Table 6-56. Graphics Controller Registers Summary - AMD Geode LX 600@0.7W Data Book

Display Controller Register Descriptions
6.6.19.30 Attribute Index State
Index 26h
Type RO
Reset Value xxh
Bit Name
7:6 RSVD
5:0 ATT_IN_VA
6.6.20 VGA Graphics Controller Registers
The graphics controller registers are accessed by writing an index value to the Graphics Controller Index register (Index
Address 3CEh) and reading or writing the register using the Graphics Controller Data register (Data Address 3CFh).
Index Type
-- R/W
-- R/W
00h R/W
01h R/W
02h R/W
03h R/W
04h R/W
05h R/W
06h R/W
07h R/W
08h R/W
6.6.20.1 VGA Graphics Controller Index
Index Address 3CEh
Type R/W
Reset Value xxh
Bit Name
7:4 RSVD
3:0 INDEX
AMD Geode™ LX Processors Data Book
Attribute Index State Register Bit Descriptions
Description
Reserved.
Attribute Index Value. This read only value indicates the value of Attribute Index regis-
ter bits [5:0] (Index 3C0h).

Table 6-56. Graphics Controller Registers Summary

Register
VGA Graphics Controller Index
VGA Graphics Controller Data
VGA Set/Reset
VGA Enable Set/Reset
VGA Color Compare
VGA Data Rotate
VGA Read Map Select
VGA Graphics Mode
VGA Miscellaneous
VGA Color Don't Care
VGA Bit Mask
VGA Graphics Controller Index Register Bit Descriptions
Description
Reserved.
Index.
33234H
Reset Value Reference
xxh Page 373
xxh Page 374
xxh Page 374
xxh Page 374
xxh Page 375
xxh Page 375
xxh Page 376
xxh Page 376
xxh Page 377
xxh Page 378
xxh Page 378
373