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M o t h e r b o a r d

12/8

Parallel Port

The parallel and video connectors share a common housing. When viewed
on the rear panel, the parallel port is on the right.

Pin

Signal

Pin

Signal

Strobe

ACK (acknowledge)

Data bit 0

Busy

Data bit 1

PE (paper end)

Data bit 2

SLCT (select)

Data bit 3

AUFDXT (auto feed)

Data bit 4

Error

Data bit 5

INIT (initialise printer)

Data bit 6

SLCTIN (select input)

Data bit 7

18-25

GND (ground)

Figure 12-2 Parallel Connector

Serial Ports

These identical PS/2 compatible connectors share a common housing. When
viewed on the rear panel, COM2 is on the left and COM1 is on the right.

Pin

Signal

Pin

Signal

DCD (data carrier detect)

DSR (data set ready)

RXD (receive data)

RTS (request to send)

TXD (transmit data)

CTS (clear to send)

DTR (data terminal ready)

RIA (ring indicator)

GND (ground)

10101

Figure 12-3 Serial Port

Содержание APRICOT FT4200

Страница 1: ...FT4200 Owner s Handbook NATIONAL ACCREDITATION OFCERTIFICATION BODIES ...

Страница 2: ...APRICOT FT4200 OWNER S HANDBOOK ...

Страница 3: ...pricot Computers Limited Any software described in this manual is furnished under a license agreement The software may be used or copied only in accordance with the terms of this agreement It is against the law to copy any disk supplied for any purpose other than the purchaser s personal use No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanica...

Страница 4: ...ly cable before moving the system unit cleaning the computer or removing the side panels An exception to this is removing the side panels before hot plugging a hard disk drive Power cord requirements The AC power supply cable packed with the computer complies with the safety standards applicable in the country in which it is first sold Use only this power supply cable Do not substitute a power sup...

Страница 5: ... 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 Replace a discharged battery with one of the same type Another type may explode or ignite Dispose of a discharged battery promptly and in accordance with the manufacturer s instructions The battery s average life is bet...

Страница 6: ...s product complies with the following European EMC standards Emissions EN55022 Class B test dependant Immunity EN50082 Level 1 test dependant This product also complies with the following International EMC standards VCCI level 2 Japan Note Note All interconnecting and communication cables to the likes of printers monitors or modems should be less than 2 metres in length If cable extensions have to...

Страница 7: ...the wires in the mains lead supplied with this computer may not correspond with the markings identifying the terminals in your plug proceed as follows The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked with the letter E or by the earth symbol or coloured green or green and yellow WARNING WARNING THIS APPLIANCE MUST BE EARTHED The wire which is...

Страница 8: ... Utility ECU 1 10 The Flash Memory 1 12 Upgrading and Expansion Gaining Access to the Machine Interior 2 1 Upgrading the CPU 2 2 Additional CPU card 2 6 Upgrading Memory 2 7 Installing and Removing Expansion Cards 2 10 Section Two Chapter page This section contains detailed information for an authorised engineer with all the procedures to follow if a fault develops within the system Preliminary Se...

Страница 9: ...technical details as well as functional information about memory electronics and circuitry Technical Information Overview Functional Architecture 11 2 Memory 11 4 Central Processing Unit 11 6 Motherboard Motherboard layout 12 1 Expansion slots 12 2 I O map slot assignments DMA interrupts 12 3 Switches and Jumpers 12 6 Bus connections and ports 12 7 System Management Cards System Management Interfa...

Страница 10: ...APRICOT FT4200 Section One Startup and operating Upgrading and expansion ...

Страница 11: ...ows a front view of the server with the front drive bay door open SLOT 4 DC Write Protect Step Cassette Drive Open Close COMPACT 10 9 11 12 13 14 16 8 7 6 5 4 3 2 1 15 Figure 1 1 Front View 1 Diagnostic Codes LCD 9 3 5 Floppy Drive 2 POWER ON Button 10 5 25 CD ROM Drive 3 CONTROL Button 11 Drive Bay Door Keylock 4 STANDBY Button 12 Drive Bay Door 5 RESET Button 13 Air Intake Vents 6 Infrared Senso...

Страница 12: ...also has special functions in conjunction with other buttons see Special Button Functions later in this chapter POWER LED Indicates whether the server is On or is in Standby mode UPS LED Indicates whether the system is receiving power from the battery pack or from the mains electricity supply It also indicates the status of the battery pack Lockable drive bay door Provides security against unautho...

Страница 13: ...1 2 4 7 3 5 8 11 10 12 9 Figure 1 2 Rear Panel 1 Keyboard Connector PS 2 8 Expansion Slot Openings 2 Mouse Connector PS 2 9 Stud for Antistatic Strap 3 Serial Port COM2 10 Removable UPS Battery Pack 4 Serial Port COM1 11 UPS External Circuit Breaker 5 SMC Modem Port 12 Uninterruptible Power Supply 6 Video Connector 13 AC Power Socket 7 Parallel Port ...

Страница 14: ...be configured to accommodate up to 20 hard disk drives For full details refer to the chapter on hard drives in the service section of this handbook 2 1 Figure 1 3 View of hard disk subsystem 1 Disk Subsystem 2 Cooling Fan Assembly Removable Media Drive Bay The removable media drive bay is the area which can contain drives such as floppy CD ROM and tape backup drives The bay will accommodate up to ...

Страница 15: ...data The power supply including the battery pack occupies the entire lower level of the server chassis The UPS will maintain power to the system for a minimum of 4 minutes in a fully laden system i e equipped with 20 hard disk drives This time will be longer in a system equipped with fewer drives Note Note In the event that the mains power fails the LCD will display a countdown of the number of se...

Страница 16: ...l to modem cable to connect the SMC port to the modem In some cases you can also run the SMA over the network itself from one of the connected computers depending on the operating system Switch the AC supply on followed by the UPS isolation switch on the rear of the system For safety during transportation this is locked in the off position with a strap The Uninterruptible Power Supply LED should d...

