1 Hardware Overview 1.2 System Unit Block Diagram
1-10 [CONFIDENTIAL] TECRA M5 Maintenance Manual (960-542)
Intel GMCH (North Bridge)
• One Intel 945PM is used.
• Features:
– Supports Yonah Processor System Bus
– System Memory Interface
– Memory Control: supports DDR2-400／DDR2-533／DDR2-667, 4GB max.
– DMI(Direct Media Interface)
– Supports ICH.
– 1466-ball 37.5×37.5×2.56mm FC-BGA package
Intel ICH7-M (South Bridge)
• One Intel 82801 is used.
• Features:
– DMI(Direct Media Interface)
– PCI Express I/F (4 ports)
– PCI Bus I/F Rev2.3（6 PCI REQ/GNT Pairs）
– Integrated Serial ATA Host Controller (2 Prots,150MB/S)
– Integrated IDE Controller（Ultra ATA 100/66/33）
– AC’97 2.3 codecs
– Intel High Definition controller (Azalia)
– USB 1.1/2.0 Controller 8 ports
– Built-in LAN controller (WfM 2.0 & IEEE 802.3 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
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