diff --git a/iso/efiboot/loader/entries/01-archiso-linux-copytoram.conf b/iso/efiboot/loader/entries/01-archiso-linux-copytoram.conf
new file mode 100644
index 0000000..289bd88
--- /dev/null
+++ b/iso/efiboot/loader/entries/01-archiso-linux-copytoram.conf
@@ -0,0 +1,5 @@
+title    Bread OS install medium (copy to RAM, UEFI)
+sort-key 015
+linux    /%INSTALL_DIR%/boot/%ARCH%/vmlinuz-linux
+initrd   /%INSTALL_DIR%/boot/%ARCH%/initramfs-linux.img
+options  archisobasedir=%INSTALL_DIR% archisosearchuuid=%ARCHISO_UUID% copytoram=y
diff --git a/iso/syslinux/archiso_sys-linux.cfg b/iso/syslinux/archiso_sys-linux.cfg
index 3b64109..0ec10f1 100644
--- a/iso/syslinux/archiso_sys-linux.cfg
+++ b/iso/syslinux/archiso_sys-linux.cfg
@@ -8,6 +8,19 @@ LINUX /%INSTALL_DIR%/boot/%ARCH%/vmlinuz-linux
 INITRD /%INSTALL_DIR%/boot/%ARCH%/initramfs-linux.img
 APPEND archisobasedir=%INSTALL_DIR% archisosearchuuid=%ARCHISO_UUID%
 
+# Copy-to-RAM boot option — loads airootfs.sfs entirely into RAM, so the
+# installer reads from memory rather than a possibly-flaky USB (avoids SquashFS
+# read errors during unpackfs). Needs enough RAM for the image (~3 GB).
+LABEL archtoram
+TEXT HELP
+Boot Bread OS, copying the image into RAM first.
+More reliable installs from USB; needs a few GB of RAM.
+ENDTEXT
+MENU LABEL Bread OS install medium (%ARCH%, BIOS) ^copy to RAM
+LINUX /%INSTALL_DIR%/boot/%ARCH%/vmlinuz-linux
+INITRD /%INSTALL_DIR%/boot/%ARCH%/initramfs-linux.img
+APPEND archisobasedir=%INSTALL_DIR% archisosearchuuid=%ARCHISO_UUID% copytoram=y
+
 # Accessibility boot option
 LABEL archspeech
 TEXT HELP