Страница 17: ...ed as hexadecimal numbers will appear as a matter of course on the LCD screen on the Front Panel see the chapter Diagnostic Codes Reference for details The screen will display the SCSI ID number for each of the SCSI devices installed in your system What happens after this depends on how your Apricot has been configured i e which operating system or other software may be installed Check with your s...

Страница 18: ...ted During this period the SMC timer is still running and can move the system into Standby at any point To prevent possible data loss or corruption it is recommended to always select Shutdown in this situation Reset Press this button to initiate a hardware reset but only if it is absolutely necessary The LCD will display 1400 You must hold the button down until the accompanying tone stops sounding...

Страница 19: ...connecting the plug or a power failure Steady amber indicates that the system is drawing its power off the batteries i e there is no mains electricity As soon as mains electricity fails an alarm sounds Flashing amber indicates that the battery pack is about to fail Off shows that the batteries are disconnected because the circuit breaker switch on the back of the machine is in the Off position or ...

Страница 20: ...ally This is particularly useful if the server is unattended some or all of the time Whether the server is able to rebuild the complete network environment together with application programs after an automatic reset depends on the operating system The SMA contains several variables which govern the behaviour of automatic failure recovery Machine Status Watchdog Timeout Watchdog Timer Reboot Count ...

Страница 21: ...rovide most of the instructions you will need to use the ECU The following paragraphs briefly explain the general techniques for navigating your way through the utility Using menus and selection screens To select an option from a menu or selection screen use the UP or DOWN ARROW key to move the highlight to the option and press the ENTER key Note Note The fact that the some of the sub menu options...

Страница 22: ... press enter to select or press ESC to return to main menu The Flash Memory The Flash is a special portion of read only memory ROM It differs from conventional ROM in that its contents can be updated but it still preserves its information when system power is off The following components of your server contain their own portions of Flash memory The motherboard This Flash stores the BIOS informatio...

Страница 23: ... it copies a file from the SMA workstation to the server or if you are running the utility locally from a floppy disk to the Flash Run Configuration Utility Select this option to run the ECU see Using the EISA Configuration Utility earlier in this chapter Upgrade Motherboard BIOS This option enables you to upgrade the motherboard s BIOS with a new version of BIOS information This information is in...

Страница 24: ...he Machine Interior To gain access to the interior of the machine you must remove the side panels The following illustration shows the securing screws and key lock which are present on each side panel 2 1 Figure 2 1 Side Panel Keylock and Floating Fasteners 1 Floating Fasteners 2 Keylock To remove the side panel 1 Refer to the SMA and note down the value of the TimeOnCharge variable This value exp...

Страница 25: ...nel 1 Ensure that the lip on the inner surface of the side panel fits over the chassis ridge at the panel bottom edge 2 Press the panel downwards against the springs then fit it in under the top edge 3 Tighten the floating fasteners 4 Insert the side panel key into the lock and turn it clockwise as far as it will go 5 Push the lock inward until you feel the resistance of the metalwork 6 Turn the l...

Страница 26: ...ve the securing screws as shown in the following diagram 1 2 Figure 2 3 Protective Metal Plate 1 Protective Metal Plate 2 Securing Screws 2 Lift the metal plate away from the metalwork Memory and CPU locations This diagram shows the positions of the CPUs and main memory 7 1 3 4 5 2 6 Figure 2 4 Memory CPU and Clock switches 1 VRM for processor B 5 DIMM sockets 5 8 2 DIMM sockets 1 4 6 VRM for proc...

Страница 27: ...nd ZIF socket assembly 3 A lever attached to the ZIF socket secures the processor in the socket Unhook the lever from the locked position Lift it upright at right angles to the motherboard There may be a little stiffness at the beginning and end of the lever s movement 4 Lift the processor out of the socket and place it on an anti static surface outside the system unit Hold the processor by its ed...

Страница 28: ...by the lever Ensure that it is firmly locked into its down position 5 Refit the heatsink if the new processor was supplied without one and secure correctly the retaining spring Ensure the heatsink is central on the processor and is securely held If the spring is no longer required remove it completely by disengaging it from its hook on the rear of the ZIF socket The upgrade processor may have a fa...

Страница 29: ...C and D If there are two processors fitted to the motherboard and if it is required to fit a third fourth processor the extra processor board will need to be fitted The procedure for fitting processors to this extra board is identical to that for the motherboard but for safety and ease of assembly it is recommended to be completed before installing the card in the system on a suitable antistatic s...

Страница 30: ...4 modules All the DIMMs fitted in any bank must all be the same capacity See the supported memory configuration table overleaf EDO and FPM type DIMMs can be mixed Bank TWO can have different capacity modules to bank ONE but must have the same number of modules as bank ONE Use only 3 3 volt gold contact modules All fitted modules should be the same speed 80ns 70ns and 60ns are all supported but 60n...

Страница 31: ...128 Mb 128 Mb 256 Mb 64 Mb 64 Mb 64 Mb 64 Mb 256 Mb 128 Mb 128 Mb 256 Mb 256 Mb 512 Mb 128 Mb 128 Mb 128 Mb 128 Mb 512 Mb 256 Mb 256 Mb 1 Gb 256 Mb 256 Mb 256 Mb 256 Mb Removing DIMMs Caution Caution Before attempting to remove or fit a DIMM be sure to take proper antistatic precautions such as using an antistatic strap See the Appendix for more details on antistatic precautions An earthing stud i...

Страница 32: ...o operate correctly or safely with the rest of the system and software Non Apricot parts may invalidate both the CE approvals and the system warranty For each socket in the bank 1 The DIMM will only install in one orientation There are indents along the DIMM s edge connector as shown Fig 2 9 A typical DIMM 2 Hold the DIMM with its metal connector strip nearest the board surface 3 Press the DIMM ge...

