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MITSUBISHI ELECTRIC MOTHERBOARD DIVISION

PAGE 40 OF 47

 ) 2  &

(Installation guide reference B)

Port 1

Port 0

1

4

1

4

(!

 

1

VCC

O

+5V  Power

2

DATA-

I/O

Differential Serial Data -

3

DATA+

I/O

Differential Serial Data +

4

GND

-

Signal ground

3  !  % 451  6(

(Installation guide references H and F)

(!

Sleeve

GND

Tip

Left channel

Ring

Right channel

 * ! 451  6(

(Installation guide reference G)

(!

Sleeve

GND

Tip

Mono input

Ring

Electret bias voltage

)    4 $ * $ * (  

(Installation guide reference PL3, PL2)

(!

 

1

GND

-

Signal ground

2

+12V Power

O

DC fan drive voltage

3

FAN_TACH#

I

Tacho sense from fan

Summary of Contents for IN440 Micro-ATX

Page 1: ...164831UG January 1999 User Guide IN440 Micro ATX Motherboard www trimond com ...

Page 2: ...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 the express written permission of the publishers Published by Mitsubishi Electric Motherboard Division 35...

Page 3: ...s of electrostatic sensitive devices ESSDs All work that involves contact with the IN440 Micro ATX 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 earth reference point and you should wear an earthed wris...

Page 4: ... 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 user is encouraged to try to correct the interference by one or more of the fol...

Page 5: ...Y 15 To fit a new processor 16 REPLACING THE BATTERY FOR THE CONFIGURATION CMOS 17 4 ELECTRONICS 18 PROCESSOR 18 CORE LOGIC 18 Concurrency 19 LEVEL 2 CACHE 19 MEMORY 19 DIMM 19 BIOS 19 VIDEO 20 AUDIO 20 ESS Solo 1 20 REAL TIME CLOCK 21 STANDARD I O 21 Keyboard and Mouse 21 Floppy Disk Interface 21 Serial Ports 21 Parallel Port 21 ADDITIONAL I O 21 IDE Disk Controller 21 Universal Serial Bus USB 21...

Page 6: ...des 30 6 ELECTRICAL 37 POWER REQUIREMENTS 37 PCB 37 7 CONNECTOR ASSIGNMENTS 38 Keyboard and Mouse PS 2 Mini DIN 38 Serial Port 1 and Serial Port 2 9 way D type 38 Parallel Port 25 way D type 39 USB Ports 0 and 1 40 Line Input and Output 3 5mm stereo jack 40 Microphone Input 3 5mm stereo jack 40 Processor and System Fan 3 way header with locking ramp 40 Internal CD audio 4 way green ATAPI header 41...

Page 7: ...ro architecture and include MMX technology Two package styles are available cartridge slot 1 pin grid array socket 370 IN440 requires the cartridge versions All three cartridge variations are supported SEPP Celeron SECC Pentium II and SECC2 Pentium II and Pentium III The 440ZX North bridge connects the processor to the SDRAM main memory an AGP port and PCI bus interface The device is housed in a 4...

Page 8: ...ve 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 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 por...

Page 9: ...io with MIDI joystick support Heceta II system monitor Please contact Mitsubishi Electric Motherboard Division to determine available configurations The user can configure the following items Processor Intel boxed products Main memory DIMMs Processor speed core bus ratio BIOS ROM write enable Audio enable disable Hard or soft switch power supply ...

Page 10: ...PL12 Line In 1 PL16 IN440 Block Diagram v1 0 Parallel Port PL10 Line In 2 PL11 Floppy PL13 TELEPHONE PL17 CLK BUFF ICW W149 IC4 CLK synth ICW W149 IC4 ISA BUS PCI BUS CPU SLOT 1 IC7 SYSTEM BUS CORE CHIPSET 443ZX IC9 AGP BUS AGP CONN PL21 MEM BUS SDIMM MODULES MM1 2 AUDIO CODEC SOLO 1 IC16 Mic In PL23 Line Out PL16 PCI ISA BRIDGE PIIX4E IC22 BIOS ROM IC24 Dual USB PL5 Prim IDE PL15 Sec IDE PL14 ...

Page 11: ...can cause permanent damage to electronic components You should be aware of this risk and take precautions against the discharge of static electricity B A PL7 1 PL8 PL6 PL15 PL14 PL13 PL20 PL19 PL4 MM2 MM1 PL3 PL2 J1 PL21 PL23 PL24 PL25 PL26 PL18 PL22 D G PL17 PL12 PL11 2 C E F H J PL9 ...

