Questions tagged [dual-channel]
related to Multi-channel memory architecture for computers
83
questions
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How does Multi-Channel increase memory performance?
I know that Dual Channel technology multiplies by two the number of buses that connect the memory modules with the memory controller, so that it goes from one 64-bit wide bus to two 64-bit wide buses.
...
0
votes
1
answer
140
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Where to put faulty RAM?
I have dual channel motherboard and two pairs of memory cards of which one of other pair is a bit faulty, one bit or something. I found out that I can disable Linux from using the bad RAM addresses, ...
0
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1
answer
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Dell PC won't boot with new RAM, unless it's paired with old RAM
I did a search but can't find this exact issue.
I bought 2 x 16GB of G.Skill RAM. Identical sticks, same timing as old ram.
Dell Inspiron 3891:
Will boot with factory ram, 8GB.
Will boot with some old ...
0
votes
0
answers
141
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Flex modes with 3 DIMMs - How it will be behave?
I have a situation where I need to insert additional RAM, so current setup (2x16GB) in Dual channel will be upgraded with additional 16GB RAM (same speed), but the need for more than original 32GB RAM ...
0
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1
answer
1k
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Can a single RAM module of a set of two dual-channel SODIMMs work without a counterpart?
My problem is that a Dell XPS 15 9570 laptop refuses to boot (memory detection error) when Kingston KF426S15IB1K2/32 modules are inserted.
In relation to this question it's been suggested to me ...
0
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0
answers
653
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asymmetrical dual channel setup
yesterday I won for free (which has yet to come):
16GB GOODRAM IRDM RGB Black Edition DDR4-3600 DIMM CL18 Dual Kit -> so 2x 8gb
And I wanted to upgrade my system with it, but since I have ...
0
votes
1
answer
6k
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Checking if RAM works in dual-channel mode on Linux
I bought a second SO-DIMM for my Dell Latitude 5420 and want to check if the RAM works in dual-channel mode now. Everyone suggests using dmidecode to figure this out, but my output differs from what ...
1
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1
answer
1k
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Having two 8GB ram and two 16gb ram, will it degrade noticeable performance?
Here's my memory details, I actually have two 8GB ram sticks, and two 16GB ram stick, I know how different ram modules disable something called dual-channel which degrades performance. Can someone ...
2
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0
answers
70
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How is my laptop ram running in dual channel? [duplicate]
I have an ASUS x555l laptop with intel core i5-5200u, geforce 840m and 6gb of ram.
I wanted to upgrade the ram so i did some research and found out that 4gb of ram is soldered to the motherboard and ...
0
votes
1
answer
2k
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Unbalanced ram size and dual channel
The more high-end laptop comes with soldered RAM + a ram slot which is populated.
The problem is that I'm looking at the new ROG Zephyrus 2021 and it comes in my region with max 16GB RAM, 8 soldered, ...
0
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1
answer
507
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Would there be any problems if I install an 8GB RAM stick to my desktop computer which has 4GB RAM installed?
I am going to purchase an 8GB 1333MHz DDR3 RAM stick for desktop computers, my computer supports dual channel, I will post my RAM specifications below, and I have observed a strange and interesting ...
0
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1
answer
257
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4 Memory Sticks on Dual Channel
I have an Asrock fatal1ty z170 gaming k6 motherboard, which has 4 memory slots but only supports dual channel, so from what I read if I use all four it won't run in quad-channel, but dual-channel ...
2
votes
3
answers
544
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Can I configure the RAM on my motherboard so 8GB RAM modules and 4GB RAM modules are mixed?
I have three RAM modules:
1x 8GB (Brand1 - 3000Mhz)
2x 4GB (Brand2 - 3000Mhz)
Here is my current configuration on ROG Crosshair VIII Hero motherboard:
A1: Empty
A2: 8GB
B1: Empty
B2: Empty
Can I ...
1
vote
2
answers
3k
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Single vs Dual channel RAM in laptop (will it improve performance)?
I have 2 RAM slots on my laptop. 1st slot already has a 4gb single-channel RAM. I want to put another 4gb RAM stick in 2nd slot. So if I put dual-channel RAM stick in 2nd slot, will it be worth the ...
3
votes
1
answer
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Can I install a module of 2666mhz RAM with a 3200mhz RAM as a dual channel in on a motherboard that supports 3200mhz
My laptop is an ASUS TUF Gaming A15 (506 II) with only 8GB of RAM 3200mhz DDR4 and I want to upgrade it to 16GB or 24GB but only there is 2666mhz RAM available in my country. Should I get 2666mhz RAM ...
1
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0
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Where are the actual bytes located within DIMM modules in dual or multi-channel mode? [duplicate]
I'm trying to find out how memory is arranged in dual channel mode, i.e. which memory addresses are on which DIMM. What I have currently found out is that there are two modes "ganged" and &...
0
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0
answers
202
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Machine stuck at POST 33h when memory modules installed as dual-channel
I just setup a new machine with the following (relevant) configuration:
CPU: Ryzen 9 3900X
MB: ASRockRack X470D4U (I aimed for its IPMI functionality - turned out to be super useful)
Memory: 2 pieces ...
