Video Electronics Standards Association
Monitor Timing
Specifications
VESA and Industry Standards and Guidelines
for Computer Display Monitor Timing
Version 1.0, Revision 0.8
Adoption Date: September 17, 1998
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VESA Monitor Timing Specifications Version 1.0 Rev. 0.8
Resolution
Refresh
Rate
Horizontal
Frequency
Pixel
Frequency
Standard
Type
Original
Document #
Standard
Date
Standards and Guidelines Summary
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Intellectual Property
VESA Monitor Timing Specifications Version 1.0 Rev. 0.8
Trademarks
.Patents
Support
Revision History
Contents
V
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A
M
o
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VESA MONITOR TIMING STANDARD
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8;
NONINTERLACED;
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s
H
o
r
S
y
n
c
S
t
a
r
t
=
2
1
.
3
3
3
;
/
/
(
u
s
e
c
)
=
8
4
c
h
a
r
s
=
6
7
2
P
i
x
e
l
s
/
/
H
R
i
g
h
t
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
0
P
i
x
e
l
s
/
/
H
F
r
o
n
t
P
o
r
c
h
=
1
.
0
1
6
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
3
2
P
i
x
e
l
s
H
o
r
S
y
n
c
T
i
m
e
=
2
.
0
3
2
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
6
4
P
i
x
e
l
s
/
/
H
B
a
c
k
P
o
r
c
h
=
3
.
0
4
8
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
9
6
P
i
x
e
l
s
/
/
H
L
e
f
t
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
0
P
i
x
e
l
s
V
e
r
T
o
t
a
l
T
i
m
e
=
1
1
.
7
5
4
;
/
/
(
m
s
e
c
)
=
4
4
5
l
i
n
e
s
H
T
–
(
1
.
0
6
x
H
A
)
V
e
r
A
d
d
r
T
i
m
e
=
9
.
2
4
4
;
/
/
(
m
s
e
c
)
=
3
5
0
l
i
n
e
s
=
4
.
8
8
V
e
r
B
l
a
n
k
S
t
a
r
t
=
9
.
2
4
4
;
/
/
(
m
s
e
c
)
=
3
5
0
l
i
n
e
s
V
e
r
B
l
a
n
k
T
i
m
e
=
2
.
5
0
9
;
/
/
(
m
s
e
c
)
=
9
5
l
i
n
e
s
V
e
r
S
y
n
c
S
t
a
r
t
=
1
0
.
0
9
0
;
/
/
(
m
s
e
c
)
=
3
8
2
l
i
n
e
s
/
/
V
B
o
t
t
o
m
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
F
r
o
n
t
P
o
r
c
h
=
0
.
8
4
5
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
V
e
r
S
y
n
c
T
i
m
e
=
0
.
0
7
9
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
B
a
c
k
P
o
r
c
h
=
1
.
5
8
5
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
T
o
p
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
“
A
c
t
i
v
e
”
V
i
d
e
o
B
l
a
n
k
i
n
g
V
i
d
e
o
B
a
c
k
T
o
p
/
L
e
f
t
"
A
d
d
r
e
s
s
a
b
l
e
"
V
i
d
e
o
B
o
t
t
o
m
/
R
i
g
h
t
F
r
o
n
t
B
a
c
k
S
y
n
c
P
o
r
c
h
B
o
r
d
e
r
(
A
d
d
r
T
i
m
e
)
B
o
r
d
e
r
P
o
r
c
h
S
y
n
c
P
o
r
c
h
H
S
y
n
c
V
S
y
n
c
B
l
a
n
k
S
t
a
r
t
B
l
a
n
k
T
i
m
e
S
y
n
c
S
t
a
r
t
S
y
n
c
T
i
m
e
VESA Monitor Timing Specifications Version 1.0 Rev 0.8
VESA MONITOR TIMING STANDARD
640 x 400 @ 85Hz;
640;
400;
31.500;
8;
NONINTERLACED;
NEGATIVE;
POSITIVE;
0
4
8
12
0
0
1
3
41
0
Definition of Terms
V
E
S
A
M
o
n
i
t
o
r
T
i
m
i
n
g
S
t
a
n
d
a
r
d
C
o
p
y
r
i
g
h
t
1
9
9
4
-
1
9
9
8
V
i
d
e
o
E
l
e
c
t
r
o
n
i
c
s
S
t
a
n
d
a
r
d
s
A
s
s
o
c
i
a
t
i
o
n
V
e
r
s
i
o
n
1
.
