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Motherboard Description
VT8233CE integrated networking MAC controller with standard MII
interface to an external PHY for 10/100Mb base-T Ethernet or 1/10Mb PNA
home networking.
The VT8233CE also includes an integrated keyboard controller with PS2
mouse support, integrated DS12885 style real time clock with extended 256
byte CMOS RAM, integrated master mode enhanced IDE controller with
full scatter / gather capability and extension to UltraDMA-33/66/100 for
33/66/100 MB/sec transfer rate, integrated USB interface with root hubs and
six function ports with built-in physical layer transceivers, Distributed DMA
support, and OnNow / ACPI compliant advanced configuration and power
management interface.
For sophisticated power management, the Apollo KT266A chipset provides
independent clock stop control for the CPU / SDRAM, PCI, and AGP buses
and Dynamic CKE control for powering down of the SDRAM. A separate
suspend-well plane is implemented for the SDRAM control signals for
Suspend-to-DRAM operation. Coupled with the VT8233CE south bridge
chip, a complete power conscious PC main board can be implemented with
no external TTLs.
The Apollo KT266A chipset is ideal for high performance, high quality,
high energy efficient and high integration desktop and notebook AGP / PCI /
LPC computer systems.
The VT8233CE South Bridge is a high integration, high performance,
power-efficient, and high compatibility device that supports Intel and
non-Intel based processor to V-Link bus bridge functionality to make a
complete Microsoft PC99-compliant PCI/ISA system. In addition to
complete ISA extension bus functionality, the VT8233CE includes standard
intelligent peripheral controllers:
a) IEEE 802.3 compliant 10 / 100 Mbps PCI bus master Ethernet MAC with
standard MII interface to external PHYceiver.
b) Master mode enhanced IDE controller with dual channel DMA engine
and interlaced dual channel commands. Dedicated FIFO coupled with
SY-K7V DRAGON Plus!
13
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