IBM developed
VGA in 1987 as one of the first computer video types to use analog signals.
The ability to display sharper images with height color depth is something
that, even today, is being constantly expanded upon. Signal type: analog.
1
Red
6
Red
Return
11
ID
Bit
2
Green
7
Green
Return
12
ID
Bit
3
Blue
8
Blue
Return
13
H
Sync
4
ID
Bit
9
No
Pin
14
V
Sync
5
N/C
10
Ground
15
ID
Bit
XGA/XGA-2
(IBM)
IBM developed XGA/XGA-2
(Extended Graphics Array) to provide a means to offer higher frequencies
and resolutions in the VGA domain. These standards utilize software and
ID bit termination to achieve these changes.