I am currently facing an issue with one of my MBR disks on a Windows server. The disk is supposed to have a maximum size of 2048GB, but I have noticed ...
But it just prints an empty string, unless I set the address to something like 0x00 or 0x20, then it prints some ascii characters . Also I am new to a ...
I have tried to study X86 MBR code as below: I can not understand the reason for the last line of the code. ...
I am currently working on a simple operating system (Github: https://github.com/Nutty000/PlanetOS) I would like to make the os work on real hardware, ...
I had an idea not too long ago to dual boot linux and windows on my machine and was wondering if it was possible to (while using linux as host) boot u ...
I am going through os-dev by Nick Blundell. There he has taken through the hex data inside a bin file after compiling the boot sector assembly code us ...
I have a custom MBR that I compile with NASM to a binary and I can boot it just fine in qemu and bochs. I am trying to boot this MBR in DosBox using ...
I am try to compile the simple following MBR: I run the following commands: However, I get a binary file of more than 129MB which is strange to ...
I'm using the Bochs enhanced debugger on Windows 10 x64 to debug an MBR in 16-bit mode. It all works perfectly fine, except that the debugger shows m ...
So as far as i know, MBR size is 512 bytes and it ends with 0x55AA. My questions are : How common is it for disks to have a sector size bigger th ...
I know that in the end of Master Boot Record (MBR) there is a magic number that tells BIOS it is the bootloader, And that we need to fill in the amoun ...
How does the Master Boot Record (MBR) change? I can not figure out if there is an MBR specific to Linux-based operating systems, or does each operatin ...
my bootloader consists of two 512 byte stages. stage 1 gets loaded by the bios into the MBR area. stage1 then proceeds to load stage2 from the drive a ...
I'm currently trying to decode the MBR of my memory card for learning purpose. I've read many documents that are saying that partition tables are alw ...
I'm developing a Hello World kernel and bootloader...I wrote this code but when I try to compile it via NASM It says : "bootloader.asm:30: error: TIME ...
The field in the MBR partition table with 8 bytes offset is intended to store the LBA-address of the partition beginning. LBA addressing was introduce ...
I was doing some late night work on a hard disk, blowing away partitions on a drive, I accidentally selected my main drive which had a windows 10 inst ...
I am currently writing a bootloader in x86 NASM assembly designed to load a kernel (R.BIN) from a FAT16 filesystem and jump to it. I have been writing ...
What is the difference between Volume Boot Record and Extended Boot Record? Are they same or different? Do they occupy first 512 bytes of partition/vo ...
Writing OS experiment from scratch and curious about Grub2 and my FS I haven't tried very much with this just yet, at least not in practice. I've bee ...