Power Computing PowerCenter Pro Low Profile 180/210 Manual Download Page 5 | Manualshive

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CONFIDENTIAL

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MLB DIAGRAM

MLB Diagram

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Summary of Contents for PowerCenter Pro Low Profile 180/210

Page 1: ...val Installation Procedures Removing and installing RAM Page 9 Removing and installing CPU card Page 11 Removing and installing L2 cache Page 13 Removing and installing PCI expansion cards Page 14 Removing and installing PCI Riser card Page 17 Removing and installing Adaptec SCSI Card Page 19 Drive Removal Installation Procedures Removing and installing drives in the 5 25 inch drive bay Page 22 Re...

Page 2: ...10 Base T port LocalTalk serial connection via modem or printer port Bus Expansion Three PCI expansion slots one slot filled with Adaptec UltraSCSI card Floppy Drive One 3 5 inch 1 4MB floppy disk drive Supports MacOS Windows DOS OS 2 and ProDOS disk formats Video Internal video on PCI Riser card 3D ATI Xclaim GT chip set 2MB or 4MB VRAM Mac SVGA connections Audio 16 bit 44 1 KHz Stereo in out con...

Page 3: ...ing ESD Electrostatic Discharge There are two means by which a technician can maintain a ground and eliminate ESD wear an ESD wrist strap that is grounded to the computer power down the computer but leave the CPU power cord plugged into the wall socket touch the metal case of the power supply to ensure complete static discharge before service Do not wear loose clothing or jewelry that may become c...

Page 4: ...p in the memory control panel etc Machine will not power up Machine powers up but does not chime or boot A serial port remains inaccessible even after booting without extensions resetting parameter RAM etc Machine will power down for no apparent reason After adding any hardware to the inside of the machine Resetting CUDA 1 Shut down the computer and disconnect all external devices but leave the po...

Page 5: ...CONFIDENTIAL 5 MLB DIAGRAM MLB DIAGRAM MLB Diagram MLB ...

Page 6: ... Figure 1 Removing the chassis cover on page 6 3 Slide the cover towards the back of the machine and lift off Installing the Chassis Cover 1 Standing at the front of the machine place the front edge of the cover under the front bezel with the back edge tilted toward you 2 Place the back end of the cover down and slide the cover forward 3 Screw the thumb screws into the appropriate holes in the rea...

Page 7: ...isengagedbeforethefrontbezelcan be removed The tabs are located on the inside of the chassis frame one is on the left end of the chassis flat one is on the right end of the chassis round one is at the top edge and located immediately to the left of the floppy drive cutout flat The top of the front bezel will disengage and rotate forward Gently pull the bezel directly forward to disengage the remai...

Page 8: ...om three tabs and push them in until they click Lift the top edge of the bezel and line up the tabs Press the top edge of the front bezel until the tabs click into place 3 Install the floppy drive refer to Floppy Disk Drive Removal Installation on page 24 4 Replace the chassis cover refer to Chassis Cover Removal Installation on page 6 ...

Page 9: ...moving RAM on page 9 The DIMM should pop loose from the slot at the lever end 3 Grasp the DIMM module on each end and evenly pull the module up and out of the slot Installing RAM 1 Hold the module with the contacts down with one hand at each end Notice that there are two notches in the contact edge of the DIMM module 2 LowertheDIMMsquarelyintotheslotsothatthenotchesintheDIMMlineupwiththenotchesint...

Page 10: ...nificantly pull the DIMM out reposition it and try again If the DIMM module is seated correctly the lever at the end of the DIMM slot should be completely raised 3 Reset the CUDA refer to CUDA Reset on page 4 4 Replace the chassis cover refer to Chassis Cover Removal Installation on page 6 Figure 5 Installing RAM CPU ...

Page 11: ...e the CPU card Installing the CPU 1 Hold the CPU card contacts facing down with one hand at each end Notice that there is a notch in the contact edge of the CPU card 2 Lower the CPU card squarely into the slot so that the notch in the CPU card lines up with the notch in theslot Slidethecontactsstraightintotheslotandmakesurethecontactsarefirmlyseatedintheslot see Figure 9 CPU removal on page 11 Whe...

Page 12: ...lot if the MLB starts bending significantly pull the CPU card out reposition it and try again 3 Replace the retaining clips that secure the CPU to the support beam 4 Reset the CUDA refer to CUDA Reset on page 4 5 Replace the chassis cover refer to Chassis Cover Removal Installation on page 6 ...

Page 13: ... will make it easier to remove the cache card Installing the Cache 1 Hold the L2 cache card contacts facing down with one hand at each end Notice that there are notches in the contact edge of the L2 cache card 2 Lower the L2 cache card squarely into the slot so that the notches in the L2 cache card line up with the notches in the slot Slide the contacts straight into the slot and make sure the con...

Page 14: ...the PCI card 3 Remove the screw attaching the PCI card to the inside of the chassis 4 FirmlygraspthePCIcardandpullitstraightoutofthecomputerlaterally Becarefulnottodamageany components that may be protruding through the I O slot Sometimes a gentle rocking motion from end to end not side to side will make it easier to remove the PCI card Installing PCI Cards 1 Remove the chassis cover refer to Chas...

Page 15: ...d make sure the contacts are firmly seated see Figure 11 PCI card installation on page 15 When properly seated the contacts on the bottom should not be visible Secure the PCI card to the chassis with the retaining screw N N N No o o ot t t te e e e DonÕt force the PCI card into the slot if the PCI riser card starts bending significantly pull the PCI card out reposition it and try again Slot cover ...

