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1.2 System Unit Components 1 Hardware Overview
EQUIUM M40/M45/Satellite M40/M45 Maintenance Manual 11
y South Bridge: ATI SB400
− Direct Media Interface (DMI)
− PCI Express* Interface
− Serial ATA (SATA) Controller
− Advanced Host Controller Interface (AHCI)
− PCI Interface
− IDE Interface
− Low Pin Count (LPC) Interface
− Compatibility Modules
− Advanced Programmable Interrupt Controller (APIC)
− Universal Serial Bus (USB) Controller
− Lan Controller
− Alert Standard Format (ASF) Management Controller
− RTC
− GPIO
− Enhanced Power Management
− Manageability
− System Management Bus (SMBus 2.0)
− Intel High Definition Audio Controller
− AC ’97 2.3 Controller
PC Card controller
y TI PCI1410
− CardBus/PC Card controller
− 16-bit PCMCIA and 32-bit CardBus.
− Single PC Card or card bus slot controller
− IEEE 1394 Controller
Audio Controller
The ALC250 integrated audio controller supports multimedia. The sound system feature
contains the following:
y Variable Sample Rate Audio
y External Audio Power –Down Control
y Integrated Stereo Headphone Amplifier
y Stereo Full-Duplex Codec
y 20-Bit PCM DAC
y Dual MIC Input with Built-In Programmable Preamp
y High Quality CD Input with Ground Sense.