Page 12: ...ect connector PL21 AGP Connector E Serial port COM 2 PL8 Power connector PL22 PCI Audio Disable Jumper F Line Output PL9 Front Panel Connector PL23 PCI Slot 1 Connector G Microphone Input PL11 ATAPI Telephony black PL24 PCI Slot 2 Connector H Line Input PL12 ATAPI CD audio in green PL25 PCI Slot 3 Connector J MIDI Joystick The processor operating frequency is a multiple of the bus speed 66 or 100M...

Page 13: ...dates 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 position before power on Link 1 2 and 3 4 when 5V standby rail is not available BIOS Updates Disabled BIOS Updates Enabled Clear CMOS Normal Operation ...

Page 14: ...o 128 Mbytes in any combination The slot furthest from the processor MM2 should be used first DIMM specification The memory modules must meet the PC66 66MHz processors or PC100 100MHz processors specification Read all of these instructions through carefully before you start work Turn off the computer and unplug all power cords Take suitable anti static precautions and remove the system cover Leave...

Page 15: ... and unplug all power cords Take suitable anti static precautions and remove the system 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 hea...

Page 16: ...ports Do not use excessive force 3 Apply just enough pressure to overcome the resistance offered by the 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 process...

Page 17: ...mall battery powered electronic 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 tool 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 tool release the latch that...

Page 18: ... 2 specification The design meets the 66MHz and 100MHz Slot 1 flexible motherboard recommendations and supports boxed products processors including a CPU fan supply The core logic is based around the Intel 440ZX PCI AGP Controller PAC and the PIIX4e multi function ISA bridge The features of each are summarised below Slot1 host bridge DRAM controller supporting SDRAM main memory PCI 2 1 compliant A...

Page 19: ...e required when using processors with a 100MHz bus Either PC66 or PC100 modules may be used with 66MHz bus processors All modules must support SPD serial presence detect to allow the BIOS to determine 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 EDO modules a...

Page 20: ... compatible MIDI interfaces 5 channel input mixer One power amplifier is used a National Semiconductor LM4880 Boomer to drive the LINE out jack socket and the optional internal speaker The microphone input provides power to enable condenser microphones to be used CODEC LINE Rear line input jack socket CODEC AUXA Internal CD input ATAPI connector CODEC AUXB Internal auxiliary LINE input ATAPI conne...

Page 21: ...onnectors on the rear panel The maximum Baud rate is 115K bits per second This is EPP 1 7 1 9 and IEE1284 ECP compliant and is compatible with a standard 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 Two UltraDMA33 IDE ports are provided with the controller integrated into the PIIX4e This allows for a maximum ...

Page 22: ...s up and executes POST POST DOS or APM O S Machine powers off into standby state 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 CMOS RAM cleared This is the state of a new motherboard before assembly This also occurs after battery removal or failure Motherboard waits for standby s...

Page 23: ... signals Monitoring of system 12V 5V 3 3V CPU core 12V and 2 5V power rails Monitoring of system temperature actually the motherboard surface temperature Monitoring of chassis intrusion top cover The system fan is controlled by the motherboard such that it stops rotating when the system is in Suspend mode As a build option the IN440 MICRO ATX motherboard supports variable fan speed control in whic...

Page 24: ... MITSUBISHI ELECTRIC MOTHERBOARD DIVISION PAGE 24 OF 47 A single AGP slot is available that supports both 1X 66MHz and 2X 133MHz modes of operation This is normally used for video cards ...

Page 25: ...available on the ISA bus 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 Floating point error YES IRQ14 Primary hard disk If drive connected X IRQ15 Se...

Page 26: ... 3 18 Power management SMbus controllers 1 01 0 16 AGP video card 0 1 0 0 PCI slot 1 1 0 PCI slot 2 2 0 PCI slot 3 3 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 card does not consume any PCI bandwidth and competes for memory resource independently 1 PCI to PCI bridges translate address lines from AD...

Page 27: ...g 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 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 screen press the ...

Page 28: ...as you move the cursor from one field to another 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 Immediately after the first screen a second screen displays various POST messages such as the memory test While this screen is...

Page 29: ... 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 incorrect and should be updated This can be done by checking t...

Page 30: ...ted 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 mak...

Page 31: ...ues 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 Keyboard Controller 24h Set ES segment register to 4 GB 26h...

Page 32: ...Boot 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 between 512 and 640 KB 5Eh Base address 60h Test extend...

Page 33: ...e 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 disk controllers 91h Initialise local bus hard disk con...

