diff --git a/src/crypto/rx/Rx_linux.cpp b/src/crypto/rx/Rx_linux.cpp
index a513d38aa..df39b78bf 100644
--- a/src/crypto/rx/Rx_linux.cpp
+++ b/src/crypto/rx/Rx_linux.cpp
@@ -88,7 +88,7 @@ static bool wrmsr_on_all_cpus(uint32_t reg, uint64_t value)
     free(namelist);
 
     if (errors) {
-        LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "cannot set MSR 0x%04" PRIx32 " to 0x%04" PRIx64, rx_tag(), reg, value);
+        LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "cannot set MSR 0x%08" PRIx32 " to 0x%08" PRIx64, rx_tag(), reg, value);
     }
 
     return errors == 0;
@@ -100,7 +100,7 @@ static bool wrmsr_on_all_cpus(uint32_t reg, uint64_t value)
 
 void xmrig::Rx::osInit(const RxConfig &config)
 {
-    if (config.wrmsr() < 0 || Cpu::info()->vendor() != ICpuInfo::VENDOR_INTEL) {
+    if (config.wrmsr() < 0) {
         return;
     }
 
@@ -110,5 +110,11 @@ void xmrig::Rx::osInit(const RxConfig &config)
         return;
     }
 
-    wrmsr_on_all_cpus(0x1a4, config.wrmsr());
+    if (Cpu::info()->vendor() == ICpuInfo::VENDOR_AMD) {
+        wrmsr_on_all_cpus(0xC0011022, 0x510000);
+        wrmsr_on_all_cpus(0xC001102b, 0x1808cc16);
+    }
+    else if (Cpu::info()->vendor() == ICpuInfo::VENDOR_INTEL) {
+        wrmsr_on_all_cpus(0x1a4, config.wrmsr());
+    }
 }
diff --git a/src/version.h b/src/version.h
index a17ed41ee..ef7efff7c 100644
--- a/src/version.h
+++ b/src/version.h
@@ -28,7 +28,7 @@
 #define APP_ID        "xmrig"
 #define APP_NAME      "XMRig"
 #define APP_DESC      "XMRig miner"
-#define APP_VERSION   "5.2.1"
+#define APP_VERSION   "5.2.1-dev"
 #define APP_DOMAIN    "xmrig.com"
 #define APP_SITE      "www.xmrig.com"
 #define APP_COPYRIGHT "Copyright (C) 2016-2019 xmrig.com"