PC Graphics standard overview
Standard Signals Resolution Refresh Connector Horizonal
(H x V) rate frequency
MDA TTL 720 x 350 50 Hz 9 pin 18,43 kHz
HGC TTL 720 x 348 50 Hz 9 pin 18,43 kHz
CGA RGBI/TTL 640 x 200 60 Hz 9 pin 15,75 kHz
EGA RGB/TTL 640 x 350 60 Hz 9 pin 21,85 kHz
EGA+ RGB/TTL 640 x 480 60 HZ 9 pin 30,5 kHz
VGA RGB-Analog 640 x 480 60/70 Hz 9/15 pin 31,47 kHz
8514/A RGB-Analog 1024 x 768 87 Hz int 15 pin 35,50 kHz
XGA RGB-Analog 1024 x 768 72 Hz 15 pin 37,5 kHz
SVGA-1 RGB-Analog 800 x 600 56 Hz 15 pin 35,2 kHz
SVGA-2 RGB-Analog 800 x 600 60 Hz 15 pin 37,8 kHz
SVGA-3 RGB-Analog 800 x 600 72 Hz 15 pin 48,3 kHz
UVGA-1 RGB-Analog 1024 x 768 60 Hz 15 pin 48,4 kHz
UVGA-2 RGB-Analog 1024 x 768 70 Hz 15 pin 56, 5 kHz
UVGA-3 RGB-Analog 1280 x 960 60 Hz 15 pin 64,0 kHz
TIGA RGB-Analog 1280 x 1024 60 Hz 15 pin 64 kHz
Pinouts
DB9: (For TTL 16-Color CGA)
Pin 1: Ground
Pin 2: Unused
Pin 3: Red Video
Pin 4: Green Video
Pin 5: Blue Video
Pin 6: Intensity
Pin 7: Unused
Pin 8: Horizontal Sync
Pin 9: Vertical Sync
DB9: (For TTL 64-Color EGA)
Pin 1: Ground
Pin 2: Secondary Red Video
Pin 3: Primary Red Video
Pin 4: Primary Green Video
Pin 5: Primary Blue Video
Pin 6: Secondary Green Video/Intensity
Pin 7: Secondary Blue Video
Pin 8: Horizontal Sync
Pin 9: Vertical Sync
DB9: (For TTL Mono)
Pin 1: Ground
Pin 2: Unused
Pin 3: Unused
Pin 4: Unused
Pin 5: Unused
Pin 6: High Intensity
Pin 7: Video
Pin 8: Horizontal Sync
Pin 9: Vertical Sync