[ Content | Sidebar ]

Search Results for "graphics card schematic diagram"

Sponsored Links

9-Pin EGA (Enhanced Graphics Adapter) Connector Pinout

Sunday, 25. October 2009 by wire

The Enhanced Graphics Adapter (EGA) is the IBM PC computer display standard specification for a 16 simultaneous colors from a palette of 64 at a resolution of up to 640×350 pixels. EGA cards use the PC ISA bus and were available starting in 8-bit versions. The following schematics shows 9-Pin EGA (Enhanced Graphics Adapter) Connector and Pinout assignments.

9-pin EGA connector

Pin Name Function

1
2
3
4
5
6
7
8
9

GND
SR
PR
PG
PB
SG
SB
H
V

Ground
Secondary Red (Intensity)
Primary Red
Primary Green
Primary Blue
Secondary Green (Intensity)
Secondary Blue (Intensity)
Horizontal Sync
Vertical Sync

Further reading: Enhanced Graphics Adapter (EGA) on wikipedia

DB15 VGA Connector Schematic and Pinout Assignment

Sunday, 19. July 2009 by wire

The DB15 VGA (Video Graphics Array) connector contains however 15 pins in three rows of 5 pins each. These five pins carry the color and synchronisation signals, also a digital I2C interface for two-way communication between the video controller and monitor. The common 15-pin VGA connector found on most video cards, computer monitors, high definition televisions which support VGA connections. The following schematic diagram and table shows respectively connector and pin assignment of DB15 VGA.

DB15 VGA Connector Schematic 

Pin Name Function

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

RED
GREEN
BLUE
n/c
GND
RED_RTN
GREEN_RTN
BLUE_RTN
VDC
GND
n/c
SDA
HSYNC
VSYNC
SLC

Red Video
Green Video
Blue Video
not connected
Signal Ground
Red Ground
Green Ground
Blue Ground
5 VDC supply (fused)
Signal Ground
not connected
DDC/I2C data
Horizontal Sycn
Vertical Sycn
DDC/I2C Clock