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Questions tagged [disk-controller]

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11 votes
2 answers
5k views

When a disk read or disk write occurs, where does the data go?

I understand that there is such a thing as a disk controller which contains a buffer, but was wondering if the CPU reads directly from this buffer, or whether the data must first go to a specific ...
Kaitlyn Mcmordie's user avatar
3 votes
3 answers
600 views

Is it possible to detect the previous byte position on a hard drive after it has been overwritten?

I keep hearing about these statements that "a hard drive is like a cassette tape because it is a magnetic medium". That got me thinking... Back in the day when I used to play DJ as a young lad, I ...
Chad Harrison's user avatar
3 votes
1 answer
26k views

SSD stopped working suddenly. Any chance of data recovery?

I have been using a Corsair Force 3 (120GB) SSD since last 1.5 years. Yesterday, the laptop freezed suddenly and I had to hard reset it. Then it refused to boot as if no HDD was installed. This has ...
Madhur's user avatar
  • 115
42 votes
7 answers
159k views

Which drive is \Device\Harddisk1\DR1?

While I was trying to find out why the main disk is performing a form of unexpained "thrashing"(while there was no RAM issue), freezing up apps temporarily, I found a relevant error in the logs: "...
j riv's user avatar
  • 2,596
0 votes
1 answer
277 views

How do I get these ports enabled?

I have a qNine 6 port data pcie controller card that will not enable ports 5 and 6. Or rather the card at boot does not display the HDDs attached. The card, however, does indicate there is some thing ...
John Schultz's user avatar