Toshiba A40 manual Apic

1 Hardware Overview 1.2 System Unit Block Diagram

‰Intel Montara-GT (North Bridge)

•One Intel 82852GME is used.

•Features:

–Mobile Intel Pentium 4 processor and Intel Celeron processor System Bus Support

–Supports Enhanced Intel SpeedStep technology

–DRAM Controller supporting DDR333/DDR266/DDR200, 2GB max

–Accelerated Graphics Port (AGP) Interface: Supports AGP 2.0 including 1⋅, 2⋅, and 4⋅

–Up to 64MB of dynamic video memory allocation

–732-pin Micro-FCBGA (37.5⋅37.5 mm)

‰Intel ICH4-M (South Bridge)

•One Intel 82801DBM is used.

•This gate array has the following features:

–Hub Link Interface

–PCI Rev2.2 Interface (6 PCI REQ/GNT Pairs)

–Enhanced DMA Controller, Interrupt Controller and Timer Functions

–BusMaster IDE Controller (Ultra ATA 100/66/33)

–USB 1.1/2.0 Controller 6 Ports (EHCI: Enhanced Host Controller)

–I/O APIC

–SMBus2.0 Controller

–Firmware Hub (FWH) Interface (BIOS)

–Low Pin Count (LPC) Interface (EC/KBC, Super I/O)

–Serial Interrupt Controller

–ACPI Power Management Controller

–Deeper Sleep Support

–AC'97 2.3 Interface

–Internal RTC

–Internal LAN Controller (WfM2.0)

–Alert ON LAN (AOL)

–421-ball (31⋅31mm) BGA Package

1-8 Satellite A40 Maintenance Manual (960-458)