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1.2 System block diagram 1 Hardware Overview
Satellite R20/TECRA M7 Maintenance Manual (960-572) [CONFIDENTIAL] 1-11
PCI chipset
This gate array incorporates the following elements and functions.
North Bridge (Intel 945GM (Satellite R20/TECRA M7)/945PM (TECRA M7))
- Yonah Processor System Bus Support
- System Memory Interface : supports DDR2-400/DDR2-533/DDR2-667
4GBmax.
- Internal Graphics Controller : Inter Generation 3.5 Integrated GFX Core
(250MHz)
- DMI (Direct Media Interface)
- ICH Support
- 1,466-ball, 37.5×37.5×2.56mm, FC-BGA package
South Bridge (Intel ICH7-M)
- 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 Controller
- Inter High Definition Controller (Azalia)
- USB 1.1/2.0 Controller 8 ports
(EHCI: Enhanced Host Controller Interface)
- Built-in LAN Controller (WfM 2.0 & IEEE 802.3 compliance)
- Power Management (ACPI 2.0 compliance)
- SMBus2.0 Controller
- Serial Peripheral Interface (SPI) (BIOS)
- Low Pin Count (LPC) interface (EC/KBC, Super I/O)
- IRQ Controller
- Serial Interrupt Function
- Controlling Suspend/Resume
- Built –in RTC
- GPIO
- 652-ball, 31mm×31mm×2.51mm, BGA Package
PC Card Controller (Texas Instruments PCI7412ZHK)
- PCI interface
- CardBus/Ultra Media Controller (1soket)
- SD/MMC, Memory Stick, XD card Controller
- IEEE1394 controller
- 288-ball, 16mm×16mm×1.4mm BGA package