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