Страница 33: ...on board s installation guide and follow its directions The guide should tell you what kind of slot i e PCI or EISA ISA you will use and whether there are any jumpers or switches on the card that you need to configure before fitting 2 Remove the blanking plate from the rear panel access opening that corresponds to the chosen PCI or EISA slot Remember that one EISA PCI slot is shared and therefore ...

Страница 34: ... Blanking plates 2 Expansion Card 5 SMIC cable 3 Securing Screw 1 Ensure that the card is firmly seated in its slot but do not use excessive force 2 Fasten the card in place using the blanking plate securing screw 3 Fit any required cables to the board ensuring their correct orientation Do not allow them to obstruct airflow from any of the cooling fans 4 Refit the SMIC ribbon cable to the SMIC car...

Страница 35: ...pace on the rear panel for the blanking plate again 3 Replace the original blanking plate to cover the rear opening to maintain airflow integrity 4 Run the EISA Configuration Utility ECU to inform the system that you have removed the board Caution Caution Remember to copy the RAMdrive back to the Flash disk on the ECU Otherwise all the updated configuration files will still be present when you exi...

Страница 36: ...APRICOT FT4200 Section Two Detailed service Information for authorised engineers ...

Страница 37: ...nvalidated Topics covered Chapter Preliminary tasks precautions required tools 3 Hard Disk Drives 4 Drive Module Drive Module Backplane Front bezel Front panel 5 Removable Media Drives System Management Controller Board SMC 6 SMC Cooling Fan Assembly Hard disk and Motherboard Cooling Fan Assemblies 7 Cooling fan sub assembly Motherboard Processor card 8 Motherboard Power Distribution Panel Hard Di...

Страница 38: ...Caution Caution When you have completed your service procedure always refit the side panels before powering the server up again The fitted side panels are essential to an effective cool air flow through the machine Antistatic Precautions All electronic components and equipment are sensitive to static electricity Even small electrostatic charges can render components useless or severely shorten the...

Страница 39: ...cheme as shown in the following illustration 1 2 3 4 E D C B A Figure 4 1 Disk Subsystem Labelling Scheme In addition to the external labelling scheme the disk numbers within any module follow the same scheme each SCSI drive including the removable media drives is assigned its own SCSI identification number As the system boots up a list will appear for each SCSI adapter listing the drives attached...

Страница 40: ...it at least 10 seconds to allow the disk to stop spinning and the heads to park before continuing with this procedure Figure 4 3 Hard Disk Tray Removal 3 Slide the tray out carefully until it is free of the chassis 4 Place the assembly into suitable packaging Note Note Since the hard disk drives for your Apricot are exclusively SCSI drives it is important to note that the SCSI connector on the bac...

Страница 41: ...tors on the drive module backplane Hard Disk Drive Module The hard disk drive module is the removable metal framework which holds up to four hard disk drives The server s disk chamber can accommodate up to five of these modules Removal of a module will usually only be necessary if the circuit board on the module backplane fails Note Note You will need to ensure that both side panels are removed be...

Страница 42: ...icult to unplug this connector in the electronics chamber feed the ribbon cable carefully through the centre spine opening Then unplug the connector in the disk chamber 3 Remove the four securing screws as shown in the following diagram 2 2 1 Figure 4 5 Removing a Drive Module 1 Empty Disk Drive Module 2 Securing Screws 4 Slide the module gently out You will feel a little initial resistance as the...

Страница 43: ...astening screws 3 Power Distribution Board Removing There are two fastening screws for each board except the removable media drive SCSI interface board which has four To remove the backplane 1 Remove all disk drives from the module 2 Remove the fastening screws from all the boards 3 Push each of the boards except the data connector board towards the interior of the module and manoeuvre it as neces...

Страница 44: ...d spinup means that the installed drives will not start spinning simultaneously after you switch the server on Instead the drives start one at a time with a specific number of seconds between each one This delay prevents the excessive power drain that would otherwise occur if all drives started at the same instant Therefore this jumper should always be in the enabled position J2 determines where t...

Страница 45: ...oard lies in the centre of the backplane in each module as shown in the following diagram 1 2 3 3 Now use the four screws to fasten the module to the subsystem metalwork in the drive chamber 2 2 1 Figure 4 8 Fitting Drive Module 1 Empty Disk Drive Module 2 Securing Screws ...

Страница 46: ...bon Cable to a Module 1 Hard Disk Module Data Connector 2 Ribbon Cable Caution Caution It is vital that you remember the exact cable and connector arrangement of your hard disks particularly if you are using a RAID Redundant Array of Independent Disks configuration If you fail to restore the arrangement so that all cables and plugs are as they were originally you risk losing all the data on your h...

Страница 47: ...ose to the front of the machine For detailed information see previous chapter 4 Remove eight screws four on each side of the machine and slide the bezel away from the chassis as shown in the following diagram SLOT 4 DC Write Protect Step Cassette Drive Open C lose COMPACT 3 1 2 Figure 5 1 Removing Front Bezel 1 Front Bezel 3 Securing Screws x 8 2 Front Panel System Controller Connector 5 The front...

Страница 48: ...four on each side of the server as shown in the following diagram SLOT 4 DC Write Protect Step Cassett e Drive Open C lose COMPACT 3 1 2 Figure 5 2 Refitting Front Bezel 1 Front Bezel 3 Securing Screws x 8 2 Front Panel System Controller Connector Front Panel Removing 1 With the front bezel removed and the ribbon cable disconnected from the front panel remove the circlip from the top hinge of the ...

Страница 49: ... d d r i v e s 5 3 2 1 Figure 5 3 Removing the circlip 1 Circlip 2 Top Hinge of Drive Bay Door 2 Gently press down on the metal plate to detach it from the hinge as shown 2 1 Figure 5 4 Detaching the Hinge 1 Metal Plate 2 Hinge ...

