6. Appendix
BX-955Sx Series User’s manual
63
Table 6.2. I/O Port Addresses < 2 / 2 >
Address
Size
Description
03F6
1 byte
IDE / SATA controller, PCI
03F8 – 03FF
8 bytes
SERIAL A
0400 – 043F
64 bytes
Power management
04D0 – 04D1
2 bytes
Interrupt controller
0500 – 053F
64 bytes
Reserved (GPIO)
0CF9
1 byte
Reset generator
0D00 – 0FFFF
62208 bytes
PCI bus
Interrupt Level List
Table 6.3. Hardware Interrupt Levels (Factory Settings)
Type 8259 Priority
Description
Vector
NMI High
-I/O
CHK
02H
IRQ0 MASTER
↑
Timer
0
08H
IRQ1 “
⏐
Reserved
09H
IRQ2 “
⏐
Interrupt Controller 2 (Slave)
0AH
IRQ8 SLAVE
⏐
Realtime
Clock
70H
IRQ9 “
⏐
Reserved
71H
IRQ10 “
⏐
Reserved
72H
IRQ11 “
⏐
Reserved
73H
IRQ12 “
⏐
Reserved
74H
IRQ13 “
⏐
Co-processor
75H
IRQ14 “
⏐
Not used (Useable for user)
76H
IRQ15 “
⏐
Not used (Useable for user)
77H
IRQ3 MASTER
⏐
Serial port B(COM B)
0BH
IRQ4 “
⏐
Serial port A(COM A)
0CH
IRQ5 “
⏐
System
reserved
0DH
IRQ6 “
↓
Not used (Useable for user)
0EH
IRQ7 “ Low
System
reserved
0FH