--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -1111,6 +1111,17 @@
 	},
 	{
 		/*
+		 * CASPER EXCALIBUR G900 / NLCC 001: Keep unused ACPI power
+		 * resources on to avoid losing the NVIDIA dGPU and NVMe #2.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "CASPER BILGISAYAR SISTEMLERI"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "EXCALIBUR G900"),
+			DMI_MATCH(DMI_BOARD_NAME, "NLCC 001"),
+		},
+	},
+	{
+		/*
 		 * THUNDEROBOT ZERO laptop: Due to its SSDT table bug, power
 		 * resource 'PXP' will be shut down on initialization, making
 		 * the NVMe #2 and the NVIDIA dGPU both unavailable (they're