Страница 50: ...rting Metalwork 1 Front Panel Supporting Metalwork 2 Securing Screws 4 Slide the supporting metalwork out of the bezel 5 Remove the eight screws which fasten the front panel onto the metalwork 2 2 1 3 3 Figure 5 6 Front Panel Securing Screws 1 Front Panel 3 Metal Protrusion Holes 2 Securing Screws 6 Remove the front panel ...

Страница 51: ...Note Note Be sure to fit the two securing holes marked 3 over the small metal protrusions in the metalwork 2 Insert the front panel framework into the bezel as shown 1 2 Figure 5 8 Fitting Front Panel Supporting Metalwork 1 Front Panel Supporting Metalwork 2 Securing Screws 3 Fasten the framework onto the bezel using the two screws 4 Attach the top hinge of the removable media drive bay door to th...

Страница 52: ...ves To gain access to the removable media drives and the System Management Controller SMC you must first remove the protective metal plate which covers this area 2 1 3 Figure 5 10 Removing Protective Metal Plate 1 Securing Screws 3 Hard Disk Subsystem 2 Protective Metal Plate 1 Remove the securing screws 2 Use the finger holes near the top left and right hand corners to lift the plate away from th...

Страница 53: ... 2 Remove the two drive tray securing screws from the side of the cage The following diagram shows the screws for three of the drives 1 3 2 Figure 5 11 Removable Media Drive Bay Internal 1 Drive Tray Securing Screws 3 Drive Data Cables 2 Drive Power Cables 3 Slide the tray carefully toward the rear of the cage until it is free from the metalwork 4 Turn the tray over and remove four screws from the...

Страница 54: ...ive is too far forward it may prevent the front panel door from closing 3 Turn the drive upright slide it into the drive cage and secure it to the cage using the two screws 4 Connect the power cable to the back of the drive and the other end to the socket on the centre spine 5 If you are fitting a SCSI drive you will need to connect it to the bus cable which is attached to any other SCSI removable...

Страница 55: ...ions are easily accessible System management controller SMC Removing 1 Take careful note of where each connection is from and unplug three ribbon cable connectors the power connector three fan connectors two thermistor connectors and one keylock sensor cable connector as shown in the following diagram 1 2 3 4 5 6 Figure 6 1 System Management Controller Board 1 Power Connector 4 Keylock Sensor Conn...

Страница 56: ...o place at both ends of the 25 way connector on the back panel 4 Plug the ribbon cables power cable fan and associated thermistor cables and the keylock sensor cable into their respective connectors on the SMC board as shown in the previous diagram Ensure the ribbon to the front panel is returned to the top left connection Caution Caution Ensure the ribbon cables from the front panel and the PSU a...

Страница 57: ...oard Fitting 2 Remove the two securing screws for the fan assembly found on the back panel as shown 1 2 Figure 6 3 SMC Cooling Fan Securing Screws 1 Securing Screws 2 Back panel 3 Tilt the top of the assembly slightly towards the interior of the server if it hasn t already and lift it upwards to free it from the chassis 1 2 Figure 6 4 SMC Fan Assembly 1 Tab Slots 2 Metal Tabs ...

Страница 58: ...ueeze the sides gently until the tabs fit into the slots 3 While holding the assembly in place fasten it with the two screws on the back panel of the server 4 Connect the fan cable to the top connector on the controller board Against each fan connector on the board there is a graphic which indicates which fan cable should be plugged in Top Middle Bottom For further information about dismantling th...

Страница 59: ...sembly without disturbing the adjacent disk drive module Removing 1 Unplug the middle and bottom fan connectors and their associated thermistor connectors from the SMC board as shown 1 2 Figure 7 1 SMC Fan and Thermistor Connectors for Middle and Bottom Fans 1 Middle Bottom Fan Connectors 2 Associated Thermistor Connectors 2 Push the power and thermistor cables down through the cut out in the corn...

Страница 60: ...mbly 1 Securing Screws 2 Finger Grip 4 Use the finger grip to slide the assembly towards you Fitting 1 Slide the assembly into position remembering to feed the guide tabs into the positioning slots as shown in the following illustration 1 2 3 2 Figure 7 3 Refitting Hard Disk Cooling Fan Assembly 1 Positioning Slots 3 Securing Screws 2 Guide Tabs ...

Страница 61: ...he bottom and middle fan connectors together with their associated thermistor connectors in to the SMC board as indicated in the following diagram 1 2 Figure 7 4 SMC Fan and Thermistor Connectors for Middle and Bottom Fans 1 Fan Connectors 2 Thermistor Connectors 5 Check that all fan and thermistor connections are correctly orientated before switching on and that all side panels are securely fitte...

Страница 62: ...e 7 5 Removing Cooling Fan Assembly 1 Side Securing Screws 2 Centre Spine Securing Screws 4 Slide the assembly to the right and then towards you to disengage it 5 Before removing the assembly entirely unplug the ribbon cable from the connector on the small power distribution panel between the bottom and middle fans 1 2 3 4 5 6 Figure 7 6 Connectors on Small Power Distribution Panel 1 Ribbon cable ...

Страница 63: ... also the fan itself 1 2 3 1 4 Figure 7 7 Cooling Fan Assembly 1 Securing Screws 3 Fan Assembly Housing 2 Handguard 4 Fan Fitting Caution Caution Before attempting to fit the fan onto the fan assembly housing be sure to place the fan into the assembly so that the air flow through it is from the front of the server to the rear see the arrow next to the electrical polarity marking on one corner of t...

Страница 64: ...the motherboard and from any expansion cards 2 Remove the screws which secure the metal plate over the electronics chamber The screws are along the top and right edges of the plate as shown in the following illustration 1 2 Figure 8 1 Protective Metal Plate Over Motherboard 1 Protective Metal Plate 2 Securing Screws Caution Caution It is vital that you remember the exact cable and connector arrang...

