Acer 365 - Manual (Page 14)

1-4 Service Guide
1.3 Hardware Configuration and Specification
1.3.1 Memory Address Map
Table 1-2 Memory Address Map
Address Range Definition Function
000000 - 09FFFF 640 KB memory Base memory
0A0000 - 0BFFFF 128 KB video RAM Reserved for graphics display buffer
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
1.3.2 Interrupt Channel Map
Table 1-3 Interrupt Channel Map
Priority Interrupt Number Interrupt Source
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
SMI
NMI
IRQ 0
IRQ 1
IRQ 2
IRQ 8
IRQ 9
IRQ 10
IRQ 11
IRQ 12
IRQ 13
IRQ 14
IRQ 15
IRQ 3
IRQ 4
IRQ 5
IRQ 6
IRQ 7
Power management unit
Parity error detected, I/O channel error
Interval timer, counter 0 output
Keyboard
Interrupt from controller 2 (cascade)
Real-time clock /
Cascaded to INT 0AH (IRQ 2) / Audio / PCMCIA/Internal Modem
Audio (option) / PCMCIA / Internal modem / Serial communication
port 2 / PCMCIA / USB
Audio (option) / PCMCIA / Internal modem / Serial communication
port 1 / PCMCIA
PS/2 mouse
INT from coprocessor
Hard disk controller / PCMCIA controller
CD-ROM controller / PCMCIA controller
Serial communication port 2 / Internal modem / Audio / PCMCIA
Serial communication port 1 / Internal modem / Audio / PCMCIA
Parallel port (option) / Audio / PCMCIA
Diskette controller
Parallel port (option) / Audio / Internal Modem