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1 Motherboard Description
1.1 Overview
The VS440FX motherboard supports Pentium
®
Pro microprocessors operating at 150, 166, 180,
and 200 MHz. The Pentium Pro microprocessor includes 16 KB of L1 cache on the chip. A
256 KB or 512 KB L2 cache device is contained in the same package as the microprocessor. The
motherboard features:
• ATX form factor
• Socket 8 Pentium Pro processor socket
Main Memory
• Four 72-pin SIMM
†
sockets
• Support for up to 256 MB of Extended Data Out (EDO) or fast page memory
• Support for non-parity, parity, or Error Checking and Correcting (ECC) DRAM
Chipset and PCI/IDE Interface
• Intel 82440FX PCIset
• Integrated PCI bus mastering controller
• Two fast IDE interfaces
• Support for up to four IDE drives or devices
• Support for two Universal Serial Bus (USB) interfaces
I/O Features
• PC87308/87307 Super I/O controller
• Integrates standard I/O functions: floppy drive interface, one multi-mode parallel port, two
FIFO serial ports, real-time clock, keyboard and mouse controller, and IrDA
†
-compatible
interface
Expansion Slots
• Three ISA
• Three PCI
• One shared PCI/ISA
Audio Subsystem
• Crystal
†
CS4236 Multimedia codec
• Wavetable upgrade header
Other features
• Plug and Play compatible BIOS
• Support for Advanced Power Management (APM)