Questions tagged [dram]
The dram tag has no usage guidance.
43
questions
0
votes
0
answers
37
views
What does (4G x 4) x 40 DRAM Composition mean?
I found two different specifications of memory modules on Samsung's official website, with the same Component Composition but different capacities. What do the three numbers in Component Composition ...
- 103
0
votes
2
answers
473
views
Where are DRAM timings stored in SPD data?
The "SPD" tab in CPU-Z show several sets of settings in the timings table:
According to the SPD article in Wikipedia, a single set of timing settings is stored in the SPD data (e.g., CAS ...
- 683
1
vote
0
answers
534
views
PC BIOS doesn't boot after failed reset to defaults
Good day.
I have bought brand new PC details and did a setup.
Firstly everything went fine, but I had some issues with installing W11, so I went to bios options, changed few things there, after reboot ...
6
votes
2
answers
4k
views
Is DRAM on a SSD managed by the OS or by the firmware?
I am using a SSD connected to a Mac over a sata to usb bridge to archive relatively big files. After I transfer it to the SSD, I unmount it and and unplug it.
This SSD has a DRAM cache. From my ...
- 8,328
1
vote
2
answers
2k
views
How much DRAM S0-DIMM DDR4 slot can support?
I'm thinking about buying a laptop and interested in future ungradability. In particular I'm looking into Thinkpad t480s. E.g. here Reddit a person claims to upgrade T480s with i7-8650U to 40Gb RAM (...
- 201
1
vote
1
answer
899
views
BIOS exits 1 beep (indicating DRAM refresh failure) but both RAM seem ok, windows is woking fine
I am trying to get into the boot menu of my pc to set up a Linux distribution. But every time I press DEL, I get 1 loud beep and my screen shows nothing.
My BIOS is provided by American Megatrends inc....
- 111
1
vote
1
answer
2k
views
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 ...
- 113
0
votes
0
answers
80
views
DRAM Self-Refresh not the Lowest Power Mode
I have a DDR3L Samsung DRAM on my Laptop. Based on page 23 of its datasheet, IDD6 or the Self-Refresh current is much higher than IDD2P0, IDD2P1 and IDD3P, which are the Precharge/Active Power-Down ...
- 101
-1
votes
1
answer
444
views
How do redundant memory cells in DRAM raise yield?
I was recently reading Computer Architecture-A Quantitative Approach(6th edition), and I encountered a problem while trying to understand a section from page 34:
Given the tremendous price pressures ...
- 161
1
vote
0
answers
543
views
Slower boot speed after problematic RAM upgrade / DRAM LED stays longer
I've updated my 8GB RAM to 12 GB and now I have a slower boot time plus long DRAM LED light duration (apx 5 seconds.) when turning on the device which makes the boot time even longer. I'd appreciate ...
- 11
1
vote
0
answers
487
views
Are there performance differences between DDR3 single-rank and dual-rank memory modules on Intel X58 with Core i7-960?
I have an approximately 10 year old Intel X58 chipset with a Core i7-960 processor, and I would like to upgrade the system from 12 GB to 24 GB of memory to support computationally- and memory-...
- 11
0
votes
1
answer
1k
views
Current RAM size not calculated correctly | Graphic card (and settings) not show in BIOS (BIOS 5, MSI X399)
I recently built up my own desktop PC for Deep Learning purposes. There are a few issues I'm not sure about, and I don't know if they are somehow related due to a defect, wrong hardware compatibility, ...
- 103
-2
votes
1
answer
873
views
Asrock X570 CPU+DRAM red leds on
After powerup the motherboard immediately lights up the CPU and DRAM leds, and the VGA and BOOT never does. The machine does not go any further than that in POST. No image. Moving the RAM pair did not ...
0
votes
1
answer
482
views
Why do we need PHY Interface between DDR Controller and DRAM Memory?
Is it required to have PHY in all the systems, if not what happens ?
if PHY is removed can we still pull the data from DRAM memory using the DDR controller ? if yes, then why do we need to have PHY ...
- 1
0
votes
1
answer
47
views
What are some points to be kept in mind before installing ram sticks of different sizes? (2Gb + 4Gb)
My older Desktop had a 32bit Windows 7. But since the processor was 64bit capable, I dual booted it with a 64bit Windows 7. I want to upgrade the RAM to 6Gbs by installing another 4Gb RAM stick. I ...
- 13