Processor/Cache
Processors Supported: Pentium III processors 600 MHz and 533 MHz with 133-MHz system bus and 512 K of integrated L2 cache

Intel Pentium III processors 600 MHz to 450 MHz with 100-MHz system bus and 512 K of integrated L2 cache

Intel Pentium II processors 450 MHz to 350 MHz with 100-MHz system bus and 512 K of integrated L2 cache

Intel Chipset
Intel 82820 chipset consisting of: Intel 82820 Memory Controller Hub (MCH)
Intel 82801AA I/O Controller Hub (ICH)
Intel 82802AB Firmware Hub (FWH)

Intel 82820 Memory Controller Hub (MCH)
System Bus Supports 100-MHz and 133-MHz system bus
AGP AGP 2.0 Compliant Interface (1X, 2X or 4X)

System Memory
Memory Capacity: 3 (possibly 2 in final version) 168-pin RAMBUS* interface memory module (RIMM*) connectors with support for up to 512 MB of memory.

Memory Type/Size Supports PC600, PC700 and PC800 RAMBUS memory with both ECC and non-ECC as follows:

PCxxx Memory Bus Speed: Processor Host Bus 100 MHz: Processor Host Bus 133 MHz

PC600 300 MHz Supported Not Supported

PC700 356 MHz Not Supported Supported

PC800 400 MHz Supported Supported

RIMM Sizes 64 MB, 96 MB, 128 MB, 256 MB

Intel 82801AA I/O Controller Hub (ICH) Integrated IDE Two independent channels for four IDE Accelerator devices Ultra ATA/66, Ultra ATA/33, PIO Modes 0, 3 & 4 and CD-ROM support USB Two stacked USB connectors

Intel 82802AB Firmware Hub (FWH) System BIOS 4-mb Flash EEPROM with Intel/AMI* BIOS featuring Plug and Play, IDE drive auto-configure, Advanced Power Management (APM) 1.2, ACPI 1.0, DMI 2.0, Multilingual support, hardware random number generator

Integrated Super I/O Controller SMSC LPC47M102 Ultra I/O Controller Serial Ports Two FIFO serial ports
Async, RS-232C, PC16450/16C550A compatible Parallel Port Compatible, Bi-directional, ECP, EPP (IEEE 1284 compliant)

Floppy Controller 1.44 MB, 2.88 MB, 3-Mode support
Keyboard/Mouse 8042A Compatible Controller
Real Time Clock Century Reg. +/- 13 min/yr accuracy
APM/ACPI Power ON/OFF, Sleep/Resume features
Supports Instantly Available PC through Suspend to RAM

AGP Universal Connector
Supports AGP 4X, 2X or 1X

Integrated Audio
Creative Labs* Sound Blaster* ES 1373 PCI with 128-voice wavetable synthesis, compatible withSound Blaster* Pro, Windows* Sound System and Roland* MPU-401*, supports Microsoft* DirectSound 3D, Ensoniq* 3D Positional Audio and Aureal* A3D*

Audio/Modem Riser (AMR) Connector Supports add-in cards that meet revision 1.01 of the Audio/Modem Riser Specification

Enhanced Diagnostics
Four dual-color LEDs on back panel for hardware diagnostic decoding during power on self test

Jumpers and Front Panel Connectors
Connectors: Reset, Power LEDs, HD LED, power on/off, 3 Fans

Jumpers: Single jumper to set configuration mode for the BIOS Setup program

Expansion Slots (all full length)
Description: 5 dedicated PCI slots, 1 AGP universal connector and 1 Audio/Modem Riser (AMR) connector

Mechanical
Board Style ATX mounting holes and external connector placement Board Size 12.0" x 8.2"

Baseboard Power Requirements +3.3 V Tolerance +/-5% 1.8A +5 V Tolerance +/-5% 2.0A +5 V Tolerance +/-5% 0.7A (standby) -5 V Tolerance +/-5% 0.8A +12 V Tolerance +/-5% 0.2A -12 V Tolerance +/-5% 0.6A