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-rw-r--r--src/mainboard/asrock/b85m_pro4/bootblock.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/asrock/b85m_pro4/bootblock.c b/src/mainboard/asrock/b85m_pro4/bootblock.c
index 0cedcd6e47..7314552767 100644
--- a/src/mainboard/asrock/b85m_pro4/bootblock.c
+++ b/src/mainboard/asrock/b85m_pro4/bootblock.c
@@ -54,6 +54,7 @@ void mainboard_config_superio(void)
pnp_write_config(GLOBAL_DEV, 0x24, 0x1c);
pnp_write_config(GLOBAL_DEV, 0x27, 0xd0);
pnp_write_config(GLOBAL_DEV, 0x2a, 0x62);
+ pnp_write_config(GLOBAL_DEV, 0x2c, 0x80);
pnp_write_config(GLOBAL_DEV, 0x2f, 0x03);
/* Power RAM in S3 and let the PCH handle power failure actions */