Enhanced Graphics Adapter - HP Vectra Technical Reference Manual

B.2.12 Keyboard Buffer Pointers
These pointers indicate where in memory the keyboard buffer is as opposed to the current access
points to the buffer stored in the pointers above. This allows an application to move and enlarge
the keyboard buffer.
Pointer to physical start of keyboard
buffer
Pointer to physical end of keyboard
buffer
B.2.13 Enhanced Graphics Adapter (EGA) Data Area
This data area is used by the optional EGA driver when present.
40:084H
01
S40__ EG~CRT __ROVV__CNT Number of crt rows minus one
40:085H
02 S40__
EG~CHALSIZE Number of bytes per character in font
table
40:087H
01 S40__
EG~1
NFO 1
EGA miscellaneous information
40:088H
01 S40__ EG~INF02 EGA miscellaneous information
40:089H
02 Reserved
B.2.14 Flexible Disc Rate Area
This data area is used by the flexible disc driver to optimize performance on the 1.2mb drives by
keeping track of the last data rate selected for disc access.
Last data rate selected
360 Memory Map