xf86config will generate errors after reading the Card database (/usr/lib/X11/Cards).  Here's a patch to fix it:

--- /usr/lib/X11/Cards.orig	Wed Jul 12 07:05:27 2000
+++ Cards.new	Wed Jul 12 07:10:57 2000
@@ -339,13 +339,13 @@
 NAME PixelView Combo TV Pro (Prolink)
 CHIPSET CL-GD5480, 4MB
 SERVER SVGA
-COMMENT on card TV Tuner
+LINE	# on card TV Tuner
 NOCLOCKPROBE
 
 NAME PixelView Combo TV 3D AGP (Prolink)
 CHIPSET CL-GD5465, 4MB
 SERVER SVGA
-COMMENT on card TV+FM Tuner
+LINE	# on card TV+FM Tuner
 NOCLOCKPROBE
 
 NAME Creative Labs Graphics Blaster Eclipse (OEM Model CT6510)
@@ -1535,16 +1535,16 @@
 NAME Interay PMC Viper
 SEE ET6000 (generic)
 
-2-the-Max MAXColor 6000
+NAME 2-the-Max MAXColor 6000
 SEE ET6000 (generic)
 
-Gainward Challenger EV
+NAME Gainward Challenger EV
 SEE ET6000 (generic)
 
-MachSpeed VGA ET6000
+NAME MachSpeed VGA ET6000
 SEE ET6000 (generic)
 
-KouTech KeyVision 128 EV
+NAME KouTech KeyVision 128 EV
 SEE ET6000 (generic)
 
 NAME Jaton Video-58P