0
R
e
v
0
.
8
P
g
.
5
o
f
3
7
P
r
o
p
o
s
e
d
:
5
/
7
/
9
5
A
d
o
p
t
e
d
:
3
/
1
/
9
6
R
e
s
o
l
u
t
i
o
n
:
6
4
0
x
4
0
0
a
t
8
5
H
z
(
n
o
n
-
i
n
t
e
r
l
a
c
e
d
)
E
D
I
D
I
D
:
n
/
a
V
i
d
e
o
D
i
s
p
l
a
y
I
n
f
o
r
m
a
t
i
o
n
F
o
r
m
a
t
(
V
D
I
F
)
P
r
e
A
d
j
u
s
t
e
d
T
i
m
i
n
g
D
a
t
a
T
i
m
i
n
g
N
a
m
e
=
H
o
r
P
i
x
e
l
s
=
/
/
P
i
x
e
l
s
V
e
r
P
i
x
e
l
s
=
/
/
L
i
n
e
s
H
o
r
F
r
e
q
u
e
n
c
y
=
3
7
.
8
6
1
;
/
/
K
H
z
=
2
6
.
4
u
s
e
c
/
l
i
n
e
V
e
r
F
r
e
q
u
e
n
c
y
=
8
5
.
0
8
0
;
/
/
H
z
=
1
1
.
8
m
s
e
c
/
f
r
a
m
e
P
i
x
e
l
C
l
o
c
k
=
/
/
M
H
z
=
3
1
.
7
n
s
e
c
±
0
.
5
%
C
h
a
r
a
c
t
e
r
W
i
d
t
h
=
/
/
P
i
x
e
l
s
=
2
5
4
.
0
n
s
e
c
S
c
a
n
T
y
p
e
=
/
/
H
P
h
a
s
e
=
3
.
8
%
H
o
r
S
y
n
c
P
o
l
a
r
i
t
y
=
/
/
H
B
l
a
n
k
=
2
3
.
1
%
o
f
H
T
o
t
a
l
V
e
r
S
y
n
c
P
o
l
a
r
i
t
y
=
/
/
V
B
l
a
n
k
=
1
0
.
1
%
o
f
V
T
o
t
a
l
H
o
r
T
o
t
a
l
T
i
m
e
=
2
6
.
4
1
3
;
/
/
(
u
s
e
c
)
=
1
0
4
c
h
a
r
s
=
8
3
2
P
i
x
e
l
s
H
o
r
A
d
d
r
T
i
m
e
=
2
0
.
3
1
7
;
/
/
(
u
s
e
c
)
=
8
0
c
h
a
r
s
=
6
4
0
P
i
x
e
l
s
H
o
r
B
l
a
n
k
S
t
a
r
t
=
2
0
.
3
1
7
;
/
/
(
u
s
e
c
)
=
8
0
c
h
a
r
s
=
6
4
0
P
i
x
e
l
s
H
o
r
B
l
a
n
k
T
i
m
e
=
6
.
0
9
5
;
/
/
(
u
s
e
c
)
=
2
4
c
h
a
r
s
=
1
9
2
P
i
x
e
l
s
H
o
r
S
y
n
c
S
t
a
r
t
=
2
1
.
3
3
3
;
/
/
(
u
s
e
c
)
=
8
4
c
h
a
r
s
=
6
7
2
P
i
x
e
l
s
/
/
H
R
i
g
h
t
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
0
P
i
x
e
l
s
/
/
H
F
r
o
n
t
P
o
r
c
h
=
1
.
