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124577UG September 1998

MOTHERBOARD DIVISION

User Guide

PH440 NLX Motherboard

www.mitsubishi-motherboard.com

Summary of Contents for PH440

Page 1: ...124577UG September 1998 MOTHERBOARD DIVISION User Guide PH440 NLX Motherboard www mitsubishi motherboard com ...

Page 2: ...perties of their respective owners Details available on request Information contained in this document is subject to change without notice and does not represent a commitment on the part of Mitsubishi Electric Motherboard Division No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording for any purpose without...

Page 3: ... exposed Memory modules and replacement processors are examples of electrostatic sensitive devices ESSDs All work that involves contact with the PH440 NLX Motherboard should be done in an area completely free of static electricity We recommend using a Special Handling Area SHA as defined by EN 100015 1 1992 This means that working surfaces floor coverings and chairs must be connected to a common e...

Page 4: ...ion This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference which can be determined by turning the equipment off and on the ...

Page 5: ... 3 Upgrading the motherboard 14 Adding more memory 14 Fitting and removing DIMMs 14 Fitting a DIMM 15 Removing a DIMM 15 Adding more video memory 15 The processor assembly 16 To fit a new processor 17 Replacing the battery for the configuration CMOS 18 4 Electronics 19 Processor 19 Core Logic 19 Concurrency 20 Level 2 Cache 20 Memory 20 Motherboard 20 DIMM 20 BIOS 20 Configuration RAM 20 Video 21 ...

Page 6: ...aviour 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 ...

Page 7: ... 4 4 0 N L X M o t h e r b o a r d U s e r G u i d e S e p t e m b e r 1 9 9 8 MITSUBISHI ELECTRIC MOTHERBOARD DIVISION PAGE 7 OF 51 6 Electrical 39 Power Requirements 39 PCB 39 7 Connector Assignments 40 ...

Page 8: ...r Pentium II Processor The Pentium II processor adds MMX technology to the P6 micro architecture in a cartridge package which also includes a second level cache The cartridge plugs into a 242 pin slot connector slot 1 on the motherboard and operates at speeds from 233MHz 440BX North bridge The 440BX North bridge connects the processor to the SDRAM main memory an AGP port and PCI bus interface The ...

Page 9: ...eeper 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 3 drives 1 2MB 5 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...

Page 10: ...Video memory and upgrade socket AMC connector MIDI joystick header Heceta II system monitor 5V supply to VGA connector pin 9 Dual rear USB or single rear and riser Contact Mitsubishi Electric Motherboard Division to determine available configurations User Configurable The user can configure the following items Processor Intel boxed products Main memory DIMMs Video memory upgrade where available Pr...

Page 11: ... TSSOP40 82443BX NORTHBRIDGE 492 BGA PIIX4e 324 BGA MEMORY DIMMS X 3 HOST BUS NLX RISER ISA BUS ESS SOLO1 AUDIO ATI RAGE VGA CLOCK BUFFER SMSC 37C67X SUPER I O 100 PQFP KEYBOARD MOUSE PARALLEL PORT SERIAL COM1 SERIAL COM2 MIC IN LINE IN LINE OUT VGA OUTPUT REAR PANEL CONNECTORS VGA MEMORY SGRAMX2 VGA MEMORY UPGRADE SODIMM 144 CORE VOLTAGE DC DC CONVERTOR MOTHERBOARD CLOCK GENERATOR USB HECETA 2 SL...

Page 12: ...m cell 2 Processor socket 3 Processor fan power 4 Memory DIMMs 5 Multimedia upgrade connector 6 Video memory upgrade socket 7 ATAPI CD Audio 8 MIDI joystick header 9 NLX riser connector J1 4 Processor speed selection J5 Video enable jumper J6 Motherboard audio enable J7 BIOS write protect J8 Configuration memory clear J9 Motherboard speaker enable A Line input B Microphone input C Line output D US...

Page 13: ... 2 Disable on board VGA controller 2 3 Enable on board VGA controller PCI Audio CODEC Enable J6 1 2 Enable audio CODEC 2 3 Disable audio CODEC BIOS Program Enable J7 1 2 Disable BIOS updates 2 3 Enable BIOS updates Clear Configuration CMOS Memory J8 Ensure AC is disconnected from the power supply before moving this jumper 1 2 Normal operation 2 3 Clear CMOS jumper must be returned to normal positi...

