Instruction/ maintenance manual of the product 650 Dell
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DellPrecision™Workstation650andDellPrecisionWorkstation450 Service Manual Information in this document is subject to change without notice.
Back to Contents Page Battery DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual A coin - cell battery maintains computer configuration, date, and time information. The battery can last several years.
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Back to Contents Page Before You Begin DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Recommended Tools Precautionary Measures .
l When transporting a sensitive component, first place it in an antistatic container or packaging. l Handle all sensitive components in a static - safe area.
Back to Contents Page Cards DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Installing a Card Removing a Card YourDell™computerprovidesslotsforPCI/PCI - X and AGP cards.
6. Before you lower the retention arm, ensure that: l The tops of all cards and filler brackets are flush with the alignment bar. l The notch in the top of the card or filler bracket fits around the alignment guide. Press the arm into place, securing the card(s) in the computer.
8. Connect any cables that should be attached to the card. See the documentation for the card for information about the card's cable connections. 9. Close the computer cover , reconnect the computer and devices to electrical outlets, and turn them on.
3. If necessary, disconnect any cables connected to the card. 4. Grasp the card by its top corners, and ease it out of its connector. 5. If you are removing the card permanently, install a filler bracket in the empty card - slot opening. If you need a filler bracket, contact Dell.
Back to Contents Page Chassis Intrusion Switch DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Removing the Chassis Intrusion Switch Replacing the Chassis Intrusion Switch Removing the Chassis Intrusion Switch 1.
Replacing the Chassis Intrusion Switch To replace the chassis intrusion switch, perform the removal procedure in reverse. Back to Contents Page .
Back to Contents Page Control Panel DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Control Panel Components Removing the Control Panel Replacing the Control Panel Control Panel Components Removing the Control Panel 1.
Dell Precision 450 Computer Replacing the Control Panel To replace the control panel, perform the removal procedure in reverse. Back to Contents Page 1 control panel 2 mounting screw 1 control.
Back to Contents Page Inside Your Computer — DellPrecision™450Computer DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Insid.
Back to Contents Page 1 CD/DVD drive connector (IDE2) 14 PCI card connectors (PCI1, PCI2 [32 - bit connectors], and PCI3 [64 - bit PCI - X connector]) 2 I/O panel (I/O PANEL) 15 telephony conn.
Back to Contents Page Drives — DellPrecision™450Computer DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Overview Har.
Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled - in hole on the other connector. Keyed connectors ensure that the pin - 1 wire in the cable (indicated by the colored stripe along one edge of the cable) goes to the pin - 1 end of the connector.
SCSI logic requires that termination be enabled for the two devices at opposite ends of the SCSI chain and disabled for all devices in between. It is recommended that you use terminated cables and that you disable termination on all devices.
Installing a Hard Drive 1. Unpack the replacement hard drive, and prepare it for installation. 2. Check the documentation for the drive to verify that it is configured for your computer.
5. If you are installing a drive that has its own controller card, install the controller card in an expansion slot. See the documentation that accompanied the drive and controller card to verify that the configuration is correct for your computer.
See the documentation for your operating system for instructions. 15. Test the hard drive by running the Dell Diagnostics. 16. If the drive you just installed is the primary drive, install your operating system on the hard drive. Floppy Drive Removing a Floppy Drive 1.
Installing a Floppy Drive 1. If you are replacing a drive and the the new drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that secure each rail to the drive.
4. If you are installing a new floppy drive rather than replacing a drive, remove the front - panel inserts. From inside the drive bay, gently press on each side of the insert until it pops out. 5. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.
Installing a CD/DVD Drive 1. If you are installing a new drive, unpack the drive and prepare it for installation. Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If you are installing an IDE drive, configure the drive for the cable select setting.
5. If you are installing a drive that has its own controller card, install the controller card in an expansion slot. See the documentation that accompanied the drive and controller card to verify that the configuration is correct for your computer.