0
1
6
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
3
2
P
i
x
e
l
s
H
o
r
S
y
n
c
T
i
m
e
=
2
.
0
3
2
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
6
4
P
i
x
e
l
s
/
/
H
B
a
c
k
P
o
r
c
h
=
3
.
0
4
8
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
9
6
P
i
x
e
l
s
/
/
H
L
e
f
t
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
0
P
i
x
e
l
s
V
e
r
T
o
t
a
l
T
i
m
e
=
1
1
.
7
5
4
;
/
/
(
m
s
e
c
)
=
4
4
5
l
i
n
e
s
H
T
–
(
1
.
0
6
x
H
A
)
V
e
r
A
d
d
r
T
i
m
e
=
1
0
.
5
6
5
;
/
/
(
m
s
e
c
)
=
4
0
0
l
i
n
e
s
=
4
.
8
8
V
e
r
B
l
a
n
k
S
t
a
r
t
=
1
0
.
5
6
5
;
/
/
(
m
s
e
c
)
=
4
0
0
l
i
n
e
s
V
e
r
B
l
a
n
k
T
i
m
e
=
1
.
1
8
9
;
/
/
(
m
s
e
c
)
=
4
5
l
i
n
e
s
V
e
r
S
y
n
c
S
t
a
r
t
=
1
0
.
5
9
1
;
/
/
(
m
s
e
c
)
=
4
0
1
l
i
n
e
s
/
/
V
B
o
t
t
o
m
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
F
r
o
n
t
P
o
r
c
h
=
0
.
0
2
6
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
V
e
r
S
y
n
c
T
i
m
e
=
0
.
0
7
9
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
B
a
c
k
P
o
r
c
h
=
1
.
0
8
3
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
T
o
p
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
“
A
c
t
i
v
e
”
V
i
d
e
o
B
l
a
n
k
i
n
g
V
i
d
e
o
B
a
c
k
T
o
p
/
L
e
f
t
"
A
d
d
r
e
s
s
a
b
l
e
"
V
i
d
e
o
B
o
t
t
o
m
/
R
i
g
h
t
F
r
o
n
t
B
a
c
k
S
y
n
c
P
o
r
c
h
B
o
r
d
e
r
(
A
d
d
r
T
i
m
e
)
B
o
r
d
e
r
P
o
r
c
h
S
y
n
c
P
o
r
c
h
H
S
y
n
c
V
S
y
n
c
B
l
a
n
k
S
t
a
r
t
B
l
a
n
k
T
i
m
e
S
y
n
c
S
t
a
r
t
S
y
n
c
T
i
m
e
VESA Monitor Timing Specifications Version 1.0 Rev 0.8
VESA MONITOR TIMING STANDARD
720 x 400 @ 85Hz;
720;
400;
35.500;
9;
NONINTERLACED;
NEGATIVE;
POSITIVE;
0
4
8
12
0
0
1
3
42
0
Definition of Terms
V
E
S
A
M
o
n
i
t
o
r
T
i
m
i
n
g
S
t
a
n
d
a
r
d
C
o
p
y
r
i
g
h
t
1
9
9
4
-
1
9
9
8
V
i
d
e
o
E
l
e
c
t
r
o
n
i
c
s
S
t
a
n
d
a
r
d
s
A
s
s
o
c
i
a
t
i
o
n
V
e
r
s
i
o
n
1
.
0
R
e
v
0
.
8
P
g
.
6
o
f
3
7
P
r
o
p
o
s
e
d
:
5
/
7
/
9
5
A
d
o
p
t
e
d
:
3
/
1
/
9
6
R
e
s
o
l
u
t
i
o
n
:
7
2
0
x
4
0
0
a
t
8
5
H
z
(
n
o
n
-
i
n
t
e
r
l
a
c
e
d
)
E
D
I
D
I
D
:
n
/
a
V
i
d
e
o
D
i
s
p
l
a
y
I
n
f
o
r
m
a
t
i
o
n
F
o
r
m
a
t
(
V
D
I
F
)
P
r
e
A
d
j
u
s
t
e
d
T
i
m
i
n
g
D
a
t
a
T
i
m
i
n
g
N
a
m
e
=
H
o
r
P
i
x
e
l
s
=
/
/
P
i
x
e
l
s
V
e
r
P
i
x
e
l
s
=
/
/
L
i
n
e
s
H
o
r
F
r
e
q
u
e
n
c
y
=
3
7
.
