Toshiba QOSMIO G20 manual Gpio

1 Hardware Overview 1.2 System Block Diagram

❑Chipset

This gate array has the following elements and functions.

¾North Bridge (Intel 915PM <Express Chipset>)

-Support Dothan Processor System Bus

-System Memory Interface

-Memory Controller : DDR333/DDR2-400/DDR2-533, 2GB(max)

-Graphics I/F : x16 PCI Express Based Graphics I/F

-DMI (Direct Media Interface)

-1,257-ball 40.0mmx37.5mmx2.6mm FC-BGA Package

¾South Bridge (Intel 82801DBM (ICH6-M))

-DMI (Direct Media Interface)

-PCI Express I/F (4 ports)

-PCI Bus I/F Rev 2.3 (PCI REQ/GNT Pairs)

-Integrated Serial ATA Host Controller (2 ports, 150MB/S)

-Integrated IDE Controller (Ultra ATA 100/66/33)

-AC’97 2.3 codes

-USB 1.1/2.0 Controller 8 ports (EHCI: Enhanced Host Controller Interface)

-Built-in LAN Controller (Wfm 2.0& IEEE802.3 compliance)

-Power Management (ACPI 2.0 compliance)

-SMBus2.0 controller

-FWH interface (BIOS)

-LPC interface (EC/KBC, Super I/O)

-IRQ controller

-Serial Interrupt Function

-Suspend/Resume control

-Built-in RTC

-GPIO

-609-ball 31mmx31mm micro BGA Package

❑PC card controller (PCI7411, Texas Instrument-made)

-PCI Interface (PCI Rev. 2.3)

-PC Card Controller

-IEEE1394 Controller

-Flash Media Controller

-SD Host Controller

QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL] 1-7