Software • BIOS options
224
Panel PC 800 User's Manual V1.30
1.13 Allocation of resources
Resource
(TOM - 192 kB) – TOM
1)
N.A.
ACPI reclaim, MPS and NVS area
2)
(TOM - 8 MB - 192 kB) – (TOM - 192 kB)
N.A.
VGA frame buffer
3)
1024 kB – (TOM - 8 MB - 192 kB)
100000h - N.A.
Extended memory
869 kB – 1024 kB
0E0000h - 0FFFFFh
Runtime BIOS
832 kB – 869 kB
0D0000h - 0DFFFFh
Upper memory
640 kB – 832 kB
0A0000h - 0CFFFFh
Video memory and BIOS
639 kB – 640 kB
09FC00h - 09FFFFh
Extended BIOS data
0 – 639 kB
000000h - 09FC00h
Conventional memory
Table 191: RAM address assignment
1)
TOM = Top of memory: max. installed DRAM.
2)
Only if ACPI Aware OS is set to "YES" in the setup.
3)
The VGA frame buffer can be reduced to 1 MB in the setup.
1.13.2 I/O address assignments
Resource
0000h - 00FFh
Motherboard resources
0170h - 0177h
Secondary IDE channel
01F0h - 01F7h
Primary IDE channel
0238h - 023Fh
COM5
0278h - 027Fh
Hardware security key (LPT2)
02E8h - 02EFh
COM4
0376h - 0376h
Secondary IDE channel command port
0377h - 0377h
Secondary IDE channel status port
0378h - 037Fh
Hardware security key (LPT1)
0384h - 0385h
CAN controller
03B0h - 03DFh
Video system
03E8h - 03EFh
COM3
03F6h - 03F6h
Primary IDE channel command port
03F7h - 03F7h
Primary IDE channel status port
03F8h - 03FFh
COM1
0480h - 04BFh
Motherboard resources
04D0h - 04D1h
Motherboard resources
0800h - 087Fh
Motherboard resources
0CF8h - 0CFBh
0CFCh - 0CFFh
PCI config data register
0D00h - FFFFh
PCI / PCI Express bus
1)
4100h - 417Fh
MTCX
FF00h - FF07h
IDE bus master register
Table 192: I/O address assignment
1)
The BIOS assigns the PCI and PCI Express bus I/O resources from FFF0h downward. Devices that are not compatible with PnP/PCI/PCI Express cannot
use the I/O resources in this range.
1.13.3 Interrupt assignments in PIC mode
IRQ
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NMI
NONE
System timer
●
Keyboard
●
IRQ cascade
●
COM1 (serial port A)
○
●
○
○
○
○
○
○
ACPI
1)
●
Real-time clock
●
Coprocessor (FPU)
●
Primary IDE channel
●
Secondary IDE channel
●
COM3
(COM C)
○
○
○
○
○
○
●
○
○
B&R
COM5
(COM D)
○
○
○
○
○
○
○
○
●
Table 193: IRQ interrupt assignments in PIC mode
1)
A
dvanced
C
onfiguration and
P
ower
I
nterface.
● ... Default setting
○ ... Optional setting