16
Chapter 1
960K-1024K
F0000-FFFFF
64KB
Runtime BIOS
896K-960K
E0000-EFFFF
64KB
Reserved
800K-896K
C8000-DFFFF
96KB
Available high DOS memory
(open to the PCI bus)
640K-800K
A0000-C7FFFF
160KB
Video memory and BIOS
639K-640K
9FC00-9FFFF
1KB
Entended BIOS data (movable by
memory manager software)
512K-639K
80000-9FBFF
127KB
Extended conventional memory
0K-512K
00000-7FFFF
512K
Conventional memory
PCI INTx# and IDSEL Assignment Map
PCI INTx #
PCI Devices
Device IDSEL: ADxx
INTA#
ADIMM-slot
N
INTB#
PCI-Slot1
AD 18
INTC#
PCI-Slot2
AD 17
INTD#
PCI-Slot3
AD 16
PCI Slot IRQ Routing Map
PCI INTX#
INTA
INTB
INTC
INTD
Bus Mastering
PCI slot 1
Route 2
Route 3
Route 4
Route 1
Enabled
PCI slot 2
Route 7
Route 6
Route 5
Route 8
Enabled
PCI slot 3
Route 6
Route 7
Route 8
Route 5
Enabled
I/O Map
Address (hex)
Size
Description
0000-000F
16 bytes
DMA controller
0020-0021
2 bytes
Programmable Interrupt Control (PIC)
0040-0043
4 bytes
System timer
0060
1 bytes
Keyboard controller byte-reset IRQ
0061
1 byte
System speaker
0064
1 byte
Keyboard controller, CMD/STAT byte
0070-0071
2 bytes
System CMOS/Real Time Clock
0072-0073
2 bytes
System CMOS
0080-008F
16 bytes
DMA controller
0092
1 byte
Fast A20 and PIC
00A0-00A1
2 bytes
PIC
00B2-00B3
2 bytes
APM control
00C0-00DF
32 bytes
DMA
00F0
1 byte
Numeric data processor
0170-0177
8 bytes
Secondary IDE channel
01F0+01F7
8 bytes
Primary IDE channel
Memory Map
Address Range (decimal)
Address Ragne (hex)
Size
Description
Summary of Contents for AcerPower SV
Page 15: ...8 Chapter 1 Block Diagram ...
Page 16: ...Chapter 1 9 Main Board Layout ...
Page 29: ...22 Chapter 1 ...
Page 49: ...42 Chapter 2 ...
Page 77: ...70 Chapter 4 ...
Page 86: ...80 Chapter 6 AcerPower SV Exploded Diagram ...