Страница 65: ...rboard in situ 1 Support retaining strut 6 Busbars to Power supply 2 Termination extra CPU card 7 SMIC card bottom slot 3 Aux power connection 8 SMIC cable to power board 4 Hard Disk SCSI Cable 9 Power board connections 5 Remov media SCSI cable 4 Remove six screws from the periphery of the subplate which surrounds the serial parallel and video connectors on the back panel of the server ...

Страница 66: ...upports the additional CPU card There is a single screw on one end of the strut with a hook on the other Then remove the CPU card 7 Remove and put in a safe place any fitted expansion boards Caution Caution All boards and assemblies should be placed on an antistatic surface or within an antistatic container as they are removed from the server 8 Unplug the DC power connectors One from the power dis...

Страница 67: ... due to the very high operating frequencies of modern systems it is extremely important that all of the mounting screws are refitted to ensure effective grounding to the server metalwork over the whole board area Lift the motherboard gently off the support lug at the top right corner in the electronics chamber and place on a suitable antistatic surface Ports sub plate If the motherboard is being r...

Страница 68: ...rts on motherboard 4 Port mounting bolts Fitting the Motherboard 1 Replace the six screws which secure the connector sub plate on the back panel to the server chassis 2 Attach the motherboard to the centre spine of the server using the 21 screws as shown in the following illustration Figure 8 7 Motherboard Securing Screws ...

Страница 69: ... CPU card plus its support strut 8 Replace any expansion cards and their appropriate ribbon cables 9 Replace the SMIC card in the lowest EISA slot and plug its cable into the power distribution board at the top of the electronics chamber Ensure the plug is firmly fixed into the socket using the latches 2 1 Figure 8 8 SMIC cable latch 1 Cable retaining latches 2 Ribbon cable socket 10 Using a torqu...

Страница 70: ...ctor 2 Motherboard connector 7 Power from motherboard 3 Fan Board Connector 8 Power from motherboard 4 Aux power connector 9 Power to from m board 5 SMC connection 10 3 3 v supply to m board Removing 1 Unplug all connectors on the panel noting their position Note Note You may have to remove the termination additional CPU card to provide enough working space to complete this procedure 2 Remove eigh...

Страница 71: ...d in chapter 8 2 This uncovers three bus bars which are attached to the power distribution panel through a cut out in the centre spine and to the power supply as shown in the following illustration 2 1 Figure 9 1 Bus Bars Connected to Hard Disk Power Distribution Panel 1 Bus Bars 2 Connections to Hard Disk Power Distribution Panel 3 Detach the three bus bars from the distribution panel 4 In the di...

Страница 72: ...ws as shown above 2 Refit all the hard disk drive modules and drives Caution Caution It is vital that you remember the exact cable and connector arrangement of your hard disks particularly if you are using a RAID Redundant Array of Independent Disks configuration If you fail to restore the arrangement so that all cables and plugs are as they were originally you risk losing all the data on your har...

Страница 73: ...isk chamber unplug the cables which provide power to the removable media drives 3 Now remove the six screws which fasten the power distribution board to the centre spine and remove the board as shown in the previous diagram Fitting 1 Fasten the power distribution panel onto the centre spine of the server with the six screws as shown above 2 Connect the two power cables as shown in the previous ill...

Страница 74: ...Connector 3 Cooling Fan Assembly 2 Power Distribution Panel 3 Remove the four screws which fasten the loudspeaker onto the front drive bay door housing as shown 1 2 Figure 9 5 Loudspeaker 1 Loudspeaker Securing Screws 2 Removable Media Drive Bay Fitting 1 Use the four screws to attach the loudspeaker to the front drive bay door housing as shown above 2 Plug the cable into the loudspeaker connector...

Страница 75: ...The unit is severely out of balance without the battery pack and could unexpectedly roll over as you remove it Warning Warning It is essential that you use the utmost care when removing the UPS in order to avoid injury to yourself or damage to the unit Do not attempt to remove or fit the unit alone There should always be at least one other person available to help you Before you begin ensure that ...

Страница 76: ...nt Array of Independent Disks configuration If you fail to restore the arrangement so that all cables and plugs are as they were originally you risk losing all the data on your hard disks 3 Remove the motherboard cooling fan assembly as detailed in chapter 8 4 Detach two pairs of motherboard bus bars and remove the set of 3 bus bars under the cooling fan assembly as shown in the following diagram ...

Страница 77: ... one 12 way and one 16 way from the power supply as shown 1 2 3 4 5 Figure 10 3 Disconnecting Power Supply Cables 1 System Controller Connector Ribbon Cable 4 Removable Media Drive Bay Connector 12 way 2 Motherboard Auxiliary Power 16 way 5 Cable Connector Group 3 Not used ...

Страница 78: ...e following diagram 1 2 Figure 10 4 Power Supply Floating Fasteners 1 Floating Fasteners 2 Front Bezel 8 Now remove six screws on the back panel of the server as shown Figure 10 5 Power Supply Securing Screws 9 Using the handle on the battery pack pull the unit carefully until it is a little less than halfway out about 30 cm just before it begins to tip towards you ...

Страница 79: ... side of the unit from this point onwards 11 Place your hands under the metal casing of the unit as indicated by the arrows in the following illustration Figure 10 6 Power Supply Removal 12 Slide the unit out slowly until it is free from its housing Now rest the unit on the floor Do not drop it Fitting 1 With the help of the second person on the opposite side place your hands underneath the power ...

Страница 80: ...he chassis with the six screws as shown Figure 10 7 Power Supply Securing Screws 4 Now tighten the four floating fasteners two on each side located towards the front of the machine 1 2 Figure 10 8 Power Supply Floating Fasteners 1 Floating Fasteners 2 Front Bezel ...

