分享科技與遊戲 by HKGoldenMr.A: Bootloader

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2020-02-27

燒錄 Bootloader 到 ATmega328P* 並獨立運作

最近購買了 1塊 ATmega328P-U 就是 Arduino UNO Rev3 的核心
但在下嘗試上載 Sketch 到發現卻出現錯誤，究竟是甚麼原因？

2011-07-30

利用 GRUB2 讀取 Ubuntu ISO (Using GRUB2 to load Ubuntu ISOs)

每次安裝新系統都要燒錄光碟吧……很浪費呢……
用外置裝置吧……要將裝置中的資料備份，再格式化裝置，再將映像檔寫入……
但若果沒有以上的裝置，哪如何安裝新系統？
If you want to install a new system to your harddisk,
You need write a install disc, it is a little bit waste.
Use external device ... you need to backup the data in this external device,
format the external device, build the image to the external device ...
However, if you don't have these devices, how could you install a new system ?

2011-01-01

讓 Windows Bootloader 載入 GRUB

為避免格式化 Ubuntu 後導致不能起動 Windows ，所以不讓 GRUB 成為 MBR
但使用 Windows 預設的 Bootloader 又不能列出非 Windows 的作業系統，所以需要改寫 C:\boot.ini
注意：胡亂改寫 C:\boot.ini 的會導致所有作業系統不能起動
If you use GRUB as MBR, after format Ubuntu partition GRUB will erase also
However, after re-build Windows Bootloader as MBR, GRUB2 will be replaced, and Ubuntu cannot be started for booting
So, how could let Windows Bootloader as MBR and boot up Ubuntu after GRUB2 is replaces

修復 Ubuntu 的 MBR (Recover Ubuntu GRUB as MBR)

GRUB 是一種出名的 Bootloader
但當 GRUB 被其他 Bootloader 覆蓋，如何重新讓 GRUB 成為 MBR ?
GRUB is a popular Bootloader.
However, how could we recover GRUB is covered by other Bootloader ?

修復 Windows 的 MBR (Recover Windows Bootloader as MBR)

若電腦系統曾經運行 Windows 與 Ubuntu 雙系統
當 Ubuntu 被格式化後，由於會連同 GRUB 一拼刪除，若果 MBR 被 Ubuntu 覆寫 MBR 不會引導 Windows 的 Bootloader
因此將會導致沒有 Bootloader 起動 Windows
若要重新起動 Windows 便需要修復 MBR 引導 Windows 的 Bootloader
If the computer run with Windows and UBunut 2 Systems
After you format Ubuntu, you should recover Windows Bootloader as Master Boot Record, otherwise you cannot boot to Windows Partition
You need to recover Windows Bootloader to boot the Windows Partition