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-rw-r--r--OvmfPkg/Library/AcpiTimerLib/AcpiTimerLib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/OvmfPkg/Library/AcpiTimerLib/AcpiTimerLib.c b/OvmfPkg/Library/AcpiTimerLib/AcpiTimerLib.c
index 6c5cccc273..7a6745caf0 100644
--- a/OvmfPkg/Library/AcpiTimerLib/AcpiTimerLib.c
+++ b/OvmfPkg/Library/AcpiTimerLib/AcpiTimerLib.c
@@ -24,7 +24,7 @@
//
// PIIX4 Power Management Base Address
//
-UINT32 mPmba = 0x401;
+UINT32 mPmba = 0x400;
#define PCI_BAR_IO 0x1
#define ACPI_TIMER_FREQUENCY 3579545