Страница 81: ... position 1 2 3 4 5 Figure 10 9 Connecting Power Supply Cables 1 System Controller Connector Ribbon Cable 4 Removable Media Drive Bay Connector 12 way 2 Motherboard Auxiliary Power 16 way 5 Cable Connector Group 3 Not used 6 Attach two pairs of bus bars and fit one set of 3 bus bars as shown in the following diagram As with the cables it should not be possible to fit these bars incorrectly ...

Страница 82: ...g a RAID Redundant Array of Independent Disks configuration If you fail to restore the arrangement so that all cables and plugs are as they were originally you risk losing all the data on your hard disks UPS Battery Pack The UPS is equipped with a replaceable battery pack It will provide electric power for your system for a specific period of time depending on how many hard disks or other devices ...

Страница 83: ...lified electrician and must not be disposed of in domestic waste Removing 1 Remove the fastening screws as shown in the following diagram Figure 10 11 Battery Pack Fastening Screws 2 Pull the battery pack handle carefully and slide out slowly until the pack hits a stop The following power connector will then be visible Figure 10 12 Unplugging the Battery Pack Power Connector 3 Gently pull the conn...

Страница 84: ... the end stop and slide it far enough into the chassis to reconnect the battery pack power connector Figure 10 13 Plugging the Battery Pack Power Connector 3 Push the pack the rest of the way into the chassis lifting slightly to pass over the stop Figure 10 14 Refitting the Battery Pack 4 Use the screws as shown in the previous diagram to secure the battery pack ...

Страница 85: ...APRICOT FT4200 Section Three Technical information and Appendix 2 6 5 7 8 9 10 A A 1 A A A A A A 3 4 ...

Страница 86: ...topics Topics covered Chapter Section layout 11 Functional Architecture Memory Central Processing Unit Motherboard 12 Switches and Jumpers I O Connectors and Headers System Management Interface Card SMIC 13 System Management Controller Power Distribution Boards 14 Uninterruptible Power Supply Diagnostic Codes and Fault Messages 15 Antistatic precautions Appendix ...

Страница 87: ...rboard 6 PCI Slots 4 EISA Slots one shared card bay 2 Onboard SCSI controllers SMIC Plug in ISA Adapter Card Interface to SMC System Management Controller Front Panel Switches LEDs LCD IR Sensor Side Panel Door Locks Temperature Sensor Fan Alarms 3 in Electronics Chamber 3 in Hard Disk Chamber Disk Drives 3 5 25 inch Half Height Bays 1 3 5 inch Floppy Disk Drive Hard Disk Drives 5 HDD Modules 4 Ba...

Страница 88: ...tem Management Application a Windows software program specially designed for the server This application which you can run on another computer remotely via modem serial or network link alerts you if there are problems such as component failure overheating security breaches and power failures The SMC communicates with the motherboard by means of the System Management Interface Card which occupies t...

Страница 89: ...our 4 1 14 1 1 1 11 1 1 1 8 1 1 1 194 Mb s two 2 1 14 2 2 2 11 2 2 2 8 2 2 2 152 Mb s one 1 1 14 4 4 4 11 4 4 4 8 4 4 4 107 Mb s The above is based upon 60ns DRAM and a system clock of 66 Mhz Write performance No of DIMMs in a bank Interleave Page miss precharge Page miss Page hit four 4 1 10 7 7 two 2 1 11 8 8 one 1 1 16 13 13 The above is to memory of complete cache line Full details of the type...

Страница 90: ... memory fixed 0004 0000 0007 FFFF 256 KB Base system memory fixed 0008 0000 0009 FFFF 128 KB Base system memory or ISA memory enabled in Setup 000A 0000 000B FFFF 128 KB ISA video DRAM 000C 0000 000E FFFF 192 KB Off board video BIOS can be shadowed AIC 7870 SCSI BIOS can be shadowed 000F 0000 000F FFFF 64 KB ISA memory system BIOS fixed 0010 0000 00EF FFFF 14 MB System memory or unused 00F0 0000 0...

Страница 91: ...ocessor increases system performance This is particularly useful when application demand is low and the I O request load is high In the SMP environment processors share the same interrupt structure and access to common memory and I O channels Each processor contains its own internal L2 cache memory The processor power up configuration logic provides the motherboard BIOS with information about its ...

Страница 92: ...ocessor B 16 BIOS recovery links 5 ZIF socket for processor A 17 Replaceable CMOS Lithium battery 6 DIMMs 5 to 8 top to bottom 18 Clear CMOS links 7 VRM8 socket for processor A 19 System external connections 8 Aux power socket from PSU 20 Data connection to power dis board 9 UltraSCSI to 1st HDD module 21 Bus and multiplier switches SW1 1 to 6 10 Aux busbar connec to PSU not used 22 FDD mode setti...

Страница 93: ...tware in your server PCI Slots The six PCI bus slots on the system board provide for expansion and performance enhancement There are two on board PCI controllers PCI bus one and two both provide 32 and 64 bit memory addressing 5 V signalling environments 3 V supply arrangements Burst transfers at 133 Mbytes per second 8 16 or 32 bit data transfers Plug and play configuration PeerBus to maximise th...

Страница 94: ...ntroller 2 00F0 Clear NPX error 00F8 00FF x87 Numeric Coprocessor 0102 Video Display Controller 0170 0177 Secondary Fixed Disk Controller IDE 01F0 01F7 Primary Fixed Disk Controller IDE 0220 022F Serial Port 0238 023F Serial Port 0278 027F Parallel Port 3 02E8 02EF Serial Port 2 02F8 02FF Serial Port 2 0338 033F Serial Port 2 0370 0375 Secondary Floppy 0376 Secondary IDE 0377 Secondary IDE Floppy ...

