User`s manual
Appendix B Technical Summary 
Page: B-8 
Prox-1750G1/G2 USER
′
S MANUAL 
Memory Decode Ranges From Processor Perspective : 
Memory Range  Target  Dependency/Comments 
0000 0000h-000D FFFFh 
0010 0000-TOM (Top of 
Memory) 
Main Memory  TOM registers in Host Controller 
000E 0000h-000F FFFFh  FWH  Bit 7 in FWH Decode Enable 
Register is set 
FEC0 0000h-FEC0 0100h  I/O APIC inside ICH2  
FFC0 0000h-FFC7 FFFFh 
FF80 0000h-FF87 FFFFh 
FWH  Bit 0 in FWH Decode Enable 
Register 
FFC8 0000h-FFCF FFFFh 
FF88 0000h-FF8F FFFFh 
FWH  Bit 1 in FWH Decode Enable 
Register 
FFD0 0000h-FFD7 FFFFh 
FF90 0000h-FF97 FFFFh 
FWH  Bit 2 in FWH Decode Enable 
Register is set 
FFD8 0000h-FFDF FFFFh 
FF98 0000h-FF9F FFFFh 
FWH  Bit 3 in FWH Decode Enable 
Register is set 
FFE0 0000h-FFE7 FFFFh 
FFA0 0000h-FFA7 FFFFh 
FWH  Bit 4 in FWH Decode Enable 
Register is set 
FFE8 0000h-FFEF FFFFh 
FFA8 0000h-FFAF FFFFh 
FWH  Bit 5 in FWH Decode Enable 
Register is set 
FFF0 0000h-FFF7 FFFFh 
FFB0 0000h-FFB7 FFFFh 
FWH  Bit 6 in FWH Decode Enable 
Register is set 
FFF8 0000h-FFFF FFFFh 
FFB8 0000h-FFBF FFFFh 
FWH Always Enabled. 
The top two 64K blocks of this 
range can be swapped as 
described in Section 6.4.1. 
FF70 0000h-FF7F FFFFh 
FF30 0000h-FF3F FFFFh 
FWH  Bit 3 in FWH Decode Enable 2 
Register is set 
FF60 0000h-FF6F FFFFh 
FF20 0000h-FF2F FFFFh 
FWH  Bit 2 in FWH Decode Enable 2 
Register is set 
FF50 0000h-FF5F FFFFh 
FF10 0000h-FF1F FFFFh 
FWH  Bit 1 in FWH Decode Enable 2 
Register is set 
FF40 0000h-FF4F FFFFh 
FF00 0000h-FF0F FFFFh 
FWH  Bit 0 in FWH Decode Enable 2 
Register is set 
Anywhere in 4GB range  D110 LAN Controller Enable via BAR in Device 
29:Function 0 (D110 LAN 
Controller) 
All Other  PCI  None 