9
2
7
;
/
/
K
H
z
=
2
6
.
4
u
s
e
c
/
l
i
n
e
V
e
r
F
r
e
q
u
e
n
c
y
=
8
5
.
0
3
9
;
/
/
H
z
=
1
1
.
8
m
s
e
c
/
f
r
a
m
e
P
i
x
e
l
C
l
o
c
k
=
/
/
M
H
z
=
2
8
.
2
n
s
e
c
±
0
.
5
%
C
h
a
r
a
c
t
e
r
W
i
d
t
h
=
/
/
P
i
x
e
l
s
=
2
5
3
.
5
n
s
e
c
S
c
a
n
T
y
p
e
=
/
/
H
P
h
a
s
e
=
3
.
8
%
H
o
r
S
y
n
c
P
o
l
a
r
i
t
y
=
/
/
H
B
l
a
n
k
=
2
3
.
1
%
o
f
H
T
o
t
a
l
V
e
r
S
y
n
c
P
o
l
a
r
i
t
y
=
/
/
V
B
l
a
n
k
=
1
0
.
3
%
o
f
V
T
o
t
a
l
H
o
r
T
o
t
a
l
T
i
m
e
=
2
6
.
3
6
6
;
/
/
(
u
s
e
c
)
=
1
0
4
c
h
a
r
s
=
9
3
6
P
i
x
e
l
s
H
o
r
A
d
d
r
T
i
m
e
=
2
0
.
2
8
2
;
/
/
(
u
s
e
c
)
=
8
0
c
h
a
r
s
=
7
2
0
P
i
x
e
l
s
H
o
r
B
l
a
n
k
S
t
a
r
t
=
2
0
.
2
8
2
;
/
/
(
u
s
e
c
)
=
8
0
c
h
a
r
s
=
7
2
0
P
i
x
e
l
s
H
o
r
B
l
a
n
k
T
i
m
e
=
6
.
0
8
5
;
/
/
(
u
s
e
c
)
=
2
4
c
h
a
r
s
=
2
1
6
P
i
x
e
l
s
H
o
r
S
y
n
c
S
t
a
r
t
=
2
1
.
2
9
6
;
/
/
(
u
s
e
c
)
=
8
4
c
h
a
r
s
=
7
5
6
P
i
x
e
l
s
/
/
H
R
i
g
h
t
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
0
P
i
x
e
l
s
/
/
H
F
r
o
n
t
P
o
r
c
h
=
1
.
0
1
4
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
3
6
P
i
x
e
l
s
H
o
r
S
y
n
c
T
i
m
e
=
2
.
0
2
8
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
7
2
P
i
x
e
l
s
/
/
H
B
a
c
k
P
o
r
c
h
=
3
.
0
4
2
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
1
0
8
P
i
x
e
l
s
/
/
H
L
e
f
t
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
0
P
i
x
e
l
s
V
e
r
T
o
t
a
l
T
i
m
e
=
1
1
.
7
5
9
;
/
/
(
m
s
e
c
)
=
4
4
6
l
i
n
e
s
H
T
–
(
1
.
0
6
x
H
A
)
V
e
r
A
d
d
r
T
i
m
e
=
1
0
.
5
4
6
;
/
/
(
m
s
e
c
)
=
4
0
0
l
i
n
e
s
=
4
.
8
7
V
e
r
B
l
a
n
k
S
t
a
r
t
=
1
0
.
5
4
6
;
/
/
(
m
s
e
c
)
=
4
0
0
l
i
n
e
s
V
e
r
B
l
a
n
k
T
i
m
e
=
1
.