Страница 95: ...ifier Registers 0C84 Board Revision Register 0C85 0C86 BIOS Function Control 0CF8 PCICONFIG_ADDRESS Register 0CFC PCICONFIG_DATA Register n000 n0FF EISA Slot n I O Space x100 x3FF ISA I O slot alias address n400 n4FF EISA Slot n I O Space n 1 to 15 x500 x7FF ISA I O slot alias address n800 n8FF EISA Slot n I O Space n 1 to 15 x900 xBFF ISA I O slot alias address nC00 nCFF EISA Slot n I O Space n 1...

Страница 96: ...r full 2 Reserved cascade interrupt from slave PIC 3 Onboard serial port B COM2 if enabled 4 Onboard serial port A COM1 if enabled 5 EISA Ethernet when fitted 6 Onboard diskette floppy controller if enabled 7 Parallel port LPT1 if enabled 8 Real time clock RTC 9 SCSI e g additional 2940 when fitted 10 RAID controller cards when fitted 11 PCI Ethernet when fitted 12 Onboard PS 2 mouse port if enabl...

Страница 97: ... Pins Pins 1 3 2 4 3 mode operation Japan only 3 4 Normal 2 mode operation SW1 Bus and clock multiplier settings External bus clock Processor bus multiplier Frequency SW1 5 SW1 6 SW1 1 SW1 2 SW1 3 SW1 4 Factor 66Mhz off on on on on on x2 60Mhz on off on off on on x2 5 50Mhz on on on on off on x3 on off off on x3 5 on on on off x4 All other switch combinations are reserved Warning Warning Do not al...

Страница 98: ...s by actively driving both polarities of the SCSI bus and avoiding indeterminate voltage levels and common mode noise on long cable runs The SCSI output drivers can directly drive a 48 mA single ended SCSI bus Power Connections The main power input to the motherboard is via two sets of 5v connections at the bottom of the board These are designed to be fitted with supply busbars direct to the Power...

Страница 99: ... Data bit 5 16 INIT initialise printer 8 Data bit 6 17 SLCTIN select input 9 Data bit 7 18 25 GND ground 13 1 25 14 Figure 12 2 Parallel Connector Serial Ports These identical PS 2 compatible connectors share a common housing When viewed on the rear panel COM2 is on the left and COM1 is on the right Pin Signal Pin Signal 1 DCD data carrier detect 6 DSR data set ready 2 RXD receive data 7 RTS reque...

Страница 100: ...tor Keyboard and Mouse Connectors These identical PS 2 compatible connectors share a common housing When viewed on the rear panel the keyboard connector is on the left and the mouse connector is on the right Keyboard Mouse Pin Signal Pin Signal 1 KEYDAT keyboard data 1 MSEDAT mouse data 2 NC not connected 2 NC not connected 3 GND ground 3 GND ground 4 FUSED_VCC 5 V 4 FUSED_VCC 5 V 5 KEYCLK keyboar...

Страница 101: ...haracteristics of the SMIC ISA plug in card Extended BIOS 128 Kbytes with 32 Kbyte and 16 Kbyte pages 32 Kbytes SRAM with 8 Kbyte pages Flash disk 2 Mbytes with 8 Kbyte pages 12V programming voltage generator Diagnostic Processor DiagP 87C51 drives RESET NMI IOCHCK serial link to SMC port 80 monitor port CTRL ALT DEL reset detection Management serial link COMx Diagnostic serial link Port 80 monito...

Страница 102: ...ates the programming voltage The part is protected from programming via an Apricot port The 32 Kbyte SRAM is for use by the BIOS as a stack or for other storage purposes On card reset the SRAM and DOS Flash are disabled being enabled by the BIOS through the Apricot Control Register I O Map I O Address Port 0800h write Port 80 Diagnostic Port 0120h write BIOS page register 0120h read Status registe...

Страница 103: ... SRAM decoding is enabled the BIOS has a page size of 16 Kbytes Bit 4 of the Control Register 1 Bits Function 7 3 n a 2 0 BIOS page 0 7 DOS Flash Page Register 121h write only This controls the Flash disk paging All bits are cleared on reset Bits Function 7 0 Flash disk page 0 255 Control Register 122h R W This contains miscellaneous control bits All bits are cleared on reset Bits Function 7 6 IRQ...

Страница 104: ...s software selectable Apricot Control Register to be IRQ10 IRQ14 or IRQ15 The serial interface uses TTL levels Diagnostic UART This is a standard 16550 compatible serial port occupying 8 contiguous bytes The UART interrupt is software selectable Apricot Control Register to be IRQ10 IRQ14 or IRQ15 The serial interface uses TTL levels Diagnostic Processor The Diagnostic Processor has its own power o...

Страница 105: ...l port Tx o p 0 Serial port Rx i p System Management Controller SMC The purpose of the System Management Controller SMC is to monitor and report the status of your system in terms of its integrity It functions as the interface between the following Uninterruptible Power Supply Motherboard via the System Management Interface Card SMIC Front Panel Fans 1 2 3 7 8 6 5 4 Fig 13 2 System management cont...

Страница 106: ...nitoring of the system from a remote computer The SMC has the following attributes Validates the infrared data stream from the Front Panel Sends data to Front Panel Communicates via a dedicated serial interface to the motherboard by means of the SMIC Provides power to the fans in the disk chamber Contains a Real Time Clock RTC which maintains the date and time Contains an 80186 processor chip whic...

Страница 107: ... Motherboard Power Distribution Board There are several additional functions for this board but the main ones are The audio signals from the motherboard and the system controller are mixed and amplified and sent to the loudspeaker The board is also a collection point for signals to and from the various System Management and controller cards The board contains a 5 to 3 3 Volt DC DC converter The bo...

Страница 108: ...uirements The following is a list of its major features 1000W maximum total DC output Auto ranging AC input voltage selection 48V DC input from backup batteries Battery power circuit breaker Constant voltage battery charging output Remote control monitoring facility Cooling fans mounted on and powered from the power supply Compliance with all relevant safety standards Four 12V batteries mounted in...