Page 14: ...l Inline Memory Module sockets each of which accepts DIMMs of up to 128 Mbytes in any combination The slot furthest from the processor MM1 should be used first DIMM specification The memory modules should meet the PC100 specification Fitting and removing DIMMs Read all of these instructions through carefully before you start work Turn off the computer and unplug all power cords Take suitable anti ...

Page 15: ...RE VIDEO MEMORY Video memory is memory reserved for use by the on board video controller More video memory can provide more colours or higher resolutions to an extent determined by the capabilities of your monitor Check the amount of video memory fitted in your computer You must fit a module of equal value For example if your computer has 2MB of video memory you must fit a 2MB SODIMM Small Outline...

Page 16: ...stem cover 2 If the system was in use just before starting this procedure the processor may be hot wait until it cools 3 If there are any expansion cards fitted that obstruct access to the processor you may have to remove them 4 See A in the illustration Carefully squeeze together the grips at both ends 1 of the heatsink support bracket 2 and slide it away Some designs of heatsink do not have this...

Page 17: ...he socket Ensure that the retaining pins snap into the sockets on the end supports 4 Refit the heatsink support making sure that it is correctly and fully seated on the pins It should snap into place This bracket may not be fitted with some heatsink designs or may not be needed with the new processor 5 The upgrade or overdrive processor may have its own cooling fan built into the heatsink This wil...

Page 18: ...onic items Read carefully the following instructions before commencing work 1 Turn off the computer and unplug all power cords Warning Do not use a metal or other conductive implement to remove the battery If a short circuit is accidentally made between its positive and negative terminals it may cause the battery to explode 2 Using a non conductive implement release the latch that holds the batter...

Page 19: ...luding a CPU fan supply CORE LOGIC The core logic is based around the Intel 440BX PCI AGP Controller PAC and the PIIX4e multi function ISA bridge The features of each are summarised below 440BX Host bridge Slot1 host bridge DRAM controller supporting SDRAM main memory with optional ECC PCI 2 1 compliant AGP compliant target Virtual PCI to PCI bridge to support AGP bus Packaged in a 492 Pin BGA PII...

Page 20: ...mine the memory configuration and set up the chipset optimally These modules contain a small EEPROM that describes the module capabilities in detail including speed capacity and organisation 64 bit or 72 bit ECC modules 2 or 4 bank organisation Asymmetric or symmetric memory addressing Single or double sided modules BIOS The BIOS is contained in a flash ROM device soldered directly to the motherbo...

Page 21: ...t to 133MHz 66MHz option 230MHz integrated RAMDAC 100MHz 64 bit SGRAM video memory 800MBps DDC1 DDC2B DPMS and Energy Star 2D acceleration 3D acceleration with triangle setup engine and texture cache Rage Pro only Motion video acceleration with MPEG2 assist Multimedia channel for upgrades AMC connector The allowable memory upgrade paths are shown in the table below The entries are the total memory...

Page 22: ...igned to improve the performance of 3D graphics displays The specification is based on PCI but is point to point and provides for data rates over 500MBps The implementation on this motherboard is a private local bus between the chipset and the Rage Pro video controller The bus can operate in 1X or 2X modes as defined by the AGP specification When a Rage IIc device is fitted the interface between t...

Page 23: ...be used Channel CODEC LINE Rear line input jack socket CODEC AUXA CD input from riser or from motherboard connector CODEC AUXB VGA AMC Connector CODEC MIC Rear microphone jack socket or Riser connection CODEC Mono In Modem in audio from Riser The following audio connectors are supported Rear 3 5mm jack microphone input with phantom power Rear 3 5mm jack LINE in Rear 3 5mm jack LINE out Internal CD...

Page 24: ...dard output only PC parallel port as well as a bi directional PS 2 style parallel port There is a 25 way D type connector on the rear panel ADDITIONAL I O IDE Disk Controller Two UltraDMA33 IDE ports are provided with the controller integrated into the PIIX4e This allows for a maximum of four drives to be connected two to each port Normally the primary port would be used for hard disk drives and t...

Page 25: ...pressed Standby soft power off Machine powers up and executes POST POST DOS or APM O S Machine powers off into standby state Behaviour After AC Disconnect The Wake on AC connect BIOS option and the state of the lithium cell determine the behaviour of the motherboard after an AC disconnect The table below describes this Conditions Action on AC Reconnect CMOS RAM cleared This is the state of a new m...

Page 26: ...ed by the motherboard such that it stops rotating when the system is in Suspend mode As a build option the PH440 NLX motherboard supports variable fan speed control in which the speed of the fan is raised as the temperature of the processor increases This considerably reduces fan noise in normal operation The variable fan speed option can only be used with an ACPI aware operating system such as Wi...

