The POST rou tines in the BIOS will de ter mine the amount of base (con ven tional) mem ory in stalled
in the sys tem. The value of the base mem ory is typi cally 640K for sys tems with a Mega byte of mem ory
or greater.
Ex tended Mem ory
The BIOS de ter mines how much ex tended mem ory is pres ent dur ing the POST. This is the amount
of mem ory lo cated above 1MB in the CPU's mem ory ad dress space.
Other Mem ory
This re fers to mem ory lo cated in the 640K to 1024K ad dress space. This is mem ory that can be u sed
for dif fer ent ap pli ca tions. DOS may use this area to load de vice driv ers and TSRs to keep a s much base
mem ory free as pos si ble for ap pli ca tion pro grams. The most com mon use of this area is for shadow
RAM.
Page 3-6
EBC-LP OPERATIONS MANUAL
030530
WinSystems
- "The Embedded Authority"
ROM PCI/ISA BIOS (2A59IA2N)
BIOS FEATURES SETUP
Award SOFTWARE, INC.
Virus Warning : Disabled Video BIOS Shadow : Enabled
CPU Internal Cache : Enabled C8000-CBFFF Shadow : Disabled
External Cache : Enabled CC000-CFFFF Shadow : Disabled
Quick Power On Self Test : Enabled D0000-D3FFF Shadow : Disabled
Boot Sequence : A,C,SCSI D4000-D7FFF Shadow : Disabled
Swap Floppy Drive : Disabled D8000-DBFFF Shadow : Disabled
Boot Up Floppy Seek : Disabled DC000-DFFFF Shadow : Disabled
Boot Up NumLock Status : On
Boot Up System Speed : High
Gate A20 Option : Fast
Typematic Rate Setting : Disabled
Typematic Rate (Chars/Sec) : 6
Typematic Delay (Msec) : 250
Security Option : Setup
PCI/VGA Palette Snoop : Disabled
Assign IRQ For VGA : Disabled
OS Select For DRAM>64MB : Non-OS2
Report No FDD For Win 95 : Yes
ESC : Quit : Select Item
F1 : Help PU/PD/+/- : Modify
F5 : Old Value Shift F2 : Color
F6 : Load BIOS Defaults
F7 : Load Setup Defaults
↑ ↓ → ←
Summary of Contents for EBC-LP
Page 68: ...APPENDIX C Mechanical Drawing...
Page 69: ......
Page 70: ......
Page 71: ...APPENDIX D WS16C48 I O Routines and Sample Program Listings...