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Questions tagged [disk-controller]

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10
votes
2answers
3k 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 ...
3
votes
3answers
364 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 ...
16
votes
7answers
78k 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: "...
2
votes
2answers
18k 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 ...