8
Chapter 1
Serial Port
Item
Specification
Serial port controller
Built-in ALI M1543C
Number of serial ports
2
Serial port locations
CN11
CS16C550 UART support
Yes, with 16 bytes FIFO
Connector type
9-pin D-type female connector
Optional serial port I/O address
(via BIOS Setup)
3F8h
2F8h
3E8h
2E8h
Optional serial port IRQ
(via BIOS Setup)
COM1: IRQ 4
COM2: IRQ 3
Memory Address Map
Address
Size
Function
000000 - 07FFFF
512 Kbytes
Host Memory
080000 - 09FFFF
128 Kbytes
Host/PCI Memory
0A0000 - 0BFFFF
128 Kbytes
PCI/ISA Video Buffer Memory
0C0000 - 0C7FFF
32 Kbytes
Video BIOS Memory
0C8000 - 0DFFFF
96 Kbytes
ISA Card BIOS & Buffer Memory
0E0000 - 0EFFFF
64 Kbytes
BIOS Extension Memory
Setup and Post Memory
PCI Development BIOS
0F0000 - 0FFFFF
64 Kbytes
System BIOS Memory
100000 - UPPER LIMIT
Main Memory
UPPER LIMIT - 4GBytes
PCI Memory
PCI INTx# and IDSEL Assignment Map
PCI INTx #
PCI Devices
Device IDSEL : ADxx
INTA#
PCI-Slot1
AD31
INTB#
PCI-Slot2
AD30
INTC#
PCI-Slot3
AD27
INTD#
Audio Controller (CS4280)
AD22
PCI Slot IRQ Routing Map
PCI INTX#
INTA
INTB
INTC
INTD
Bus Mastering
PCI slot 1
Route 1
Route 2
Route 3
Route 4
Enabled
PCI slot 2
Route 2
Route 3
Route 4
Route 1
Enabled
PCI slot 3
Route 3
Route 4
Route 1
Route 2
Enabled
Summary of Contents for AcerPower SN
Page 6: ...VI ...
Page 44: ...36 Chapter 2 ...
Page 66: ...58 Chapter 4 ...
Page 70: ...62 Chapter 5 ...
Page 72: ...64 Chapter 6 ...
Page 80: ...72 Chapter 6 ...
Page 82: ...74 Appendix A ...
Page 90: ...82 Appendix B ...
Page 92: ...84 Appendix C ...