Adlink nanoX-BT Manuel d'utilisateur Page 33

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nanoX-BT Page 33
6. System Resources
6.1. System Memory Map
Address Range (decimal) Address Range (hex) Size Description
Start 128KB below 1MB 000E0000h-000FFFFFh Low Bios
Starts 20MB below 4GB FEC00000h-FEC0040h IO APIC
Start 19MB below 4GB FED00000h-FED003FFh HPET
Start 64 KB below 4GB FFFF0000h-FFFFFFFFh High Bios
0K –1MB 1MB DOS DRAM
6.2. I/O Map
Hex Range Device
20h-21h, 24h-25h, 28h-29h, 2Ch-2Dh,
30h-31h, 34h-5h, 38h-39h, 3Ch-3Dh
8259 Master
40h-43h, 50h-53h 8254s
61h, 63h, 65h, 67h NMI Controller
70h-77h RTC
80h-83h Port 80h
92h Init Register
A0h-A1h, A4h-A5h, A8h-A9h, ACh-ADh,
B0h-B1h,B4h-B5h, B8h-B9h, BCh-BDh,
4D0h-4D1h
8259 Slave
3F8h-3FFh PCU UART (COM1)
B2h-B3h Active Power Management
E000 Smbus base address for SB.
500 GPIO Base Address for SB
400 PM (ACPI) Base Address for SB
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