Memory Map; Upper Memory Block Space; Dos Conventional Memory - HP OmniBook 300 Service Manual

Memory Map

300/425
SYSTEM BIOS
F
VGA BIOS
ROM
E
DOS
PCMCIA
D
UMB SPACE
C
VGA RAM
B
VGA RAM
A

Upper Memory Block Space

UMB Space Available

DOS Conventional Memory

Windows DOS Box
(with LapLink Remote)
Exit Windows (with out
LapLink Remote)
68
430
SYSTEM BIOS
VGA BIOS
UMB SPACE
OB300/425 OB430
64k 64k + 32k
OB300 OB425
315 KB 315
435 KB 435
430
PCMCIA
UMB
SPACE
OB530
112k contiguous
OB430 OB530
505 404
533 437