User Guide

FIC MB05W Service Manual
1- 46 FIC MB05 Service Manual
Wireless LAN Dynamic ~ IRQ10/IRQ
3/IRQ4
- E0200000-
E0200FFF-
FirmwareHub Devices Static - - - FF800000-
FFFFFFFF
IEEE 1394 Dynamic - IRQ10/IRQ
3/IRQ4
- E0200000-
E02007FF
3.3.11 PCI Device
The table below summarizes the PCI IDSEL Pin Allocation:
IDSEL Pin PCI Device
Device Number Function
Number
Device Name
AD21 Device 05 Function 0 LAN
AD19 Device 03 Function 0,1 Card Bus/1394
AD17 Device 01 Function 0 MINI PCI
The table below summarizes the PCI bus master Allocation:
Arbiter Signal
Agents
(Master)
Function Use
REQ00/GNT00
REQ10/GNT10 RICOH Card Bus Controller
REQ20/GNT20
REQ30/GNT30
REQ40/GNT40 RTL8100BL
LAN Controller
3.3.12 SMBus Devices
The SMBus is a two-wire interface through which the system can communicate with power-
related chips. The BIOS should initialize the SMBus devices during POST.
ICH4 SMBus Connection Devices
SMBus Device Host/Slave Address BIOS Need to
Initialization
SO-DIMM Slave A0h/A2h Memory Auto Sizing
(SPD).
CY28346
CLK Generator
Slave D2h Program the desired
clock frequency (Pin23
output 24MHz, Pin22
output 48MHz)
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