S3PRO-A/Au VIA® Apollo Pro 133(A*) Mainboard for Intel® CeleronTM Processor and FC-PGA PentiumTM III Processor, 66/100/133MHz FSB, 2X/4X AGP, AC97 Audio, ATA 66 IDE and AMR Slot Support This product is discontinued.

Model Form Factor AGP STR AMR PC133 Chipset(Northbridge) S3PRO-A ATX 2X N/A YES YES Pro 133(693A) S3PRO-Au ATX 4X YES YES YES Pro 133A(694X) Tekram S3PRO-A Mainboard is equipped with VIA® Apollo Pro 133 AGPset, consisting North Bridge of VT82C693AA and South Bridge of VT82C686A. And, Tekram S3PRO-Au Mainboard is equipped with VIA® Apollo Pro 133A AGPset, consisting North Bridge of VT82C694X and South Bridge of VT82C686A. They are designed in ATX form factor and Socket 370 platform, supporting FC-PGA Pentium® III Processor and Celeron Processor, 2X/4X AGP, ATA 66, PC133, AC97 Audio and AMR slot support. Together with one AGP slot, one PCI Bus Master Slot, one AMR slot and one PCI/ISA shared slot, Tekram S3PRO-A/Au maximizes its I/O expandability. It is compatible with ATA-66 IDE devices. Three 168-pin DIMM sockets support up to 768MB of SDRAM with ECC capability. Features like Keyboard Power On, Modem Ring-in, and Wake Up On LAN increase the versatility of the Power On feature. The Hardware Monitoring design allows users to self-diagnose CPU temperature, CPU fan speed and voltage. Also, one MIDI/game port and an Audio Jack (line out, line in, and mic. In) are available for multimedia applications. Tekram S3PRO-A/Au comes with Trend® PC-Cillin Anti-virus Software to strengthen the anti-virus ability for the entire PC system. Cost Effective for SI Expandability Barebone welcome

	Microprocessor:
	PPGA 370 support Intel® CeleronTM Processors up to 800MHz Intel® Pentium® III (FC-PGA) Processors up to 866MHz CPU FSB:66/100/133 MHz

	System Core Logics:
	S3PRO-A: VIA® Apollo Pro 133 (North bridge VT82C693AA, South Bridge VT82C686A) S3PRO-Au: VIA® Apollo Pro 133A (North bridge VT82C694X, South Bridge VT82C686A)

	System Memory:
	Max. Capacity: 3 x 168-pin DIMM sockets, up to 768 MB SDRAM support Module: 32/64/128/256 MB single or double sided Memory Module Speed: PC-100/PC-133 SDRAM

	Graphics System:
	S3PRO-A: 2X AGP Slot for upgrade S3PRO-Au: 2X/4X AGP Slot for upgrade

	IDE:
	2 x ATA 33/66 enhance IDE ports, up to 66 MB/s data transfer rate

	Audio System:
	AC97 V2.1 compliant Audio CODAC

I/O Connectors:

Rear I/O Panel 1 x PS/2 Keyboard port 1 x PS/2 Mouse port 2 x 16550 compatible Serial ports 2 x USB ports 1 x Audio (Line Out, Line In, and Mic. In) Jack 1 x EPP/ECP Parallel port 1 x MIDI/Game port Standard I/O Connectors Headers for optional Front I/O Panel 1 x Floppy port (Up to 2.88MB) 1 x Power State header 2 x ATA33/66 IDE ports 1 x Mic. In header 1 x IrDA TX/RX header 1 x Line Out header 1 x Game header 2 x USB headers

	I/O Expansion Slots:
	1 x 2X/4X AGP Slot 5 x PCI Bus Master Slots 1 x AMR Slot for MC-97 Modem upgrade 1 x ISA shared Slot

	Other Features:
	Modem Ring-in/Keyboard/Mouse Power On Wake Up On LAN/Modem (internal)/Modem (external) Hardware Monitoring function (CPU temperature, CPU Fan, Voltage) Anti-Virus PC-Cillin® Software Suspend to RAM (STR) to support "Instantly Available" PC concept (S3PRO-Au)

	System BIOS:
	2Mb Award® BIOS, support ACPI, DMI, PnP Bootable from CD-ROM, SCSI, LS-120, ZIP devices Symbios® ; SCSI BIOS, PC-Cillin® Anti Boot-virus BIOS and OEM logo options available

	ATX Power Connector:
	3V, 5V and 12V 20 pin ATX power connector

	Voltage Regulator:
	Switching Voltage Regulator supports 1.3V to 3.5V, VRM 8.0 compliant

	Micro-ATX Form Factor:
	Dimension 7.5" x 12" or 190mm x 305mm