2
1
3
;
/
/
(
m
s
e
c
)
=
4
6
l
i
n
e
s
V
e
r
S
y
n
c
S
t
a
r
t
=
1
0
.
5
7
3
;
/
/
(
m
s
e
c
)
=
4
0
1
l
i
n
e
s
/
/
V
B
o
t
t
o
m
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
F
r
o
n
t
P
o
r
c
h
=
0
.
0
2
6
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
V
e
r
S
y
n
c
T
i
m
e
=
0
.
0
7
9
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
B
a
c
k
P
o
r
c
h
=
1
.
1
0
7
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
T
o
p
B
o
r
d
e
r
=
0
.
0
0
0
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
“
A
c
t
i
v
e
”
V
i
d
e
o
B
l
a
n
k
i
n
g
V
i
d
e
o
B
a
c
k
T
o
p
/
L
e
f
t
"
A
d
d
r
e
s
s
a
b
l
e
"
V
i
d
e
o
B
o
t
t
o
m
/
R
i
g
h
t
F
r
o
n
t
B
a
c
k
S
y
n
c
P
o
r
c
h
B
o
r
d
e
r
(
A
d
d
r
T
i
m
e
)
B
o
r
d
e
r
P
o
r
c
h
S
y
n
c
P
o
r
c
h
H
S
y
n
c
V
S
y
n
c
B
l
a
n
k
S
t
a
r
t
B
l
a
n
k
T
i
m
e
S
y
n
c
S
t
a
r
t
S
y
n
c
T
i
m
e
VESA Monitor Timing Specifications Version 1.0 Rev 0.8
VESA MONITOR TIMING STANDARD
** For Reference Only - Not VESA Standard **
640 x 480 @ 60Hz;
640;
480;
25.175;
8;
NONINTERLACED;
NEGATIVE;
NEGATIVE;
1
1
12
5
1
8
2
2
25
8
Definition of Terms
V
E
S
A
M
o
n
i
t
o
r
T
i
m
i
n
g
S
t
a
n
d
a
r
d
C
o
p
y
r
i
g
h
t
1
9
9
4
-
1
9
9
8
V
i
d
e
o
E
l
e
c
t
r
o
n
i
c
s
S
t
a
n
d
a
r
d
s
A
s
s
o
c
i
a
t
i
o
n
V
e
r
s
i
o
n
1
.
0
R
e
v
0
.
8
P
g
.
7
o
f
3
7
A
d
o
p
t
e
d
:
n
/
a
R
e
s
o
l
u
t
i
o
n
:
6
4
0
x
4
8
0
a
t
6
0
H
z
(
n
o
n
-
i
n
t
e
r
l
a
c
e
d
)
E
D
I
D
I
D
:
0
3
1
h
,
0
4
0
h
B
I
O
S
M
o
d
e
s
:
1
1
h
,
1
2
h
,
1
0
1
h
,
1
1
0
h
,
1
1
1
h
,
&
1
1
2
h
(
1
,
4
,
8
,
1
5
,
1
6
,
&
2
4
b
p
p
)
V
i
d
e
o
D
i
s
p
l
a
y
I
n
f
o
r
m
a
t
i
o
n
F
o
r
m
a
t
(
V
D
I
F
)
P
r
e
A
d
j
u
s
t
e
d
T
i
m
i
n
g
D
a
t
a
T
i
m
i
n
g
N
a
m
e
=
H
o
r
P
i
x
e
l
s
=
/
/
P
i
x
e
l
s
V
e
r
P
i
x
e
l
s
=
/
/
L
i
n
e
s
H
o
r
F
r
e
q
u
e
n
c
y
=
3
1
.
4
6
9
;
/
/
K
H
z
=
3
1
.
8
u
s
e
c
/
l
i
n
e
V
e
r
F
r
e
q
u
e
n
c
y
=
5
9
.
9
4
0
;
/
/
H
z
=
1
6
.