1
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1
answer
1k
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My CPU memory speed reduces to 2400 when adding another module of 2666
I already have a RAM module which came with the actual laptop.
This was an 8GB module with clock speed of 2666.
I purchased one more of the same speed and capacit. This runs in dual channel mode but ...
0
votes
1
answer
899
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Quad Channel Memory Running Dual Channel Configuration
I have a ASRock x399 Fatal1ty Professional Gaming motherboard with a AMD 2950x Threadripper and 4x32gb Corsair Vengence 3600mhz DDR4 memory (all the same type/speed/etc). When I go into the bios, it ...
0
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1
answer
54
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Dual channel RAM for laptop
I need to upgrade my laptop's RAM to 8GB.It has a dual channel configuration as below:
hynix 4GB PC3L-12800 CL:11
hynix 2GB PC3L-12800 CL:11
Now i want to replace the 2GB RAM with a 4GB RAM.Specs ...
0
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1
answer
2k
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Does having different capacity RAM sticks reduce performance compared to 2 sticks of the same size?
I have an Acer A515-51G-58GJ notebook that comes with 4 gigs of RAM that's soldered on the motherboard (HWiNFO says it's a SK Hynix DDR4-2400 stick - HMA851S6AFR6N-UH).
I upgraded the RAM on this ...
1
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2
answers
2k
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How much faster is Dual Channel than Intel's Flex Memory Mode?
How much faster is a RAM configuration of sticks 8+8+4+4 than one of 8+8+8? I'm interested in delay and speed in MB/s.
2
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2
answers
2k
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DDR4 RAM not running in dual channel? [closed]
I recently upgraded my PC and swapped out my CPU/mobo/RAM in the process.
Now I have a
Ryzen 3 1300x processor,
MSI B350M GAMING PRO motherboard and
2x8GB G.SKILL Ripjaws V 2400Mhz RAM,
running ...
1
vote
1
answer
2k
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What is the correct dual channel configuration of Dell OptiPlex 5050 (Tower) motherboard
I am unable to find any useful manual for this motherboard online which tells me the correct dual channel DIMMs config for this motherboard.
Can anyone suggest me the correct DIMMs config?
4
votes
1
answer
3k
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Why and how is my memory running in dual-channel mode?
Some time ago I built a PC with 8 GB RAM (DDR4 2666MHz DIMMs) since I did not have enough money to go for a 16 GB kit.
Later, I realized 8 GB was holding me back from doing a couple of things and ...
0
votes
1
answer
952
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Only half of RAM is seen
I have two Crucial RAM sticks which I put in two slots which are supposed to work dual-channel. BIOS sees both of them, but in total is showing only half:
CPU-Z shows 8GB of RAM, but Windows 10 only ...
1
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0
answers
1k
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Can I dual boot two separate instances of Windows 10 pro?
I have two licences for W10 64 pro and I would like to dual boot them so that I have one fully updated internet-accessed side and one which is not on the net and has no updates installed. This would ...
1
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0
answers
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Dual Channel Memory configuration
I have a 880 Chipset socket AM3 motherboard with 4 RAM Slots. I am running Windows 7 32 bit. It’s clear from the manual that for dual channel memory operation, memory of same size, chip, brand and ...
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1
answer
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Z270X Ultra Gaming which dimm slots?
Picture:
So I don't know which slots to put my ram sticks? (2x8gb)
Please help.
BTW the picture is on a other motherboard bit the layout is the same!
3
votes
2
answers
12k
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Understanding dual-channel behaviour of RAM with three DIMMs
I have an Asus Maximus VIII Ranger motherboard, which has four RAM slots. The slot configuration is same as in this image:
Currently I have installed one stick of 8 GB capacity and 3000 MHz speed in ...
0
votes
2
answers
4k
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Mixing a 8gb ram with a 4gb ram? [duplicate]
I have a lenovo G40 80 latop with Intel i3 4005u processor and 4GB DDR33l 1600 RAM. I want to add some RAM for virtualization purposes so I am thinking to add a 8GB SoDIMM so that later I can add ...
6
votes
2
answers
16k
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Can't get dual-channel memory status from Linux -- why?
I have a slot A3+ motherboard (Gigabyte ATX GA990ZA-UD3-R5) with an AMD FX-8320E CPU and two 8Gb memory sticks (identical, bought together as a kit).
I followed the instructions on the manual and ...
0
votes
1
answer
2k
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Unequal size dual channel ram, and lower-than-expected frequency
I'm updating a Dell Inspiron N5030, and stumbled upon an odd situation. The laptop has 1 GB and 2 GB of DDR3 ram installed for a total of 3 GB, Dual Channel.
This is reported by both CPU-Z ("DC mode: ...
0
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1
answer
1k
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Is it Optimal to balance RAM across banks
It's well known that using matched pairs of RAM in a single bank with Dual Channel Architecture is optimal, both so that the two sticks have similar timings, equal capacity, etc.
