Kontron COMe-mTT10 Manual de usuario Pagina 43

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COMe-mTT10 / System Resources
5.1.2 In APIC mode
IRQ # Used For Available Comment
0 Timer0 No -
1 Keyboard No -
2 Cascade No -
3 External SIO - COM2 Yes (No) Note (1)
4 External SIO - COM1 Yes (No) Note (1)
5 PCI for PCI Dynamic (BIOS default)
6 PCI for PCI Dynamic (BIOS default)
7 External SIO - LPT1 Yes (No) Note (1)
8 RTC No -
9 ACPI No Note (2)
10 PCI for PCI Dynamic (BIOS default)
11 PCI for PCI Dynamic (BIOS default)
12 PS/2 Mouse Yes (No) Note (1)
13 FPU No -
14 PCI for PCI Dynamic (BIOS default)
15 PCI for PCI Dynamic (BIOS default)
16 PIRQ[A] No PCI IRQ line 1 + US15W graphics + USB UHCI Controller #1; Note(3)
17 PIRQ[B] No PCI IRQ line 2 + LAN Controller + USB UHCI Controller #2; Note(3)
18 PIRQ[C] No PCI IRQ line 3 + USB UHCI Controller #3; Note(3)
19 PIRQ[D] No PCI IRQ line 4 + USB UHCI Controller #4; Note(3)
20 PIRQ[E] No Note(3)
21 PIRQ[F] No Note(3)
22 PIRQ[G] No Note(3)
23 PIRQ[H] No Note(3)
(1) If the “Used For” device is disabled in setup, the corresponding interrupt is available
for other device.
(2) Not available if ACPI is used
(3) ACPI OS decides on particular IRQ usage
5.2 Memory Area
The first 640 kB of DRAM are used as main memory. Using DOS, you can address 1 MB of memory directly. Memory area
above 1 MB (high memory, extended memory) is accessed under DOS via special drivers such as HIMEM.SYS and
EMM386.EXE, which are part of the operating system. Please refer to the operating system documentation or special
textbooks for infor- mation about HIMEM.SYS and EMM386.EXE. Other operating systems (Linux or Windows versions)
allow you to address the full memory area directly.
Upper Memory Used for Available Comment
A0000h – BFFFFh VGA Memory No Mainly used by graphic controller
C0000h – CFFFFh VGA BIOS No Used by onboard VGA ROM
D0000h – DFFFFh - Yes Free for shadow RAM in standard
configurations.
E0000h – FFFFFh System BIOS No Fixed
E0000000h – F0000000h PCIe Config Space No Fixed
FEC00000h-FEC00040h IOxAPIC No Fixed
FED00000h FED003FFh HPET No Fixed
FED04000 FED4BFFF TPM No Fixed
FFC00000h - FFFFFFFFh BIOS Flash No Fixed
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