7
m
s
e
c
/
f
r
a
m
e
P
i
x
e
l
C
l
o
c
k
=
/
/
M
H
z
=
3
9
.
7
n
s
e
c
±
0
.
5
%
C
h
a
r
a
c
t
e
r
W
i
d
t
h
=
/
/
P
i
x
e
l
s
=
3
1
7
.
8
n
s
e
c
S
c
a
n
T
y
p
e
=
/
/
H
P
h
a
s
e
=
2
.
0
%
H
o
r
S
y
n
c
P
o
l
a
r
i
t
y
=
/
/
H
B
l
a
n
k
=
1
8
.
0
%
o
f
H
T
o
t
a
l
V
e
r
S
y
n
c
P
o
l
a
r
i
t
y
=
/
/
V
B
l
a
n
k
=
5
.
5
%
o
f
V
T
o
t
a
l
H
o
r
T
o
t
a
l
T
i
m
e
=
3
1
.
7
7
8
;
/
/
(
u
s
e
c
)
=
1
0
0
c
h
a
r
s
=
8
0
0
P
i
x
e
l
s
H
o
r
A
d
d
r
T
i
m
e
=
2
5
.
4
2
2
;
/
/
(
u
s
e
c
)
=
8
0
c
h
a
r
s
=
6
4
0
P
i
x
e
l
s
H
o
r
B
l
a
n
k
S
t
a
r
t
=
2
5
.
7
4
0
;
/
/
(
u
s
e
c
)
=
8
1
c
h
a
r
s
=
6
4
8
P
i
x
e
l
s
H
o
r
B
l
a
n
k
T
i
m
e
=
5
.
7
2
0
;
/
/
(
u
s
e
c
)
=
1
8
c
h
a
r
s
=
1
4
4
P
i
x
e
l
s
H
o
r
S
y
n
c
S
t
a
r
t
=
2
6
.
0
5
8
;
/
/
(
u
s
e
c
)
=
8
2
c
h
a
r
s
=
6
5
6
P
i
x
e
l
s
/
/
H
R
i
g
h
t
B
o
r
d
e
r
=
0
.
3
1
8
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
8
P
i
x
e
l
s
/
/
H
F
r
o
n
t
P
o
r
c
h
=
0
.
3
1
8
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
8
P
i
x
e
l
s
H
o
r
S
y
n
c
T
i
m
e
=
3
.
8
1
3
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
9
6
P
i
x
e
l
s
/
/
H
B
a
c
k
P
o
r
c
h
=
1
.
5
8
9
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
4
0
P
i
x
e
l
s
/
/
H
L
e
f
t
B
o
r
d
e
r
=
0
.
3
1
8
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
8
P
i
x
e
l
s
V
e
r
T
o
t
a
l
T
i
m
e
=
1
6
.
6
8
3
;
/
/
(
m
s
e
c
)
=
5
2
5
l
i
n
e
s
H
T
–
(
1
.
0
6
x
H
A
)
V
e
r
A
d
d
r
T
i
m
e
=
1
5
.
2
5
3
;
/
/
(
m
s
e
c
)
=
4
8
0
l
i
n
e
s
=
4
.
8
3
V
e
r
B
l
a
n
k
S
t
a
r
t
=
1
5
.
5
0
7
;
/
/
(
m
s
e
c
)
=
4
8
8
l
i
n
e
s
V
e
r
B
l
a
n
k
T
i
m
e
=
0
.
9
2
2
;
/
/
(
m
s
e
c
)
=
2
9
l
i
n
e
s
V
e
r
S
y
n
c
S
t
a
r
t
=
1
5
.
5
7
1
;
/
/
(
m
s
e
c
)
=
4
9
0
l
i
n
e
s
/
/
V
B
o
t
t
o
m
B
o
r
d
e
r
=
0
.
2
5
4
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
F
r
o
n
t
P
o
r
c
h
=
0
.
0
6
4
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
V
e
r
S
y
n
c
T
i
m
e
=
0
.
0
6
4
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
B
a
c
k
P
o
r
c
h
=
0
.
