User's Manual
Appendix B Technical Summary 
Page: B-6 
PCI-471LF USER
′
S MANUAL 
I/O & MEMORY MAP 
Memory Map : 
MEMORY MAP  ASSIGNMENT 
0000000-009FFFF  System memory used by DOS and 
application 
00A0000-00BFFFF  Display buffer memory for VGA/ EGA / 
CGA / MONOCHROME adapter 
00C0000-00DFFFF  Reserved for I/O device BIOS ROM or 
RAM buffer. 
00E0000-00EFFFF  Reserved for PCI device ROM 
00F0000-00FFFFF  System BIOS ROM 
0100000-FFFFFFF  System extension memory 
I/O Map : 
I/O MAP  ASSIGNMENT 
000-01F  DMA controller (Master) 
020-021  Interrupt controller (Master) 
022-023  Chipset controller registers I/O ports. 
040-05F  Timer control regsiters. 
060-06F  Keyboard interface controller (8042) 
070-07F  RTC ports & CMOS I/O ports 
080-09F DMA register 
0A0-0BF  Interrupt controller (Slave) 
0C0-0DF  DMA controller (Slave) 
0F0-0FF Math coprocessor 
1F0-1F8  Hard Disk controller 
278-27F Parallel port-2 
2B0-2DF  Graphics adapter controller 
2F8-2FF Serial port-2 
360-36F  Net work ports 
378-37F Parallel port-1  
3B0-3BF  Monochrome & Printer adapter 
3C0-3CF EGA adapter 
3D0-3DF CGA adapter 
3F0-3F7  Floppy disk controller 
3F8-3FF Serial port-1 










