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02/18/05
ReVolution User Manual 1.00
System Hardware Assignments
The ReVolution, like all computers based on standard IBM-compatible personal computer architecture, contains a set
of user hardware- and software-configurable resources. The system uses some of these resources for various
standard and optional features. The user can modify others.
This section describes the standard system resources, their use and assignment status.
The following table of
I
nterrupt
R
e
Q
uests (IRQs) are assigned by the BIOS. Plug-and-play operating systems
(Windows 98/2000/XP) may change the IRQ assignments.
Table of IRQ Assignment by BIOS
IRQ Number
Use
Type
Status
0 Timer
ISA
Permanent
Assignment
1 Keyboard
ISA
Permanent
Assignment
2 Programmable
Interrupt
Controller
ISA Permanent
Assignment
3
COM Port B (2)
ISA
BIOS enable/disable
4
COM Port A (1)
ISA
BIOS enable/disable
5
PNP/PCI
6
Floppy Disk
ISA
Permanent Assignment, if installed
7 LPT1
BIOS
Adjustable
8
Real Time Clock
ISA
Permanent Assignment
9 ACPI
EC
LPC
PNP/PCI
Assignment
10
PNP/PCI
11
PNP/PCI
12 Mouse
ISA
BIOS
enable/disable
13 Math
Coprocessor ISA
Permanent
Assignment
14
IDE Controller
ISA
PCI/PNP assignment
15
DMA Channel Table
DMA Channel
Use
Status
0
Unused
Available To User
1
Unused
Available To User
2
Floppy Disk
Permanent Assignment
3
ECP Parallel Port
BIOS adjustable
4 DMA
Controller
Permanent
Assignment
5
Unused
Available To User
6
Unused
Available To User
7
Unused
Available To User
Содержание Revolution plus
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