Page 16: ...nect any wires or cables to the PCI card that are necessary for its proper operation 7 Reset the CUDA refer to CUDA Reset on page 4 8 Replace the chassis cover refer to Chassis Cover Removal Installation on page 6 PCI Cards ...

Page 17: ...o screws that attach the riser card to the support beam 6 Remove the hex head screw that secures the support beam to the rear of the chassis 7 Swing rear end of beam slightly up and out of chassis Pull beam towards rear of machine to remove 8 Firmly grasp the PCI riser card and pull it straight out of the computer Sometimes a gentle rocking motion from end to end not side to side will make it easi...

Page 18: ...eam First fittheforwardendofthestabalizerbarintothetwosmallcut outsin the front panel of the metal case Then swing the bar down aligning it with the riser card and the processor card 3 Replace the screw that attaches the beam to the back panel 4 Replace the screws securing the PCI riser card to the support beam 5 Replace the floppy drive refer to Floppy Disk Drive Removal Installation on page 24 6...

Page 19: ...any components that may be protruding through the I O slot Sometimes a gentle rocking motion from end to end not side to side will make it easier to remove the card Installing the Adaptec SCSI Card 1 Remove the chassis cover refer to Chassis Cover Removal Installation on page 6 2 Remove the retaining screw of the metal I O slot cover from the slot you wish to use see Figure 12 Removing PCI slot co...

Page 20: ...makesurethe contacts are firmly seated see Figure 13 Adaptec card installation on page 20 When properly seated the contacts on the bottom should not be visible Secure the PCI card to the chassis with the retaining screw N N N No o o ot t t te e e e DonÕt force the PCI card into the slot if the PCI riser card starts bending significantly pull the PCI card out reposition it and try again Slot cover ...

Page 21: ... the hard drive The other connector attaches to the card 2 The Adaptec SCSI card should be in the second or middle slot 3 Use the 50 pin connector to attach the cable to the Adaptec SCSI card 4 Place the cable over the video PCI riser card crossbar The cable should lay on top of the crossbar and on top of the card loosley 5 Place the cable between the rubber ÒbumpÓ attached to the crossbar and the...

Page 22: ...s 1 Slide the drive half way into the front bay location making sure the cable connections are facing the rear of the computer Pushing the drive in only halfway makes cable connection easier by giving more maneauvering room behind the drive 2 Connect the cables to the drive Slide the drive in the rest of the way making sure that the drive is flush with the front of the computer 3 Secure the driveÕ...

Page 23: ...CONFIDENTIAL 23 4 Reset the CUDA refer to CUDA Reset on page 4 5 Install the chassis cover refer to Chassis Cover Removal Installation on page 6 Figure 15 Drive removal Drive bay Drive retaining screws ...

Page 24: ...k bracket to the chassis 3 4 Grasp the floppy disk drive bracket from the back and rotate it forward while sliding the drive backward and lifting it from the chassis 5 Disconnect the floppy disk cable from the main logic board 6 Remove the floppy drive from the floppy drive bracket Floppy Disk Drive Removal Installation Floppy Disk Drive Removal Installation Figure 14 Floppy Disk Drive Removal flo...

Page 25: ...g the front of the floppy disk drive down and into position in the chassis Move the floppy disk drive forward and align the drive with the bay opening on the chassis 4 Screw the floppy disk drive brackets to the chassis 5 Reinstall the CPU card refer to CPU Removal Installation on page 11 6 Reset the CUDA refer to CUDA Reset on page 4 7 Install the chassis cover refer to Chassis Cover Removal Inst...

Page 26: ...Riser Card Removal Installation on page 17 8 Remove the RAM refer to RAM Removal Installation on page 9 9 Disconnect the cables attached to the MLB Disconnect the power cable by pressing the retaining clip facing the front of the computer then pulling straight up Disconnect all other cables by pulling them straight up from their sockets 10 Remove the eight screws that secure the logic board to the...

Page 27: ...ble does not have a directional connector then connect it with the label on the cable connector facing the rear of the computer 5 Install the RAM refer to RAM Removal Installation on page 9 6 Install the PCI Riser card refer to PCI Riser Card Removal Installation on page 17 7 Install the PCI card s refer to Installing PCI Cards on page 14 8 Install the Adaptec SCSI card refer to Adaptec SCSI Card ...

Page 28: ...power supply 4 Remove the three chassis retaining screws that hold the power supply in place These screws are located on the outside rear of the computer surrounding the power supply cooling fan the first screw is located above and to the left of the fan the second screw is located below and to the left of the fan the third screw is located above and to the right of the fan C C C CA A A AU U U UT ...

Page 29: ...crew is located above and to the left of the fan the second screw is located below and to the left of the fan the third screw is located above and to the right of the fan 3 Connect the power connectors to all internal SCSI devices 4 Connect the logic board power connector to the MLB 5 Reset the CUDA refer to CUDA Reset on page 4 6 Install the chassis cover refer to Chassis Cover Removal Installati...

Page 30: ... use the Mac OS Every effort has been made to ensure that the informationin the module is accurate Power Computing is not responsible for printing or clerical errors Mention of third party products is for informational purposes only and constitutesneitheranendorsementnorarecommendation PowerComputing no responsibility with regard to the performance or use of these products 1997 Power Computing Cor...

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