM #2

They listed the sequence for placing the RAM in the slots. For pairs, use 1 and 2; if you have one stick, pick slot 1. That makes sense because 4 and 2 belong to channel B, while 1 and 3 are in channel A. I’m sure the manual clarifies which slots correspond to each channel.

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Kaldeo
Member
226
03-28-2021, 10:09 AM
#3
It makes sense why it's structured that way, though I don't remember the exact reason. Running traces in a different order could be simpler—1, 2, 3, 4. But someone probably wanted a more appealing layout with spaced RAM. @IkeaGnome is right.
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Kaldeo
03-28-2021, 10:09 AM #3

It makes sense why it's structured that way, though I don't remember the exact reason. Running traces in a different order could be simpler—1, 2, 3, 4. But someone probably wanted a more appealing layout with spaced RAM. @IkeaGnome is right.

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BadMemory
Member
206
03-28-2021, 06:39 PM
#4
Mainly concerns delay between memory modules on the same lane. Higher delay means poorer compatibility and reduced performance. Typically, systems use a daisy chain layout. Most boards feature channels A and B in reverse order compared to other models.
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BadMemory
03-28-2021, 06:39 PM #4

Mainly concerns delay between memory modules on the same lane. Higher delay means poorer compatibility and reduced performance. Typically, systems use a daisy chain layout. Most boards feature channels A and B in reverse order compared to other models.

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Magnola
Junior Member
34
04-04-2021, 09:27 AM
#5
For a dual channel setup, place the first two slots as intended instead of the usual positions.
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Magnola
04-04-2021, 09:27 AM #5

For a dual channel setup, place the first two slots as intended instead of the usual positions.

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Craftery
Member
207
04-07-2021, 12:16 AM
#6
The sections marked as 1 and 2 on the motherboard.
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Craftery
04-07-2021, 12:16 AM #6

The sections marked as 1 and 2 on the motherboard.

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I_Apollyon_I
Junior Member
46
04-07-2021, 02:45 AM
#7
The daily chain diagram needs adjustment. It should start at the nearest slot, then proceed to the next. The second slot is chosen instead of the first due to an incomplete wire at the end of the memory trace, which affects signal integrity by acting somewhat like an antenna. In reality, it should resemble this:
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I_Apollyon_I
04-07-2021, 02:45 AM #7

The daily chain diagram needs adjustment. It should start at the nearest slot, then proceed to the next. The second slot is chosen instead of the first due to an incomplete wire at the end of the memory trace, which affects signal integrity by acting somewhat like an antenna. In reality, it should resemble this:

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coolman9222
Posting Freak
754
04-07-2021, 03:12 AM
#8
At the start and in the table, it indicates you need to place 4 with 2 and 1 with 3, but below at point no. 2 it says to put 1 and 2. This is confusing because it seems contradictory. You should figure out the correct order to achieve a dual channel setup, which can be tricky. Why does it feel complicated?
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coolman9222
04-07-2021, 03:12 AM #8

At the start and in the table, it indicates you need to place 4 with 2 and 1 with 3, but below at point no. 2 it says to put 1 and 2. This is confusing because it seems contradictory. You should figure out the correct order to achieve a dual channel setup, which can be tricky. Why does it feel complicated?

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Baallog
Member
189
04-07-2021, 03:44 AM
#9
Yes, you can avoid extending a trace by moving a slot closer without increasing latency.
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Baallog
04-07-2021, 03:44 AM #9

Yes, you can avoid extending a trace by moving a slot closer without increasing latency.

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Justinian911
Junior Member
17
04-07-2021, 10:10 AM
#10
Channel A handles 4 and 2, Channel B manages 1 and 3. Placing the RAM in 4 and 2 activates Channel A as a single channel. For dual channel, you'll need one RAM in each channel.
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Justinian911
04-07-2021, 10:10 AM #10

Channel A handles 4 and 2, Channel B manages 1 and 3. Placing the RAM in 4 and 2 activates Channel A as a single channel. For dual channel, you'll need one RAM in each channel.