User guide

PH440 NLX Motherboard User Guide September 1998

MITSUBISHI ELECTRIC MOTHERBOARD DIVISION PAGE 6 OF 51

Keyboard and Mouse ............................................................................................................... 24

Floppy Disk Interface...............................................................................................................24

Serial Ports............................................................................................................................... 24

Parallel Port..............................................................................................................................24

Additional I/O................................................................................................................................24

IDE Disk Controller................................................................................................................. 24

Universal Serial Bus (USB) ..................................................................................................... 24

Security.......................................................................................................................................... 24

Motherboard Power ....................................................................................................................... 25

Processor Power....................................................................................................................... 25

Battery......................................................................................................................................25

Power Management ....................................................................................................................... 25

Standby Switch.........................................................................................................................25

Behaviour After AC-Disconnect.............................................................................................. 25

Sleep State Indication............................................................................................................... 25

System Management...................................................................................................................... 26

Heceta II System Monitor ........................................................................................................26

Fan Control.................................................................................................................................... 26

Expansion Slots ............................................................................................................................. 26

Industry Standard Architecture (ISA) ...................................................................................... 26

Peripheral Component Interconnect (PCI)............................................................................... 26

Bus Resource Utilisation ...............................................................................................................27

ISA DMA Channels.................................................................................................................27

ISA Interrupts........................................................................................................................... 27

PCI Interrupts........................................................................................................................... 27

PCI Device Selection (motherboard devices)........................................................................... 28

PCI Arbitration......................................................................................................................... 28

5 BIOS Setup & POST 29

BIOS Setup.................................................................................................................................... 29

Control keys ............................................................................................................................. 29

Getting help in BIOS Setup......................................................................................................30

Reserving ISA legacy resources............................................................................................... 30

Multi-boot facility.......................................................................................................................... 30

Power-on self-test ..........................................................................................................................31

Recoverable POST errors.........................................................................................................31

Terminal POST errors and beep codes.....................................................................................32