1.2 System Unit Block Diagram 1 Hardware Overview
Satellite A40 Maintenance Manual (960-458) 1-9
q 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)
q 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
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