5 system resources, 1 interrupt request (irq) lines, 2 memory area – Kontron COMe-mBT10 User Manual

Page 45: System resources, Interrupt request (irq) lines, Memory area, Come-mbt10 / system resources

Advertising
background image

COMe-mBT10 / System Resources

5 System Resources

5.1

Interrupt Request (IRQ) Lines

IRQ #

Used For

0

Timer0

1

Keyboard

2

Redirected secondary PIC

3

Onboard - COM2

4

Onboard - COM1

5

SIO COM3 or 4

6

SIO COM3 or 4

7

SIO LPT or COM3/4

8

RTC

9

Free for PCI devices

10

Free for PCI devices

11

Free for PCI devices

12

PS/2 mouse or free for PCI devices

13

FPU

14

not used

15

not used

5.2

Memory Area

Address range (hex)

Size

Usage

00000000-0009FFFF

640 KB

DOS- (Real mode-) memory

000A0000-000BFFFF

128 KB

Display memory

000C0000-000CBFFF

48 KB

VGA BIOS

000CC000-000DFFFF

80 KB

Option ROM or XMS

000E0000-000EFFFF

64 KB

System BIOS extended space

000F0000-000FFFFF

64 KB

System BIOS base segment

0x20000000 00100000-7FFFFFFF

2 GB – 1 MB

System memory (Low DRAM)

0x20000000-0x20001000

4KB

Minimum mapping for chipset LPE device

80000000-FFF00000

2 GB – 1 MB

PCI memory, other extensions (Low MMIO)

FEC00000-FEC00040

64 Bytes

IOxAPIC

FED00000-FED003FF

1 KB

HPET (Timer)

FED1C000-FED1CFFF

4KB

Chipset internal register space

FED40000-FED4B000

44 KB

TPM hard coded memory

FFFF0000-FFFFFFFF

64 KB

Mapping space for BIOS ROM/Boot vector

100000000-17FFFFFFF

2 GB

System memory (High DRAM)

180000000-F00000000

58 GB

High MMIO

45

Advertising