From 717ce1886166b4cc7cca6d2bf1acb8ac3749cb78 Mon Sep 17 00:00:00 2001
From: vit9696 <vit9696@users.noreply.github.com>
Date: Mon, 5 Apr 2021 19:20:24 +0300
Subject: [PATCH] OcCpuLib: Fix FSB frequency calculation on Bonnel CPUs

---
 Library/OcCpuLib/OcCpuLib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/OcCpuLib/OcCpuLib.c b/Library/OcCpuLib/OcCpuLib.c
index 4cb51e37fec..06d358c90c5 100755
--- a/Library/OcCpuLib/OcCpuLib.c
+++ b/Library/OcCpuLib/OcCpuLib.c
@@ -306,7 +306,7 @@ SetMaxBusRatioAndMaxBusRatioDiv (
   //
   // Refer to Intel SDM (MSRs in Processors Based on Intel... table).
   //
-  if (CpuModel >= CPU_MODEL_NEHALEM) {
+  if (CpuModel >= CPU_MODEL_NEHALEM && CpuModel != CPU_MODEL_BONNELL) {
     PlatformInfo.Uint64 = AsmReadMsr64 (MSR_NEHALEM_PLATFORM_INFO);
     *MaxBusRatio        = (UINT8) PlatformInfo.Bits.MaximumNonTurboRatio;
     *MaxBusRatioDiv     = 0;