diff --git a/raid/cpu.h b/raid/cpu.h
index 8a9f8bf0..ed909bb7 100644
--- a/raid/cpu.h
+++ b/raid/cpu.h
@@ -306,6 +306,18 @@ static inline int raid_cpu_has_slowextendedreg(void)
 		 * Intel Atom (Model 77)
 		 * par2_sse2:5686 MB/s, par2_sse2e:5250 MB/s
 		 * parz_sse2:3100 MB/s, parz_sse2e:3400 MB/s
+		 * par3_sse3:1921 MB/s, par3_sse3e:1813 MB/s
+		 * par4_sse3:1175 MB/s, par4_sse3e:1113 MB/s
+		 * par5_sse3:876 MB/s, par5_sse3e:675 MB/s
+		 * par6_sse3:705 MB/s, par6_sse3e:529 MB/s
+		 *
+		 * Intel Atom (Model 77) "Avoton C2750"
+		 * par2_sse2:5661 MB/s, par2_sse2e:5382 MB/s
+		 * parz_sse2:3110 MB/s, parz_sse2e:3450 MB/s
+		 * par3_sse3:1769 MB/s, par3_sse3e:1856 MB/s
+		 * par4_sse3:1221 MB/s, par4_sse3e:1141 MB/s
+		 * par5_sse3:910 MB/s, par5_sse3e:675 MB/s
+		 * par6_sse3:720 MB/s, par6_sse3e:534 MB/s
 		 */
 		if (raid_cpu_is_atom(family, model))
 			return 1;
diff --git a/raid/module.c b/raid/module.c
index 6baf8aec..b688d22c 100644
--- a/raid/module.c
+++ b/raid/module.c
@@ -65,10 +65,17 @@ void raid_init(void)
 #ifdef CONFIG_SSSE3
 	if (raid_cpu_has_ssse3()) {
 #ifdef CONFIG_X86_64
-		raid_gen3_ptr = raid_gen3_ssse3ext;
-		raid_gen_ptr[3] = raid_gen4_ssse3ext;
-		raid_gen_ptr[4] = raid_gen5_ssse3ext;
-		raid_gen_ptr[5] = raid_gen6_ssse3ext;
+		if (raid_cpu_has_slowextendedreg()) {
+			raid_gen3_ptr = raid_gen3_ssse3;
+			raid_gen_ptr[3] = raid_gen4_ssse3;
+			raid_gen_ptr[4] = raid_gen5_ssse3;
+			raid_gen_ptr[5] = raid_gen6_ssse3;
+		} else {
+			raid_gen3_ptr = raid_gen3_ssse3ext;
+			raid_gen_ptr[3] = raid_gen4_ssse3ext;
+			raid_gen_ptr[4] = raid_gen5_ssse3ext;
+			raid_gen_ptr[5] = raid_gen6_ssse3ext;
+		}
 #else
 		raid_gen3_ptr = raid_gen3_ssse3;
 		raid_gen_ptr[3] = raid_gen4_ssse3;