7
9
4
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
T
o
p
B
o
r
d
e
r
=
0
.
2
5
4
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
“
A
c
t
i
v
e
”
V
i
d
e
o
B
l
a
n
k
i
n
g
V
i
d
e
o
B
a
c
k
T
o
p
/
L
e
f
t
"
A
d
d
r
e
s
s
a
b
l
e
"
V
i
d
e
o
B
o
t
t
o
m
/
R
i
g
h
t
F
r
o
n
t
B
a
c
k
S
y
n
c
P
o
r
c
h
B
o
r
d
e
r
(
A
d
d
r
T
i
m
e
)
B
o
r
d
e
r
P
o
r
c
h
S
y
n
c
P
o
r
c
h
H
S
y
n
c
V
S
y
n
c
B
l
a
n
k
S
t
a
r
t
B
l
a
n
k
T
i
m
e
S
y
n
c
S
t
a
r
t
S
y
n
c
T
i
m
e
VESA Monitor Timing Specifications Version 1.0 Rev 0.8
VESA MONITOR TIMING STANDARD
640 x 480 @ 72Hz;
640;
480;
31.500;
8;
NONINTERLACED;
NEGATIVE;
NEGATIVE;
1
2
5
15
1
8
1
3
20
8
Definition of Terms
V
E
S
A
M
o
n
i
t
o
r
T
i
m
i
n
g
S
t
a
n
d
a
r
d
C
o
p
y
r
i
g
h
t
1
9
9
4
-
1
9
9
8
V
i
d
e
o
E
l
e
c
t
r
o
n
i
c
s
S
t
a
n
d
a
r
d
s
A
s
s
o
c
i
a
t
i
o
n
V
e
r
s
i
o
n
1
.
0
R
e
v
0
.
8
P
g
.
8
o
f
3
7
A
d
o
p
t
e
d
:
1
1
/
1
1
/
9
0
(
V
E
S
A
#
9
0
1
1
0
1
)
R
e
s
o
l
u
t
i
o
n
:
6
4
0
x
4
8
0
a
t
7
2
H
z
(
n
o
n
-
i
n
t
e
r
l
a
c
e
d
)
E
D
I
D
I
D
:
0
3
1
h
,
0
4
C
h
B
I
O
S
M
o
d
e
s
:
1
1
h
,
1
2
h
,
1
0
1
h
,
1
1
0
h
,
1
1
1
h
,
&
1
1
2
h
(
1
,
4
,
8
,
1
5
,
1
6
,
&
2
4
b
p
p
)
V
i
d
e
o
D
i
s
p
l
a
y
I
n
f
o
r
m
a
t
i
o
n
F
o
r
m
a
t
(
V
D
I
F
)
P
r
e
A
d
j
u
s
t
e
d
T
i
m
i
n
g
D
a
t
a
T
i
m
i
n
g
N
a
m
e
=
H
o
r
P
i
x
e
l
s
=
/
/
P
i
x
e
l
s
V
e
r
P
i
x
e
l
s
=
/
/
L
i
n
e
s
H
o
r
F
r
e
q
u
e
n
c
y
=
3
7
.
8
6
1
;
/
/
K
H
z
=
2
6
.
4
u
s
e
c
/
l
i
n
e
V
e
r
F
r
e
q
u
e
n
c
y
=
7
2
.
8
0
9
;
/
/
H
z
=
1
3
.
7
m
s
e
c
/
f
r
a
m
e
P
i
x
e
l
C
l
o
c
k
=
/
/
M
H
z
=
3
1
.
7
n
s
e
c
±
0
.
5
%
C
h
a
r
a
c
t
e
r
W
i
d
t
h
=
/
/
P
i
x
e
l
s
=
2
5
4
.
0
n
s
e
c
S
c
a
n
T
y
p
e
=
/
/
H
P
h
a
s
e
=
6
.
3
%
H
o
r
S
y
n
c
P
o
l
a
r
i
t
y
=
/
/
H
B
l
a
n
k
=
2
1
.
