diff --git a/nixos-anywhere-nocix/disk-config.nix b/nixos-anywhere-nocix/disk-config.nix
index 75ae234..1894dde 100644
--- a/nixos-anywhere-nocix/disk-config.nix
+++ b/nixos-anywhere-nocix/disk-config.nix
@@ -1,56 +1,32 @@
 # Example to create a bios compatible gpt partition
 { lib, ... }:
 {
-  disko.devices = {
-    disk.disk1 = {
-      device = lib.mkDefault "/dev/sda";
-      type = "disk";
-      content = {
-        type = "gpt";
-        partitions = {
-          boot = {
-            name = "boot";
-            size = "1M";
-            type = "EF02";
-          };
-          esp = {
-            name = "ESP";
-            size = "500M";
-            type = "EF00";
-            content = {
-              type = "filesystem";
-              format = "vfat";
-              mountpoint = "/boot";
-            };
-          };
-          root = {
-            name = "root";
-            size = "100%";
-            content = {
-              type = "lvm_pv";
-              vg = "pool";
-            };
-          };
-        };
-      };
-    };
-    lvm_vg = {
-      pool = {
-        type = "lvm_vg";
-        lvs = {
-          root = {
-            size = "100%FREE";
-            content = {
-              type = "filesystem";
-              format = "ext4";
-              mountpoint = "/";
-              mountOptions = [
-                "defaults"
-              ];
-            };
-          };
-        };
-      };
-    };
-  };
+	disko.devices = {
+		disk = {
+			sdb = {
+				device = "/dev/sdb";
+				type = "disk";
+				content = {
+					type = "table";
+					format = "mbr";
+					partitions = {
+						boot = {
+							size = "500M";
+							type = "EF02"; # for grub MBR
+							attributes = [ 0 ]; # partition attribute
+						};
+						root = {
+							size = "100%";
+							content = {
+								type = "filesystem";
+								format = "ext4";
+								mountpoint = "/";
+							};
+						};
+
+					};
+				};
+			};
+		};
+	};
 }