Page 27: ...cate DMA channels not normally available on the ISA bus ISA Interrupts IRQ Usual Assignment Fixed PCI IRQ0 System timer YES IRQ1 Keyboard NO IRQ2 IRQ8 15 Cascade YES IRQ3 Serial port 2 NO X IRQ4 Serial port 1 NO X IRQ5 ISA PCI bus Audio NO X IRQ6 Floppy disk NO X IRQ7 Parallel port NO X IRQ8 Real time clock NO IRQ9 ISA PCI bus X IRQ10 ISA PCI bus X IRQ11 ISA PCI bus X IRQ12 PS 2 Mouse NO X IRQ13 F...

Page 28: ... 0 7 1 18 IDE controller 0 7 2 18 USB controller 0 7 3 18 Power management SMbus controllers 1 06 0 16 AGP video controller PCI Arbitration PIIX4e request level Bus Function 0 0 PCI slot 1 1 0 PCI slot 2 2 0 PCI slot 3 3 0 PCI slot 4 4 0 PCI audio CODEC Note that the arbiter implements a round robin scheme and thus no request level has fixed priority over another The AGP video controller does not ...

Page 29: ...uding memory and compares the actual configuration of the computer with that recorded in permanent CMOS memory A configuration discrepancy could arise if you have just installed or removed a hardware option for example if you have added or replaced an expansion card BIOS SETUP To start the BIOS Setup utility 1 Turn on or restart your computer 2 When you see Press F2 to enter setup appear on the sc...

Page 30: ...s as you move the cursor from one field to another Reserving ISA legacy resources To reserve interrupts and upper memory block UMB regions for ISA expansion cards go to the Advanced menu select PCI Configuration then select PCI PNP ISA IRQ Resource Exclusion or PCI PNP ISA UMB Region Exclusion as required MULTI BOOT FACILITY Immediately after the first screen a second screen displays various POST ...

Page 31: ...iguration has changed such as an expansion card has been added but the configuration data could not be updated This is normally caused by the BIOS program enable jumper being in the disable position For configuration changes to be correctly recorded the jumper must be in the enable position Invalid System Configuration Data run configuration utility The data describing the system configuration is ...

Page 32: ...ucted in the previous chapter then use BIOS Setup to reconfigure the system System cache error cache disabled The RAM cache failed POST and BIOS disabled it System CMOS checksum bad run Setup System CMOS has been corrupted or modified incorrectly perhaps by an application program that changes data stored in CMOS Run BIOS Setup and reconfigure the system either by getting the default values or by m...

Page 33: ...ent 11h Load alternate registers with initial POST values 12h Restore CPU control word during warm boot 13h Initialise PCI Bus Mastering devices 14h Initialise keyboard controller 16h BIOS ROM checksum 17h Initialise cache before memory autosize 18h 8254 timer initialisation 1Ah 8237 DMA controller initialisation 1Ch Reset Programmable Interrupt Controller 20h Test DRAM refresh 22h Test 8742 Keybo...

Page 34: ...ialise all video adapters in system 4Bh Display QuietBoot screen 4Ch Shadow video BIOS ROM 4Eh Display BIOS copyright notice 50h Display CPU type and speed 51h Initialise EISA board 52h Test keyboard 54h Set key click if enabled 56h Enable keyboard 58h Test for unexpected interrupts 59h Initialise POST display service 5Ah Display prompt Press F2 to enter SETUP 5Bh Disable CPU cache 5Ch Test RAM be...

Page 35: ...l external parallel ports 85h Initialise PC compatible PnP ISA devices 86h Re initialise onboard I O ports 87h Configure Motheboard Configurable Devices 88h Initialise BIOS Data Area 89h Enable Non Maskable Interrupts NMIs 8Ah Initialise Extended BIOS Data Area 8Bh Test and initialise PS 2 mouse 8Ch Initialise floppy controller 8Eh Autotype 8Fh Determine number of ATA drives 90h Initialise hard di...

Page 36: ...on B8h Clear global descriptor table B9h Clean up all graphics BAh Initialise DMI parameters BBh Initialise PnP Option ROMs BCh Clear parity ch eckers BDh Display MultiBoot menu BEh Clear screen optional BFh Check virus and backup reminders C0h Try to boot with INT 19 C1h Initialise POST Error Manager PEM C2h Initialise error logging C3h Initialise error display function C4h Initialise system erro...

