Product / Project Feature: Multiboot HDD 2021 Final Verified 1. Overview Type: Bootable external/internal HDD (USB 3.0 / SATA) Capacity: 500GB – 2TB Boot modes: Legacy BIOS (CSM) + UEFI x64/x86 (Secure Boot optional) Status: Final verified – stable release, no further beta changes 2. Core Boot Manager | Feature | Details | |---------|---------| | Primary bootloader | Grub2 (version 2.06) + Syslinux as fallback | | Secondary boot | Ventoy (optional, 2021 patched) or Easy2Boot v2.19 | | Menu timeout | 10 seconds (customizable) | | Password protection | Grub2 password for edit/entry (optional) | Supports booting from:
ISO files (direct loopback) WIM/ESD (Windows PE) VHD/VHDX (Windows 8/10/11) Ext4/NTFS/FAT32/exFAT partitions
3. Included Operating System Images (Live & Installer) Windows Family
Windows 10 21H2 (Pro + LTSC 2021) – Setup + WinPE Windows 11 21H2 (with TPM bypass scripts) Windows 7 SP1 (legacy BIOS only) Windows Server 2022 (Core + Desktop) multiboot hdd 2021 final verified
Linux Family
Ubuntu 20.04.3 LTS / 21.10 Linux Mint 20.2 SystemRescue 9.00 KDE Neon (user edition) GParted Live 1.3.1
Utilities & Diagnostics
Hiren’s BootCD PE (2021) Ultimate Boot CD (UBCD) 5.3.8 MemTest86 9.4 Free Clonezilla 3.0.2 DBAN 2.3.0 (deprecated but present) Super GRUB2 Disk 2.04
4. Partition Scheme (Verified Layout) | Partition | FS | Size | Purpose | |-----------|----|------|---------| | 1 | FAT32 | 2GB | EFI boot partition (ESP) + Grub2 | | 2 | NTFS | 200GB | Windows ISOs + install sources | | 3 | ext4 | 100GB | Linux live persistence + casper-rw | | 4 | NTFS/exFAT | Remainder | Data storage (shared across OS) |
MBR + GPT hybrid (for maximum compatibility) Product / Project Feature: Multiboot HDD 2021 Final
5. Special 2021-Verified Features ✅ Persistent Storage
Linux: persistence file (up to 4GB for legacy, 30GB for ext4) Windows To Go: Windows 10/11 native (unsupported but working)