But what about ...
1
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1
answer
212
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Dual Channel Mode(RAM)
My existing Build has 2 * 4GB RAM G.SKILL Ripjaws Series 8GB (2 x 4GB)
Processor : i5-4690
Motherboard : ASRock H97M Pro4
Currently my memory run's in Dual Channel mode. Am planning to upgrade my ...
0
votes
1
answer
140
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Customizing a L450 laptop: Isn't DIMM2 faster than SODIMM because of dual channel ? (screenshot)
here is the US versions:
SODIMM are smaller sticks, but this laptop lets me also put DIMM2, so I'm a little confused.
Is SODIMM also dual channel, or is it a single or two memory stick ? I guess it'...
1
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1
answer
21k
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8GB dual channel vs 12GB single channel
So I was thinking on improving my currently 4GB of RAM and wondering if I should get another 4GB and use them in double channel or stay with single channel and get 8GB extra.
Considering that I ...
2
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3
answers
5k
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Windows XP (32-bit) system with 8GB RAM, will I still get dual-channel benefit?
I am running a legacy Windows XP 32-bit PC (not for internet use of course). It has 2x4GB RAM which operates in dual-channel mode.
Obviously Windows XP can only use 4GB RAM. One could argue the ...
1
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0
answers
760
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DDR2 RAM: Effective RAM dual channel frequency
Assuming the following DDR2 dual channel RAM setup on a Gigabyte P35-DS4 rev 1.0 board:
Channel 0:
Bank #0 : DDR2-800
Bank #1 : DDR2-800
Channel 1:
Bank #0 : DDR2-1066
Bank #1 : DDR2-1066
Will the
...
3
votes
1
answer
2k
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RAM size mismatch: CPU-Z vs BIOS & Windows
Originally, I had 4GB of RAM (4*1GB), and everything worked like a charm.
A few months ago one of my memory cards got bad, so I had to take it out and throw it away.
A few days ago I bought 2 new ...
2
votes
2
answers
29k
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Memory Runs at Flex Memory Mode
I had 4 GB RAM installed, running in dual channel mode.
RAM: Corsair TWIN2X4096-6400C5DHX (CM2X2048-6400C5DHX)
Motherboard: Gigabyte GA-EP45-UD3R
Channel 0: DIMM1, DIMM2
Channel 1: DIMM3, DIMM4
...
2
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1
answer
8k
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How to check if RAM is working in dual-channel mode?
A friend of mine arranged three RAM modules of 2GB next to each other on a motherboard that supports dual-channel mode, but is not sure whether it's working. CPU-z shows only a gray area in the memory ...
0
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1
answer
135
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Quad-Channel on ASUS M4A88TD-M motherboard
I'm learning about RAM multi-channel and I have doubts:
Is possible a quad-channel(8GB: 4x2GB) with M4A88TD-M?
What is better: A quad-channel(4x2GB) or a dual-channel(2x4GB)?
Thank's in advance ...
1
vote
2
answers
15k
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Are there issue using different sized RAM's
I have a 1*4GB RAM installed in my dell laptop. I am going to purchase 1*8GB RAM. So, my question is if the combination of one 4GB and one 8GB RAM, will both work or not? I am confused as I have never ...
0
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2
answers
2k
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What is the optimal distribution of RAM across available slots given a specific amount?
Given two memory slots, what is the optimal configuration given my 2x1GB, plus either 1x4GB or 2x2GB? (I just bought a used laptop with two slots, currently 2x1GB, max 8GB)
Possible upgrade ...
0
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2
answers
296
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Dual memory channel unavailable on DELL DIMENSION 8300
I ran a DELL performance check on my computer (DELL DIMENSION 8300). Also I asked for a memorry configuration report. The result is a follows
Available Memory 60.92 %
Page File Size 3,071.1MB
...
0
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1
answer
2k
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Upgrading laptop memory and deciding between 6gb and 8gb. I usually have 100+ processes running at any given time. Advice? [closed]
I am not a gamer. Most of the processes are usually in chrome as I have many tabs open constantly, along with a few other applications that I like to run pretty much constantly. I'm deciding between ...
3
votes
2
answers
8k
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How to best distribute 12GB of RAM?
All 3 modules will have the same MHz but how do distribute modules to best handle multi-channel RAM. When buying 8GB is easy as I can take 2 x 4GB.
What solution is best for 12GB:
3 x 4GB
8GB + 4 ...
0
votes
0
answers
760
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Separate MAC Filtering Rules for Each Frequency in Linksys EA2700-RM
I recently bought a Linksys EA2700-RM router for my home. I have set up the 5GHz network, the 2.4GHz network and the Guest network.
My 5GHz network is for highest priority devices, the 2.4GHz network ...
1
vote
2
answers
3k
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Dual channel: mix a current kit of memory sticks with another from 3 years ago?
My PC has 8Gb. of memory, in 2x4Gb. memory sticks bought 3 years ago, and is currently working with dual channel enabled. I'm thinking of adding another 8 Gb., but the problem is that, for dual ...