Page 37: ...S E8h Initialise Multi Processor E9h Set Huge Segment EAh Initialilze OEM special code EBh Initialise PIC and DMA ECh Initialise Memory type EDh Initialise Memory size EEh Shadow Boot Block EFh System memory test F0h Initialise interrupt vectors F1h Initialise Run Time Clock F2h Initialise video F3h Initialise beeper F4h Initialise boot F5h Clear Huge segment F6h Boot to Mini DOS F7h Boot to Full ...

Page 38: ...h Program sector 18h Verify sector E0h Memory allocation error E1h File not found E2h Path not found E3h No handles available E4h Access denied E5h Invalid access code E6h Undefined file open error E7h Access denied on file read E8h Invalid handle E9h Undefined file read error EAh File close failure EBh Chip ID failure ECh Sector erase failure EDh Sector protect failure EEh Sector program failure ...

Page 39: ...rst case results They should not however be regarded as maximum values Supply 5V standby 5V 3 3V 12V 12V 5V Voltage Tolerance 5 5 3 5 5 5 Maximum Current in above configuration 20mA 5A 3A 300mA 100mA 100mA Warning Ensure that the system does not overload the 5V standby output of the power supply permanent damage to the motherboard may result This motherboard requires a 5V standby supply to operate...

Page 40: ... Description 1 CLK I O Data clock 2 VCC O 5V Power 3 GND Signal ground 4 NC No connect 5 DATA I O Serial data 6 NC No connect Serial Port 1 and Serial Port 2 9 way D type Installation guide references E and H 5 1 6 9 10101 Pin Signal Direction Description 1 DCD I Data Carrier Detect 2 RXD I Receive Data 3 TXD O Transmit Data 4 DTR O Data Terminal Ready 5 GND I Signal ground 6 DSR I Data Set Ready ...

Page 41: ...3 1 25 14 Pin Standard mode ECP mode Direction 1 STB STB 2 DATA0 DATA0 I O 3 DATA1 DATA1 I O 4 DATA2 DATA2 I O 5 DATA3 DATA3 I O 6 DATA4 DATA4 I O 7 DATA5 DATA5 I O 8 DATA6 DATA6 I O 9 DATA7 DATA7 I O 10 ACK ACK I 11 BUSY BUSY I 12 PE PE I 13 SLCT SLCT I 14 AFD AFD O 15 ERR ERR I 16 INIT INIT O 17 SLIN SLIN O 18 GND GND 19 GND GND 20 GND GND 21 GND GND 22 GND GND 23 GND GND 24 GND GND 25 GND GND ...

Page 42: ...No Connect 12 Monitor ID 1 5 GND 13 HSYNC 6 Red Return 14 VSYNC 7 Green Return 15 Monitor ID 3 8 Blue Return USB Ports 0 and 1 USB port 1 on the rear panel is an option Installation guide reference D Port 1 Port 0 1 4 1 4 Pin Signal Direction Description 1 VCC O 5V Power 2 DATA I O Differential Serial Data 3 DATA I O Differential Serial Data 4 GND Signal ground Line Input and Output 3 5mm stereo j...

Page 43: ...3 Pin Signal Direction Description 1 GND Signal ground 2 12V Power O DC fan drive voltage 3 FAN_TACH I Tacho sense from fan Internal CD audio 4 way ATAPI header Installation guide reference 7 Pin Signal Direction Description 1 LEFT I Left audio input 2 GND Signal ground 3 GND Signal ground 4 RIGHT I Right audio input MIDI Joystick 16 way dual row header Installation guide reference 8 Pin Signal Pi...

Page 44: ...D 2 PIXEL DATA0 3 Digital GND 4 PIXEL DATA1 5 Digital GND 6 PIXEL DATA2 7 EVIDEO 8 PIXEL DATA3 9 ESYNC 10 PIXEL DATA4 11 EDCLK 12 PIXEL DATA5 13 SAD4 14 PIXEL DATA6 15 Digital GND 16 PIXEL DATA7 17 Digital GND 18 DCLK 19 Digital GND 20 SAD0 21 VFSENSE 22 SAD1 23 I2 C CLOCK 24 SAD2 25 Key 26 Digital GND 27 Key 28 Key 29 5V Power 30 SAD3 31 RESET 32 SAD7 33 SAD6 34 SAD5 35 I2 C DATA 36 REV 37 Audio ...

