Via Pro133a Chipset

VIA Pro133A Chipset The VIA Apollo Pro133A is an efficient, cost-effective, flexible chipset solution for Socket 370 systems based on the Intel® Pentium® III, Intel® Celeron™ & VIA C3® Processors, across a full spectrum of applications. The AGP4X interface on the Pro133A chipset allows for rich 3D graphics and video performance. With its 133MHz Front Side Bus, the VIA Apollo Pro133A chipset optimizes the performance of Intel? Pentium? III, Intel? Celeron™ and VIA C3™ processors, while its highly scaleable asynchronous bus design also makes it the ideal solution to fully harness processor FSB speeds of 66 and 100MHz. Through its memory controller architecture, the VIA Apollo Pro133A chipset supports up to 2.0GB of PC133 SDRAM and VC133 DRAM. These memory technologies provide bandwidth for Internet and 3D graphics applications. The ATA 66 interface on the VIA Apollo Pro133A chipset helps boost system performance by delivering maximum sustained data transfer rates of 66MB/sec. In combination with the VIA VT82C596B or VT82C686A South Bridge Controllers, as shown in the block diagram below, the VIA Pro133A includes support for four USB ports, AC-97 link for audio and modem, hardware monitoring, and power management.

Features of VIA Pro133A

Features

Benefits

133MHz Memory Bus

Maximizes the performance of Value PCs and Internet Appliances at minimal extra cost through support for high-speed PC133 SDRAM and Virtual Channel RAM.

Flexible 66/100/133MHz Front Side Bus Settings

Optimizes the performance of a complete range of Intel® Pentium® III, Intel® Celeron™ and VIA C3® processors running at a variety of FSB speeds.

AGP2X/4X Interface

Ensures vivid 3D graphics and video performance.

ATA-66 Support

Enhances PC system responsiveness through high-speed HDD connections.

AC-97 Audio

Provides cost-effective solution for delivering high-quality audio capabilities.*

MC-97 Modem

Enables low-cost connectivity to the Internet through an ACR fax/modem module.

Support for Four USB Ports

Provides convenient Plug 'n' Play connections to the growing number of USB peripherals and enables Legacy Free system designs.

*Requires onboard audio Codec or ACR expansion slot on the motherboard.

Block Diagram

Key Features » Support for Intel® Pentium® III, Intel® Celeron™ and VIA C3® » 66/100/133MHz Front Side Bus settings » Asynchronus FSB and memory bus » Support AGP 2X/4X » Support for ATA 33/66 » Supports up to 2GB for PC100/133 SDRAM and EDO DRAM » 2 USB ports, UHCI compliant » Advanced power management and clock stop fetaure » 510 BGA VT82C694X North Bridge » 324 BGA VT82C596B South Bridge

VT82C694X VIA VT82C694X APOLLO PRO133A 66 / 100 /133 MHz Single-Chip Slot-1 / Socket-370 North Bridge for Desktop and Mobile PC Systems with AGP 4x and PCI plus Advanced ECC Memory Controller supporting PC100 / PC133 SDRAM, Virtual Channel Memory (VCM), and ESDRAM · AGP / PCI / ISA Mobile and Deep Green PC Ready - GTL+ compliant host bus supports write-combine cycles - Supports separately powered 3.3V (5V tolerant) interface to system memory, AGP, and PCI bus - Modular power management and clock control for mobile system applications - Combine with VIA VT82C596B south bridge chip for state-of-the-art system power management · High Integration - Single chip implementation for 64-bit Slot-1/Socket-370 CPU, 64-bit system memory, 32-bit PCI and 32-bit AGP - Apollo Pro133A Chipset: VT82C694X system controller and VT82C596B PCI to ISA bridge - Chipset includes UltraDMA33/66 EIDE, USB, and Keyboard / PS2-Mouse Interfaces plus RTC / CMOS on chip · High Performance CPU Interface - Supports Slot-1 and Socket-370 (Intel Pentium IITM and CeleronTM) processors - 66 / 100 /133 MHz CPU Front Side Bus (FSB) - Built-in PLL (Phase Lock Loop) circuitry for optimal skew control within and between clocking regions - Five outstanding transactions (four In-Order Queue (IOQ) plus one input latch) - Supports WC (Write Combining) cycles - Dynamic deferred transaction support - Sleep mode support - System management interrupt, memory remap and STPCLK mechanism interfaces Revision 1.0 September 8, 1999 CPU: Support Intel Socket 370 Processor, with 66/100/133 MHz host bus speed System Chipset: VIA VT82C694X, VT82686B chipset Cache Memory: Integrated in the CPU Graphics Support: Support full AGP V2.0 capability for maximum bus utilization including 2x and 4x mode transfers, SBA (Side Band Addressing), Flush/Fence commands, and pipelined grants, in a 132 pin Universal AGP slot Hardware System Monitor: Internal ambient temperature sensing Remote thermal diode sensing for direct monitoring of processor temperature Power supply monitoring (+12V, VCORE, VCC, VTT) to detect levels above or below acceptable values SMBus interface System Memory: Three 168-pin DIMM sockets Minimum 8MB up to maximum 1.5 GB Memory Capacity 66MHz / 100MHz / 133MHz SDRAM, Virtual Channel Memory (VCM) DIMM module On Board PCI IDE: Support for up to 4 IDE devices PIO Mode 4 transfers at up to 16MB/Sec Support for Ultra ATA /33 / 66/ 100 devices, transfers at up to 100MB/Sec Support CD-ROM, Backup machines and LS120 floppy disk driver through IDE interface On board I/O: 1 Floppy Port (up to 2.88 MB) 1 Parallel Port (ECP/EPP) 2 Serial Ports (16C550 Fast UART Compatible) 4 Standard USB Connector (2 on Connector / 2 for header) at (48MHz) 1 PS/2 Mouse Connector, 1 PS/2 Keyboard connector 1 IrDA TX/RX Port (Optional) BIOS: 2MB flash EPROM Award PCI BIOS with plug and play, ACPI, STR, APM, Y2K, PC99 and DMI support Bootable from CD-ROM supported Green Feature Power Management: APM 2.1 Additionally, with support for ACPI (Advanced Configuration and Power Interface) feature and On-Now, your system will become more wise in power management Sound System Onboard AC97 CODEC Expansion Slots : 1 AGP slot 3 PCI slots 2 ISA slots 1 shared slot for either PCI or ISA add-in board 1 AMR slot