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User’s Manual
ESM-2740/2743 User’s Manual
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• Integrated LAN controller
• System Management Bus (SMBus) compatible with most IC devices; ICH4 has both
bus master and slave capability
• AC ’97 2.3 compliant link for audio and telephony codecs; up to 6 channels
• Low Pin Count (LPC) interface
• FWH Interface (FWH Flash BIOS support)
• Alert on LAN* (AOL and AOL2)
1.6.3 Intel RG82852GM and FW82801DB (for ESM-2743)
The Intel 852GM GMCH component provides the processor interface, DDR SDRAM
interface, display interface, and Hub Interface in an Intel 852GM chipset platform. The Intel
852GM GMCH is optimized for the Mobile Intel Pentium 4 Processor-M, Mobile Intel
Celeron processor and Intel Celeron M processor. It supports a single channel of DDR
SDRAM memory. Intel 852GM Chipset contains advanced power management logic. The
Intel 852GM Chipset platform supports the fourth generation mobile I/O Controller Hub to
provide the features required by a mobile platform.
The Intel 852GM GMCH is in a 732-pin Micro-FCBGA package and contains the following
functionality:
• Supports single Intel processor configurations at 400-MHz or 3 GB/s
• 1.2-1.30-V AGTL+ host bus supporting 32-bit host bus addressing with Enhanced
Intel SpeedStep® technology (Intel Celeron M processor and Intel Celeron
Processor do not support Enhanced Intel SpeedStep Technology).
• System Memory supports 200/266-MHz (SSTL_2) DDR DRAM Up to 1 GB (with
256-Mb technology and two SO-DIMMs) of PC1600/2100 DDR SDRAM without
ECC
• Integrated graphics capabilities, including 3D rendering acceleration and 2D
hardware acceleration
• Integrated 350-MHz, 24-bit RAMDAC with pixel resolution up to 1600x1200 at 85-Hz
and up to 1920x1440 @ 60 Hz
• One Dedicated Dual Channel LFP LVDS interface with frequency range of 25 MHz
to 112 MHz (single channel/dual channel) for support up to SXGA+ (1400x1050 @
60 Hz) panel resolutions with maximum pixel depth of 18-bpp
• Integrated PWM (Pulse Width Modulation) interface for LFP backlight inverter
control for panel brightness
• One 165-MHz, 12-bit, DVO interface for TV-out encoder and DVI (LVDS transmitter
and TMDS transmitter) support I
2
C and DDC channels supported
• Dual Pipe Independent Display with Tri-view support through LFP, DVO, and CRT
• Deeper Sleep state support
• Distributed arbitration for highly concurrent operation