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--- bsd:notes:format_fat32_usb [2026/01/14 21:18] – [Information] Sean Rhone
+++ bsd:notes:format_fat32_usb [2026/07/20 18:39] (current) – Sean Rhone
@@ Line 3: / Line 3: @@
   * Format entire USB to FAT32
   * Create Windows install USB for EFI boot ((:!: no boot sector/etc for Legacy/non-UEFI boot))
+  * :!: TODO: GPT instead of MBR ((:?: There might be a difference with MBR having Windows install CSM/Legacy support under UEFI, vs GPT not having CSM/Legacy; check Rufus))
 ====== Format ======
@@ Line 11: / Line 12: @@
   gpart destroy -F 'da0'
+  dd if='/dev/zero' of='/dev/da0' count='18096'
   gpart create -s 'MBR' 'da0'
@@ Line 31: / Line 34: @@
 ====== Copy Windows ISO ======
-****
 z x ~/'Downloads/en-us_windows_10_iot_enterprise_ltsc_2021_x64_dvd_257ad90f.iso' -o'/mnt/USB1' && sync
@@ Line 38: / Line 39: @@
 ===== Etc =====
-****
+  * [[https://www.catalog.update.microsoft.com/Search.aspx?q=Cumulative+Update+for+Windows+10+Version+21H2+for+x64-based+Systems|Windows 10 21H2 Cumulative Updates - Microsoft Update Catalog]]
+  * [[windows:10#programs|Programs]]
   mkdir -p '/mnt/USB1/W10USB' && gio open ~/'Downloads' '/mnt/USB1/W10USB'
+  cp -R ~/'Downloads/W10USB' '/mnt/USB1'
+====== Unmount ======
+  su -
+  sync && umount '/mnt/USB1'
+  usbconfig
+  usbconfig -d '/dev/ugen0.4' 'power_off' && sleep '0.5' && usbconfig