User guide

PH440 NLX Motherboard User Guide September 1998
MITSUBISHI ELECTRIC MOTHERBOARD DIVISION PAGE 9 OF 51
MOTHERBOARD FEATURES
Form factor NLX, 9.0" wide x 11.2" long
Processor Slot 1 with the VRM8.2 regulator on motherboard.
Accepts all Pentium II
®
(100MHz bus) processors
Core logic Intel 440BX & PIIX4e
Cache L2 cache included on processor module.
Memory –
RAM
3 DIMM sockets to accept 168 pin un-buffered PC100 SDRAM modules.
64-bit or 72-bit ECC with 1-bit correct, 2-bit detect.
Memory -
Flash ROM
2Mb flash ROM. Includes BIOS, Setup-in-ROM, VGA, USB, DMI,
120MB floppy etc.
Buses Supports 4 bus-master PCI slots and 5 ISA slots via riser.
VGA AGP video via ATI Rage IIc or ATI Rage Pro.
2 or 4MB SGRAM with upgrades via SODIMM module
Audio –
controller
Active speaker support only (external). Internal mono speaker and PCB
mounted ‘beeper’. ESS Solo 1 CODEC.
Hard Disk &
CD-ROM
Dual UltraDMA33 interfaces for hard disk and CD-ROM.
Floppy Disk 720kB, 1.2MB (3-mode), 1.44MB 3½ drives, 1.2MB 5¼ drives.
Support for 120MB drives via ATA port.
Parallel Port IEEE 1284 (ECP & standard) on 25-way D-type
Serial Ports Dual 16550s. Two 9-way D-types on rear edge of motherboard.
USB
Two ports. Two configurations available as build option. Either two ports
on rear panel or one on rear and second through NLX riser.
Keyboard &
Mouse
PS/2-style connectors. USB with legacy support
Security Chassis intrusion detection via riser.
IR I/O Optional through NLX riser (input only).
Power
Management
Green and deep green via system management mode.
ACPI compatible.
Requires logic-controlled PSU.
Standby option with wake-up on interrupt, serial port activity or button.
System
Management
Hardware monitoring (Voltage, temperature and fan monitor) via Heceta II
device.
Plug & Play PC97 and PC98 compliant
Battery back-
up
On-board lithium coin cell with 5 years typical life.
PCB 4-layer NLX form-factor.
All components on top side