Page 45: ...7 3 3V B17 PCI_REQ0 A18 PCI_REQ2 RISER B18 GND A19 PCI_REQ3 RISER B19 PCI_AD29 RISER series A20 PCI_AD30 RISER series B20 PCI_AD28 RISER series A21 GND B21 PCI_AD26 RISER series A22 PCI_AD25 RISER series B22 3 3V A23 PCI_REQ1 RISER B23 PCI_AD24 RISER series A24 PCI_AD27 RISER series B24 PCI_CBE3 A25 3 3V B25 PCI_AD22 RISER series A26 PCI_AD23 RISER series B26 GND A27 PCI_AD20 RISER series B27 PCI_...

Page 46: ... Pin Signal Terminator Pin Signal Terminator A43 PCI_AD0 RISER series B43 PCI_AD11 RISER series A44 PCI_AD6 RISER series B44 PCI_AD12 RISER series A45 3 3V B45 PCI_AD9 RISER series A46 PCI_AD5 RISER series B46 3 3V A47 PCI_AD1 RISER series B47 PCI_AD8 RISER series A48 PCI_AD3 RISER series B48 PCI_AD7 RISER series A49 GND B49 PCI_AD4 RISER series A50 PCI_AD2 RISER series B50 GND A51 5V B51 PCI_PME ...

Page 47: ...SA_SA13 MB 10k 5V A68 ISA_DACK1 B68 5V A69 ISA_DRQ1 MB 5k6 GND B69 ISA_REFRESH MB 1k 5V A70 ISA_SA12 MB 10k 5V B70 ISA_SA11 MB 10k 5V A71 ISA_SYSCLK MB series B71 ISA_SA10 MB 10k 5V A72 ISA_SA9 MB 10k 5V B72 ISA_IRQ7 MB 10k 5V A73 5V B73 ISA_IRQ6 MB 10k 5V A74 ISA_IRQ5 MB 10k 5V B74 ISA_SA8 MB 10k 5V A75 ISA_SA7 MB 10k 5V B75 ISA_SA6 MB 10k 5V A76 ISA_IRQ3 MB 10k 5V B76 IA_DACK2 A77 ISA_IRQ4 MB 10...

Page 48: ...nstallation guide reference 9 Pin Signal Terminator Pin Signal Terminator A94 ISA_SD9 MB 10k 5V B94 ISA_DACK6 A95 ISA_DRQ5 MB 5k6 GND B95 ISA_SD10 MB 10k 5V A96 ISA_DRQ6 MB 5k6 GND B96 5V A97 5V B97 ISA_SD11 MB 10k 5V A98 ISA_SD12 MB 10k 5V B98 ISA_DRQ7 MB 5k6 GND A99 ISA_DACK7 B99 ISA_SD13 MB 10k 5V A100 ISA_SD14 MB 10k 5V B100 ISA_SD15 MB 10k 5V A101 ISA_MASTER MB 330R 5V B101 GND ...

Page 49: ...17 PIDE_DA2 MB series 33R B117 PIDE_DA1 MB series 33R A118 PIDE_CS1 MB series 33R B118 PIDE_DA0 MB series 33R A119 5V B119 PIDE_CS3 MB series 33R A120 NC PDASP B120 SIDE_D8 MB series 33R A121 SIDE_RESET MB series 33R B121 SIDE_D7 MB 33R series A122 SIDE_D9 MB series 33R B122 GND A123 SIDE_D6 MB series 33R B123 SIDE_D10 MB series 33R A124 SIDE_D5 MB series 33R B124 5V A125 SIDE_D11 MB series 33R B1...

Page 50: ...MOTHERBOARD DIVISION PAGE 50 OF 51 NLX Riser Connector Gold fingers IDE and Floppy Disk Interfaces Installation guide reference 9 Pin Signal Terminator Pin Signal Terminator A145 GND B145 FD_WDATA A146 FD_WGATE B146 FD_TRK0 A147 FD_STEP B147 NC MSEN0 A148 FD_WPRT B148 FD_RDATA A149 FD_HDSEL B149 FD_DCHG ...

Page 51: ...LX_USBP1 B158 GND A159 PIIX_SBOC1 B159 STANBY_LED A160 NC USB2N B160 PSU_PWRGOOD A161 NC USB2P B161 COR_SBYBTN A162 NC USB2OC B162 PSU_ON A163 GND B163 LAN_WAKE A164 VBATNLX B164 NC LANLED A165 INTRUDE MB 1M VBAT B165 NC MDMWAKE A166 MSG_LED B166 NC 1394PWR A167 NC 1394GND B167 NC RSVD7 A168 NC RSVD4 B168 NC RSVD6 A169 5VSBY B169 NC RSVD5 A170 3V3 SENSE B170 NC 5V NLX Supplemental Connector Instal...

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