diff --git a/inxi b/inxi
index 0664687..d43c220 100755
--- a/inxi
+++ b/inxi
@@ -10774,49 +10774,59 @@ sub cp_cpu_arch {
 				$year = '';} # dates uncertain, 1999 start
 		}
 		elsif ($family eq '6'){
-			if ($model =~ /^(1|2)$/){
-				$arch = 'K7 Athlon Classic';
+			## verified
+			if ($model =~ /^(6)$/){
+				$arch = 'K7'; # 6:2:Palomino, duron
+				$process = 'AMD 180nm';
+				$year = '2002-04';}
+			elsif ($model =~ /^(8)$/){
+				$arch = 'K7'; # 8:1:thoroughbred, duron
+				$process = 'AMD 130nm';
+				$year = '2002-04';}
+			## to confirm
+			elsif ($model =~ /^(1|2)$/){
+				$arch = 'K7'; # Athlon Classic
 				$process = 'AMD 180-250nm';
 				$year = '1999-2002';}
 			elsif ($model =~ /^(3|4)$/){
-				$arch = 'K7 Thunderbird';
+				$arch = 'K7'; # Thunderbird
 				$process = 'AMD 180nm';
 				$year = '2000-01';}
-			elsif ($model =~ /^(6|7|8|A)$/){
-				$arch = 'K7 Palomino+'; # athlon xp
+			elsif ($model =~ /^(7|A)$/){
+				$arch = 'K7'; #  Palomino+; athlon xp
 				$process = 'AMD 130-180nm';
-				$year = '2001';}
+				$year = '2001-04';}
 			else {
 				$arch = 'K7';
 				$process = 'AMD 130-250nm';
-				$year = '';}
+				$year = '2001-04';}
 		}
 		# note: family F K8 needs granular breakdowns, was a long lived family
 		elsif ($family eq 'F'){
-			# positive IDs, but sub arch difficult, can be stepping based
-			if ($model =~ /^(7)$/){
-				$arch = 'K8'; # 7:A:clawhammer ADA3500DEP4AS
+			# positive IDs, but sub arch difficult, stepping based
+			if ($model =~ /^(7|C)$/){
+				$arch = 'K8'; # 7:A:clawhammer ADA3500DEP4AS; C:0:NewCastle
 				$process = 'AMD 130nm';
-				$year = '2004';} # cpuworld says 2004, but body says 2001
-			elsif ($model =~ /^(1C|2F)$/){
-				$arch = 'K8'; # 1C:Palermo;2F:A:Venice
+				$year = '2004-05';}
+			elsif ($model =~ /^(1C|23|28|2F)$/){
+				$arch = 'K8'; # 1C:Palermo;2F:A:Venice; 28:1:Manchester; 23:2:Toledo
 				$process = 'AMD 90nm';
-				$year = '2001';}
-			elsif ($model =~ /^(7F)$/){
-				$arch = 'K8 rev.F+'; # Lima
+				$year = '2004-06';}
+			elsif ($model =~ /^(6B|7F)$/){
+				$arch = 'K8'; # Lima; 68:1:Brisbane
 				$process = 'AMD 65nm';
-				$year = '2005';}
-			# generic IDs, try to reduce these to solid over time
-			elsif ($model =~ /^(4|5|8|B|C|E|F|14|15|17|18|1B|1F)$/){
+				$year = '2005-06';}
+			## to confirm
+			elsif ($model =~ /^(4|5|8|B|E|F|14|15|17|18|1B|1F)$/){
 				$arch = 'K8';
 				$process = 'AMD 65-130nm';
 				$year = '';}
-			elsif ($model =~ /^(21|23|24|25|27|28|2C)$/){
-				$arch = 'K8 rev.E';
+			elsif ($model =~ /^(21|24|25|27|2C)$/){
+				$arch = 'K8'; # rev.E 
 				$process = 'AMD 65-130nm';
 				$year = '';}
-			elsif ($model =~ /^(41|43|48|4B|4C|4F|5D|5F|68|6B|6C|6F|7C|C1)$/){
-				$arch = 'K8 rev.F+';
+			elsif ($model =~ /^(41|43|48|4B|4C|4F|5D|5F|68|6C|6F|7C|C1)$/){
+				$arch = 'K8'; # rev.F+
 				$process = 'AMD 65-130nm';
 				$year = '';}
 			else {