Acer 710 사용자 설명서
1-6
EXTENSA 700/710 Service Guide
Hardware Configuration and Specification
Memory Address Map
Address Range
Definition
Function
000000-09FFFF
640 KB memory
Base memory
0A0000-0BFFFF
128 KB video RAM
Reserved
0C0000-0CBFFF
Video BIOS
Video BIOS
0F0000-0FFFFF
64 KB system BIOS
System BIOS
100000-top limited
Extended memory
SIMM memory
FE0000-FFFFFF
256 KB system ROM
Duplicate of code
assignment at 0E0000-
0FFFFF
assignment at 0E0000-
0FFFFF
Interrupt channel default assignment
Channel
Default setting
mode
Remarks
NMI
System errors
IRQ0
System timer
Edge
IRQ1
Keyboard
Edge
IRQ2
(cascade)
Edge
IRQ3
Modem/COM1
(can be disable)
(can be disable)
Edge
Dynamically
programmable
programmable
IRQ4
Infrared
Edge
Dynamically
programmable
programmable
IRQ5
SoundBlaster
Audio (PCI
device)
Audio (PCI
device)
level
PCI interrupt
sharing
sharing
IRQ6
Floppy
Edge
IRQ7
Printer
Edge
Dynamically
programmable
programmable
IRQ8
Real time clock
Edge
IRQ9
(SCI for ACPI
OS) PCI device
OS) PCI device
level
PCI interrupt
sharing
sharing
IRQ10
Modem
Edge
Dynamically
programmable
programmable
IRQ11
PCI device
level
PCI interrupt
sharing
sharing
IRQ12
pointing device
Edge
IRQ13
Math
coprocessor
coprocessor
Edge
IRQ14
Hard disk driver
700SG-1.fm Page 6 Monday, June 8, 1998 6:38 PM