ALXD800EEXJ2VC C3 AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VC C3 Datasheet - Page 361
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ALXD800EEXJ2VC C3
Manufacturer Part Number
ALXD800EEXJ2VC C3
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.ALXD800EEXJ2VC_C3.pdf
(680 pages)
Specifications of ALXD800EEXJ2VC C3
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
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Display Controller Register Descriptions
6.6.19
The CRTC registers are accessed by writing an index value to the CRTC Index register (3B4h or 3D4h) and reading or writ-
ing the register using the CRTC Data register (3B5h or 3D5h). See the description of the I/O Address Select bit in the Mis-
cellaneous Output register (Section 6.6.17.1 on page 356) for more information on the I/O address of the CRTC registers.
The CRT timings are controlled by the CRT Controller registers when the VGA is active. Various third-party VGA adapters
implement these registers differently, and so different cards can produce different timings with the same settings. The set-
tings shown in Table 6-53 are recommended for various VGA modes when programming the CRTC registers.
Note: The Extended VGA Registers are accessed through the CRTC interface. This section only discusses the base VGA
AMD Geode™ LX Processors Data Book
Index
10
11
12
13
14
15
16
17
18
A
B
C
D
E
0
1
2
3
4
5
6
7
8
9
F
registers, however. See Section 6.6.23 "VGA Block Extended Registers" on page 384 for more information on the
extended registers.
VGA CRT Controller Registers
2D
BF
0D
8D
00
27
28
90
29
8E
1F
00
4F
0E
00
00
00
00
9B
8F
14
1F
97
B9
A3
FF
2D
8E
BF
0D
0E
9B
8D
B9
A3
FF
01
27
28
90
29
1F
00
4F
00
00
00
00
8F
14
1F
97
BF
0D
8D
5F
4F
9E
1F
4F
0E
9B
8F
1F
B9
A3
FF
02
50
82
51
00
00
00
00
00
28
97
BF
0D
8D
03
5F
4F
50
82
51
9E
1F
00
4F
0E
00
00
00
00
9B
8F
28
1F
97
B9
A3
FF
Table 6-53. CRTC Register Settings
2D
8E
BF
C1
9B
8D
B9
A2
FF
04
27
28
90
29
1F
00
00
00
00
00
00
00
8F
14
00
97
2D
BF
C1
8D
8E
1F
9B
8F
B9
A2
FF
05
27
28
90
29
00
00
00
00
00
00
00
14
00
97
9E
BF
C1
9B
8D
B9
C2
06
5F
4F
50
82
51
1F
00
00
00
00
00
00
00
8F
28
00
97
FF
VGA Mode
9E
BF
0D
0E
9B
8D
B9
A3
FF
07
5F
4F
50
82
51
1F
00
4F
00
00
00
00
8F
28
0F
97
0D
2D
BF
C0
8D
8E
1F
9B
8F
B9
E3
FF
27
28
90
29
00
00
00
00
00
00
00
14
00
97
0E
9E
BF
C0
8D
B9
E3
FF
5F
4F
50
82
51
1F
00
00
00
00
00
00
00
9B
8F
28
00
97
9E
BF
5D
B9
E3
FF
0F
5F
4F
50
82
51
1F
00
40
00
00
00
00
00
00
83
85
28
0F
65
33234H
BF
5D
5F
4F
9E
1F
0F
B9
E3
FF
10
50
82
51
00
40
00
00
00
00
00
00
83
85
28
65
9E
0B
3E
E9
8B
DF
E7
C3
FF
11
5F
4F
50
82
51
00
40
00
00
00
00
00
00
28
00
04
DF
5F
4F
9E
0B
3E
E9
8B
E7
E3
FF
12
50
82
51
00
40
00
00
00
00
00
00
28
00
04
BF
8D
5F
4F
9E
1F
9B
8F
B9
A3
FF
13
50
82
51
00
41
00
00
00
00
00
00
28
40
98
361
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