diff --git a/pinxi b/pinxi
index a852c51..6483870 100755
--- a/pinxi
+++ b/pinxi
@@ -50,8 +50,8 @@ use POSIX qw(ceil uname strftime ttyname);
 ## INXI INFO ##
 my $self_name='pinxi';
 my $self_version='3.3.29';
-my $self_date='2023-09-17';
-my $self_patch='26';
+my $self_date='2023-09-18';
+my $self_patch='27';
 ## END INXI INFO ##
 
 my ($b_pledge,@pledges);
@@ -11502,6 +11502,8 @@ sub cp_cpu_arch {
 	my $check = main::message('note-check');
 	# See: docs/inxi-cpu.txt 
 	# print "type:$type fam:$family model:$model step:$stepping\n";
+	# Note: AMD family is not Ext fam . fam but rather Ext-fam + fam.
+	# But model is Ext model . model...
 	if ($type eq 'amd'){
 		if ($family eq '3'){
 			$arch = 'Am386';
@@ -11737,6 +11739,7 @@ sub cp_cpu_arch {
 		elsif ($family eq '19'){ # AF
 			# zen 4 raphael, phoenix 1 use n5 I believe
 			# Epyc Bergamo zen4c 4nm, only few full model IDs, update when appear
+			# zen4c is for cloud hyperscale
 			if ($model =~ /^(78)$/){
 				$arch = 'Zen 4c';
 				$gen = '5';
@@ -11766,9 +11769,26 @@ sub cp_cpu_arch {
 				$note = $check;
 				$process = 'TSMC n5 (5nm)';
 				$year = '2021-22';}
-			# Zen 5: TSMC n3
 		}
-		## Roadmap: check to verify, AMD is usually closer to target than Intel
+		# Zen 5: TSMC n3/n4, epyc turin / granite ridge? / turin dense zen 5c 3nm
+		elsif ($family eq '20'){ # BF
+			if ($model =~ /^(0)$/){
+				$arch = 'Zen 5';
+				$gen = '5';
+				$process = 'TSMC n3 (3nm)'; # turin could be 4nm, need more data
+				$year = '2023+';}
+			elsif ($model =~ /^(20|40)$/){
+				$arch = 'Zen 5';
+				$gen = '5';
+				$process = 'TSMC n3 (3nm)'; # desktop, granite ridge, confirm 2024
+				$year = '2024+';}
+			else {
+				$arch = 'Zen 5';
+				$note = $check;
+				$process = 'TSMC n3/n4 (3,4nm)';
+				$year = '2024+';}
+		}
+		# Roadmap: check to verify, AMD is usually closer to target than Intel
 		# Epyc 4 genoa: zen 4, nm, 2022+ (dec 2022), cxl-1.1,pcie-5, ddr-5
 	}
 	# we have no advanced data for ARM cpus, this is an area that could be improved?
@@ -12252,13 +12272,13 @@ sub cp_cpu_arch {
 				$arch = 'Raptor Lake'; # 13 gen, socket LG 1700,1800
 				$process = 'Intel 7 (10nm)';
 				$year = '2022+';}
-			elsif ($model =~ /^(BD)$/){
-				$arch = 'Lunar Lake'; # 16 gn
+			elsif ($model =~ /^(BC|BD)$/){
+				$arch = 'Lunar Lake'; # 15 gn
 				$process = 'Intel 18a (1.8nm)';
 				$year = '2024+';} # check when actually in production
 			# Meteor Lake-S maybe cancelled, replaced by arrow
-			elsif ($model =~ /^(C6)$/){
-				$arch = 'Arrow Lake'; # 15 gn
+			elsif ($model =~ /^(C5|C6)$/){
+				$arch = 'Arrow Lake'; # 14 gn
 				# gfx tile is TSMC 3nm
 				$process = 'Intel 20a (2nm)';# TSMC 3nm (corei3-5)/Intel 20A 2nm (core i5-9)
 				$year = '2024+';} # check when actually in production
@@ -12273,11 +12293,11 @@ sub cp_cpu_arch {
 			# Diamond Rapids: Intel 3 (7nm+), 2025
 			# Raptor Lake: 13 gen, Intel 7 (10nm), 2022
 			# Meteor Lake: 14 gen, Intel 4 (7nm+)
-			# Arrow Lake - 15 gen, TSMC 3nm (corei3-5)/Intel 20A 2nm (core i5-9), 2024
-			# Panther Lake - 15 gen, ?
-			# Beast Lake - 15 gen, ?
-			# Lunar Lake - 16 gen, Intel 18A (1.8nm), 2024-5
-			# Nova Lake - 17 gen, Intel 18A (1.8nm), 2026
+			# Arrow Lake - 14 gen, TSMC 3nm (corei3-5)/Intel 20A 2nm (core i5-9), 2024
+			# Lunar Lake - 15 gen, Intel 18A (1.8nm), 2024-5
+			# Panther Lake - 15 gen, ?, late 2025, cougar cove Xe3 Celestial GPU architecture
+			# Beast Lake - 16 gen, ?, 2026?
+			# Nova Lake - 16 gen, Intel 18A (1.8nm), 2026
 		}
 		# itanium 1 family 7 all recalled
 		elsif ($family eq 'B'){