2
%
o
f
H
T
o
t
a
l
V
e
r
S
y
n
c
P
o
l
a
r
i
t
y
=
/
/
V
B
l
a
n
k
=
4
.
6
%
o
f
V
T
o
t
a
l
H
o
r
T
o
t
a
l
T
i
m
e
=
2
6
.
4
1
3
;
/
/
(
u
s
e
c
)
=
1
0
4
c
h
a
r
s
=
8
3
2
P
i
x
e
l
s
H
o
r
A
d
d
r
T
i
m
e
=
2
0
.
3
1
7
;
/
/
(
u
s
e
c
)
=
8
0
c
h
a
r
s
=
6
4
0
P
i
x
e
l
s
H
o
r
B
l
a
n
k
S
t
a
r
t
=
2
0
.
5
7
1
;
/
/
(
u
s
e
c
)
=
8
1
c
h
a
r
s
=
6
4
8
P
i
x
e
l
s
H
o
r
B
l
a
n
k
T
i
m
e
=
5
.
5
8
7
;
/
/
(
u
s
e
c
)
=
2
2
c
h
a
r
s
=
1
7
6
P
i
x
e
l
s
H
o
r
S
y
n
c
S
t
a
r
t
=
2
1
.
0
7
9
;
/
/
(
u
s
e
c
)
=
8
3
c
h
a
r
s
=
6
6
4
P
i
x
e
l
s
/
/
H
R
i
g
h
t
B
o
r
d
e
r
=
0
.
2
5
4
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
8
P
i
x
e
l
s
/
/
H
F
r
o
n
t
P
o
r
c
h
=
0
.
5
0
8
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
1
6
P
i
x
e
l
s
H
o
r
S
y
n
c
T
i
m
e
=
1
.
2
7
0
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
4
0
P
i
x
e
l
s
/
/
H
B
a
c
k
P
o
r
c
h
=
3
.
8
1
0
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
1
2
0
P
i
x
e
l
s
/
/
H
L
e
f
t
B
o
r
d
e
r
=
0
.
2
5
4
;
/
/
(
u
s
e
c
)
=
c
h
a
r
s
=
8
P
i
x
e
l
s
V
e
r
T
o
t
a
l
T
i
m
e
=
1
3
.
7
3
5
;
/
/
(
m
s
e
c
)
=
5
2
0
l
i
n
e
s
H
T
–
(
1
.
0
6
x
H
A
)
V
e
r
A
d
d
r
T
i
m
e
=
1
2
.
6
7
8
;
/
/
(
m
s
e
c
)
=
4
8
0
l
i
n
e
s
=
4
.
8
8
V
e
r
B
l
a
n
k
S
t
a
r
t
=
1
2
.
8
8
9
;
/
/
(
m
s
e
c
)
=
4
8
8
l
i
n
e
s
V
e
r
B
l
a
n
k
T
i
m
e
=
0
.
6
3
4
;
/
/
(
m
s
e
c
)
=
2
4
l
i
n
e
s
V
e
r
S
y
n
c
S
t
a
r
t
=
1
2
.
9
1
6
;
/
/
(
m
s
e
c
)
=
4
8
9
l
i
n
e
s
/
/
V
B
o
t
t
o
m
B
o
r
d
e
r
=
0
.
2
1
1
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
F
r
o
n
t
P
o
r
c
h
=
0
.
0
2
6
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
V
e
r
S
y
n
c
T
i
m
e
=
0
.
0
7
9
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
B
a
c
k
P
o
r
c
h
=
0
.
5
2
8
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
/
/
V
T
o
p
B
o
r
d
e
r
=
0
.
2
1
1
;
/
/
(
m
s
e
c
)
=
l
i
n
e
s
“
A
c
t
i
v
e
”
V
i
d
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o
B
l
a
n
k
i
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V
i
d
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o
B
a
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k
T
o
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/
L
e
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t
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A
d
d
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e
s
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V
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t
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R
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B
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P
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h
B
o
r
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r
(
A
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