INTEL 440BX PENTIUM II / III Twin Processor ATX Motherboard

SPECIFICATIONS

Twin CPU (Slot1 or Socket 370)

Intel Pentium II / III processor or Celeron processor

1.System bus clock equal to 66 Mhz : supports 233 MHz up to 533 MHz CPUs

2.System bus clock equal to 100 Mhz : supports 350 MHz up to 800 MHz CPUs

Chipset

Intel 82440BX AGPset (82443BX, 82371EB) and Winbond W83977TF or EF/CTF/ATF (optional) I/O

CPU Voltage

Switching Voltage Regulator on board, supports +1.30V DC ~ +2.05V DC CPU Core Voltage

System Clock

66.6 MHz or 100 MHz (Auto detected)

Memory

DRAM : Three 168-pin DIMM sockets, support 8, 16MB, 32MB, 64MB or 128MB 3.3V-Unbuffered SDRAM DIMM modules. Memory size up to 384 MB, supports Parity and ECC

BIOS

AWARD System BIOS. (Flash ROM, supports Plug & Play, ACPI, DMI and Green)

Expansion Slots

AGP Slots : 32-bit x 1 (Supports 1x/2x AGP graphics cards)

PCI Slots : 32-bit x 4 (All Master/Slave, PCI 2.1 Compliant)

ISA Slots : 16-bit x 1 (One slot PCI/ISA shared)

ACPI Functions

1. Power on by panel-switch, keyboard, PS/2 mouse, modem ring-in or LAN signal

2. Power off (soft-off) by OS or panel-switch

3. CPU fan auto-off during suspend state

4. Resumed by several system events. (Such as modem ring-in, RTC alarm… etc.)

WOL Connector

One WOL connector supports Wake-On-LAN

USB Ports

Two Universal Serial Bus (USB) ports

SB-LINK Connector

One SB-LINK feature connector for supporting PCI sound cards

IDE Ports

Four channel of IDE ports on board, support up to 8 IDE devices such as Hard Disk, ATAPI CD-ROM and LS-120 / ZIP-100 devices. Access mode supports PIO Mode 4, DMA mode 2 and Ultra DMA/33 .

When HPT366 is installed on the board, IDE 3 and IDE4 will support Ultra DMA/66.

Mouse / Keyboard and Super I/O Ports

1.One PS/2 mouse connector and One PS/2 keyboard connector

2.Two high speed NS16C550 compatible serial ports (UARTs)

3.One SPP/EPP/ECP mode Bi-directional parallel port

4.One floppy disk control port

IR Port

One HPSIR and ASKIR or FasterIR (optional) compatible IR port. One Consumer IR port (optional)

HARDWARE Monitoring (optional)

Winbond W83783S for hardware statuses monitoring, includes six independent voltages, CPU

temperatures, and two fan speed, but also supports speaker alarm-beep during system abnormality

Dimension

4-layers PCB, 305mm x 210mm (small ATX Form-Factor, double-decker I/O connector)

Software Compatibility

MS-DOS, Windows NT, OS/2, NOVELL, Windows 95, Windows 98, LINUX.... etc. fully tested