diff --git a/default.nix b/default.nix
index e372095..1070930 100644
--- a/default.nix
+++ b/default.nix
@@ -52,7 +52,7 @@ let
       borderVmConf
     ];
   }).config.system;
-in {
+in rec {
   inherit evalModules;
 
   outputs = config.system.outputs // {
@@ -90,4 +90,16 @@ in {
       lua
     ];
   };
+
+  try-nand = pkgs.pkgsBuildBuild.writeShellScriptBin "try-nand.sh" ''
+    rootfs=$(mktemp)
+    cp ${outputs.default}/rootfs $rootfs
+    ${pkgs.pkgsBuildBuild.qemuLim}/bin/qemu-system-mips \
+      -M malta -echr 16 -m 272 \
+      -device nand,chip_id=0x59,id=nand -drive format=raw,file=''${rootfs},if=mtd,id=nand \
+      -serial mon:stdio -kernel ${outputs.default}/vmlinux \
+      -append "root=/dev/mtdblock0 console=ttyS0,115200 panic=10 oops=panic init=/bin/init loglevel=8 root=/dev/mtdblock0 rootfstype=squashfs fw_devlink=off mem=256M liminix mtdparts=phram0:16M(rootfs) phram.phram=phram0,0x90000000,16Mi,65536" \
+      -display none
+    rm $rootfs
+  '';
 }