Page 34: ... 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 error handler C5h Dual cmos init C6h Dock init C7h Dock i...

Page 35: ... 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 DOS ...

Page 36: ...ion 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 EFh Sector verify error 88h Video not found FFh Incor...

Page 37: ...1 3A 300mA 30mA 0mA Note that these figures do not cover cards plugged into the slots Note For PCI 2 2 PC99 compliance the 3 3 Volt standby rail is derived from the 5V standby output Ensure the PSU used can supply the current required by the PCI cards when operating in standby When operating this motherboard with a power supply that does not provide a 5V standby output the PL4 jumpers must be fitt...

Page 38: ...3 GND Signal ground 4 NC No connect 5 DATA I O Serial data 6 NC No connect 0 Installation guide references C and E 5 1 6 9 10101 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 7 RTS O Request to Send 8 CTS I Clear to Send 9 RI I Ring Indicate ...

Page 39: ... 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 40: ...3 DATA I O Differential Serial Data 4 GND Signal ground 3 451 6 Installation guide references H and F Sleeve GND Tip Left channel Ring Right channel 451 6 Installation guide reference G Sleeve GND Tip Mono input Ring Electret bias voltage 4 Installation guide reference PL3 PL2 1 GND Signal ground 2 12V Power O DC fan drive voltage 3 FAN_TACH I Tacho sense from fan ...

Page 41: ... input 3 7 Installation guide reference PL11 1 LEFT I Left audio input 2 GND Signal ground 3 GND Signal ground 4 RIGHT I Right audio input 7 Installation guide reference PL17 1 Input I Input from MODEM 2 GND Signal ground 3 GND Signal ground 4 MIC O Microphone output to MODEM 25 8 Installation guide references PL7 1 Switch input Switch should be open when chassis is closed 2 GND ...

Page 42: ...PAGE 42 OF 47 9 1 Installation guide reference J Installation guide reference J 1 FUSED 5V POWER 2 JAB1 3 JACX 4 GND 5 GND 6 JACY 7 JAB2 8 FUSED 5V POWER 9 FUSED 5V POWER 10 JBB1 11 JBCX 12 MIDI OUT 13 JBCY 14 JBB2 15 MIDI IN 8 1 15 9 8 1 15 9 ...

Page 43: ...tion guide reference PL13 1 GND 2 MODE 3 GND 4 DENSEL 5 Key 6 DS3 7 GND 8 INDEX 9 GND 10 DS0 11 GND 12 DS2 13 GND 14 MOTOR 15 GND 16 DIR 17 GND 18 STEP 19 GND 20 WRDATA 21 GND 22 WE 23 GND 24 TRK0 25 GND 26 WP 27 GND 28 JBB2 29 GND 30 RDDATA 31 GND 32 HDSEL 33 GND 34 DSKCHG ...

Page 44: ...ND 3 DATA7 4 DATA8 5 DATA6 6 DATA9 7 DATA5 8 DATA10 9 DATA4 10 DATA11 11 DATA3 12 DATA12 13 DATA2 14 DATA13 15 DATA1 16 DATA14 17 DATA0 18 DATA15 19 GND 20 Key 21 DMAREQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 IORDY 28 SPS_CSL 29 DMACK 30 GND 31 INTRQ 32 IOCS16 33 A1 34 PDIAG 33 A0 36 A2 33 CS1FX 38 CS3FX 33 DASP 40 GND ...

Page 45: ...t used 12 Key pin missing 13 Hard disk activity LED 14 Key pin missing 15 GND 16 Hard disk activity LED 17 Key pin missing 18 Power LED 19 Key pin missing 20 Power LED 21 Key pin missing 22 Reset switch 23 GND 24 GND 25 Key pin missing 26 GND 27 Internal speaker drive 28 Key pin missing 29 Message LED 30 Message LED Not Used Not Used Power LED Reset switch Message LED Speaker Hard Disk LED 1 30 Ke...

Page 46: ...therboard by a row of contacts on the DIMM s lower edge DMA Direct Memory Access A way of moving data between devices without using the processor core logic to do it DMI Desktop Management Interface DMI is an industry standard interface for keeping track of and monitoring the status of components in a network of computers EIDE Enhanced Integrated Drive Electronics A standard electronic interface f...

Page 47: ...ry that are synchronised with the clock speed for which the processor is optimised This tends to increase the number of instructions that the processor can perform in a given time The speed of SDRAM is rated in MHz rather than in nanoseconds SECC Single Edge Contact Cartridge Packaging used for original Pentium II processors The substrate is entirely enclosed in a plastic cover with thermal plate ...

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