Страница 109: ...by an external module through its control interface The PSU provides the control interface signals on a flying ribbon cable terminated by a flush mounted 26 way IDC connector The control interface signals are Signal Function Power Up Turns on DC0 6 outputs Also used to clear 15A Latch Shutdown Turns off DC0 6 outputs DC good Digital output indicates that the DC0 4 output rails are within spec ACvo...

Страница 110: ... when the Power Up input is active The PSU acknowledges recognition of Shutdown active by negating DC good This takes no longer to signal than 1 second The System Management Unit may then immediately release Shutdown DC good output The active high DC good output should be driven high between 100mS and 500mS after the DC rails are stabilised within specification after power up When the PSU powers d...

Страница 111: ... PSU will drive the output low 15A Latch This active low output is used to indicate that the PSU has drawn 15A or more from the AC supply The PSU has an input current detect circuit with a bandwidth of 0 1Hz which is used to set the 15A Latch When the output goes active the PSU will enter 15A Latch mode In this mode AC Good is driven to False to indicate that the batteries are providing some of th...

Страница 112: ...oviding a Standby 5V supply in Power Off mode This can occur due to excessive battery drain or the batteries being disconnected by the circuit breaker In the case of battery exhaustion in Backup mode the PSU will remain in the Power Off state for at least 0 5 second before entering the Dead state If the circuit breaker disconnects the batteries the transition from Backup to Dead may be instantaneo...

Страница 113: ...any of these phases the system will halt and one of the codes will flash on and off on the front panel LCD display The code represents the point at which the power on sequence came to a stop and may indicate what element of the system could be at fault The appearance of some codes may require an engineer to deal with the problem In this case be sure to do the following 1 Note down the code to help...

Страница 114: ... the server is not able to initiate system shutdown You or some other person who is local to the server will need to do it yourself while the system is in Battery mode The precise steps you need to take to shut down the system after instructing network users to close their applications and log off will depend on the operating system you are using When the operating system is at the point where it ...

Страница 115: ...ly This action displays 8888 on the LCD 3 Press STANDBY and RESET simultaneously This clears the LCD and resets the SMC If the error code persists contact a service engineer 0F13 Too many time out errors Indicates faulty SMC board Try resetting the SMC using the same procedure as for 0F12 0F15 Invalid interrupt Indicates a fault in either the SMC board or firmware 0F20 Diagnostic Processor communi...

Страница 116: ...correct 0F4E MODEM AT command failed Same as 0F4D 0F4F MODEM AT command unexpected result code is received Same as 0F4D Progress Control NextBootStage Codes A single SMC FPSC variable NextBootStage records the progress of all phases of the boot process These phases are Power On Self Test POST executed by the BIOS SMC Device Driver Attachment i e initialisation SMC Client Loading The SMC Last Clien...

Страница 117: ...t 8FF0 is the code sent by the SMC Device Driver to indicate that it has initialised successfully FFE0 is the code sent by the SMC Last Client to indicate that all clients will be unloaded The Trap generator is disabled 0000 is the code sent by the SMC Last Client to indicate that all clients are now loaded The Trap generator is enabled SMC specific NextBootStage codes Code Meaning Source 1000 Res...

Страница 118: ...y size mismatch occurred Example Keyboard controller test fail the speaker would emit one beep pause then four beeps pause then another four beeps followed by a long silence The beep pattern may then keep repeating In most cases where beep codes are used the failure is of a serious nature and the system is halted Other BEEP codes There are a few other codes that occur but please note that some are...

Страница 119: ...sum failure 162 Invalid configuration information 163 Time of day not set 164 Memory size does not match 175 Bad EEPROM CRC1 176 System tampered covers removed 177 Bad administrator password checksum 178 System tampered 182 EEPROM is not functional 183 Administrator password is needed 184 Bad power on password checksum 185 Corrupted boot sequence 186 Hardware problem 188 Bad EEPROM CRC2 189 Excess...

Страница 120: ...A00 3210 Write inventory information 3A10 3220 Enable Disable CPUs 3A20 3230 Fatal error handler 3A30 3240 Write inventory information 3A40 3300 Console redirection 3B00 3510 Ethernet card node address reporting 3D10 3520 Time synchronisation 3D20 3530 Non fatal POST errors reporting 3D30 3540 Security 3D40 3700 Flash Disk initialisation 3F00 3710 Flash Disk boot 3F10 3720 Flash Disk self test 3F2...

Страница 121: ... Slot 1 CPU 2 0173 Previous CPU Failure Slot 2 CPU 1 0174 Previous CPU Failure Slot 2 CPU 2 0175 CPU modules are incompatible 0180 Attempting to boot with failed CPU 0191 CMOS Battery Failed 0195 CMOS System Options Not Set 0198 CMOS Checksum Invalid 0289 System Memory Size Mismatch 0295 Address Line Short Detected 0297 Memory Size Decreased 0299 ECC ErrorCorrection Failure 0301 ECC Single bit cor...

Страница 122: ...ull 0810 Floppy Disk Controller Resource Conflict 0811 Primary IDE Controller Resource Conflict 0812 Secondary IDE Controller Resource Conflict 0815 Parallel Port Resource Conflict 0816 Serial Port 1 Resource Conflict 0817 Serial Port 1 Resource Conflict 0820 Expansion Board Disabled in Slot 0900 NVRAM Checksum Error NVRAM Cleared 0903 NVRAM Data Invalid NVRAM Cleared 0905 NVRAM Cleared By Jumper ...

Страница 123: ...oving the covers must be carried out 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 wrist strap and anti static clothing It is also a good idea to use an ioniser or humidifier t...

Страница 124: ...MITSUBISHI ELECTRIC PC DIVISION http www apricot co uk APRICOT COMPUTERS LIMITED 3500 PARKSIDE BIRMINGHAM BUSINESS PARK BIRMINGHAM B37 7YS UNITED KINGDOM Tel 44 121 717 7171 Fax 44 121 717 3692 ...

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