Toshiba QOSMIO F20

1 Hardware Overview 1.2 System Block Diagram
1-8 [CONFIDENTIAL] QOSMIO F20 Maintenance Manual (960-526)
? Firmware Hub (FWH)
? One STMicro M50FW040NB5G is used.
? 4Mbits of flash memory are used.
? Chipset
This gate array has the following elements and functions.
? North Bridge (Intel 915GM/910GML (GMCH-M)) Internal GPU model
? Intel Pentium-M (915GM)/Intel Celeron-M (915GM/910GML)
Processor System Bus support
? System memory interface
? DDR333, DDR2-400 (915GM/910GML) /DDR2-533 (915GM)
support 2GB max
? PCI Express Graphic interface
? DMI (Direct Media Interface)
? Integrated Display Interface
? 1,257-ball 37.5mm x 40.0mm FC-BGA Package
? North Bridge (Intel 915PM (GMCH-M)) External GPU model
? Intel Pentium-M/Intel Celeron-M Processor System Bus support
? System memory interface
? DDR333, DDR2-400/DDR2-533 support 2GB max
? PCI Express Graphic interface
? DMI (Direct Media Interface)
? 1,257-ball 37.5mm x 40.0mm FC-BGA Package
? South Bridge (Intel ICH6)
? DMI (Direct Media Interface)
? PCI Express 2 Interface (4ports)
? PCI Bus Rev2.3 Interface (7 PCI REQ/GNT Pairs)
? Integrated Serial ATA Host Controller (2ports, 150MB/S)
? Integrated IDE Controller (Ultra ATA 100/66/33)
? AC'97 2.3 Codec
? USB 1.1/2.0 Controller 8 Ports (EHCI: Enhanced Host Controller)
? Internal LAN Controller (WfM and IEEE 802.3)
? Power Management Controller (ACPI 2.0)
? SMBus2.0 Controller
? FWH Interface (BIOS)
? LPC Interface (EC/KBC, Super I/O)
? IRQ Controller
? Serial Interrupt Controller