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-rw-r--r--src/mainboard/lenovo/t420/cmos.layout5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mainboard/lenovo/t420/cmos.layout b/src/mainboard/lenovo/t420/cmos.layout
index 924b0f11ab..96cba62599 100644
--- a/src/mainboard/lenovo/t420/cmos.layout
+++ b/src/mainboard/lenovo/t420/cmos.layout
@@ -69,7 +69,7 @@ entries
418 1 e 1 sticky_fn
419 1 e 1 power_management_beeps
421 1 e 9 sata_mode
-#422 2 r 1 unused
+422 2 e 13 usb_always_on
# coreboot config options: cpu
#424 8 r 0 unused
@@ -137,6 +137,9 @@ enumerations
11 6 224M
12 0 Integrated Only
12 1 Discrete Only
+13 0 Disable
+13 1 AC and battery
+13 2 AC only
# -----------------------------------------------------------------
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