10. Connect your computer and devices to electrical outlets, and turn them on. See the documentation that came with the drive for instructions on installing any software required for drive operation. 11. Update your configuration information by setting the appropriate Drive option ( 0 or 1 ) under Drives : Secondary to Auto .
Back to Contents Page Power Supply — DellPrecision™450Computer DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Removing the Power Supply Replacing the Power Supply Removing the Power Supply 1.
Back to Contents Page Drive Door — DellPrecision™650Computer DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Removing the Drive Door Replacing the Drive Door Removing the Drive Door 1.
3. Lift the bottom hinge away from the computer. Replacing the Drive Door To replace the drive door, perform the removal procedure in reverse. Back to Contents Page .
Back to Contents Page Microprocessor Airflow Shroud — DellPrecision™450Computer DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Removing the Microprocessor Airflow Shroud Installing the Microprocessor Airflow Shroud Removing the Microprocessor Airflow Shroud 1.
Back to Contents Page Card Fan and Guide — Dell Precision 650 Computer DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Removing the Card Fan and Guide Replacing the Card Fan and Guide The Card Fan Guide Removing the Card Fan and Guide 1.
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Back to Contents Page Front Panel DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Removing the Front Panel Replacing the Front Panel Removing the Front Panel 1.
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Back to Contents Page I/O Panel DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual I/O Panel Components for the Dell Precision 650 Computer .
Removing the I/O Panel 1. Remove the front panel . 2. Disconnect the control panel cable from the control panel connector. 3. Disconnect the front - panel cable from the system board. 4. Remove all cables that are connected to the front I/O panel.
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Back to Contents Page Inside Your Computer — DellPrecision™650Computer DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Insid.
Back to Contents Page 1 CD/DVD drive connector (IDE2) 15 standby power light (AUX_PWR_LED) 2 I/O panel connector (I/O PANEL) 16 PCI card connectors (PCI1, PCI2 [32 - bit connectors], PCI3 , PCI4, .
Back to Contents Page Closing the Computer Cover DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual 1. Ensure that all cables are connected, and fold cables out of the way. 2. Ensure that no tools or extra parts are left inside the computer.
5. Connect your computer and devices to electrical outlets, and turn them on. Back to Contents Page .
Back to Contents Page Opening the Computer Cover DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual 1. Lay the computer on its side as shown in the illustration. 2. Open the computer cover: a.
Back to Contents Page 1 security cable slot 2 cover release latch 3 padlock ring.
Back to Contents Page Microprocessor DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Installation Guidelines Installing the Microprocessor Removing the Microprocessor Installation Guidelines l Your computer is designed for dual - processor operations.
6. Remove the thermal grease protective cover and place the heat sink in the base. 7. Place one end of the heat sink under the tab on the retention module on the side opposite the lever. Lower the heat sink onto the microprocessor so that the heat sink fits securely under the tab on the other end of the retention module.
3. Pull the release lever straight up until the microprocessor is released. 4. Remove the microprocessor from the socket. If you are replacing the microprocessor, leave the release lever extended in the release position so that the socket is ready for the new microprocessor and go to " Installing the Microprocessor .
Back to Contents Page Drives — DellPrecision™650Computer DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Overview Har.
Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled - in hole on the other connector. Keyed connectors ensure that the pin - 1 wire in the cable (indicated by the colored stripe along one edge of the cable) goes to the pin - 1 end of the connector.
If you attach additional optional SCSI devices, see the documentation for each device for information about setting the appropriate SCSI ID number. Device Termination SCSI logic requires that termination be enabled for the two devices at opposite ends of the SCSI chain and disabled for all devices in between.
3. Press in on the tabs on each side of the drive and slide the drive up and out. Installing a Hard Drive 1. Unpack the replacement hard drive, and prepare it for installation. 2. Check the documentation for the drive to verify that it is configured for your computer.
4. Gently slide the drive into place until the tabs securely click into position. 5. If you are installing a drive that has its own controller card, install the controller card in an expansion slot. See the documentation that accompanied the drive and controller card to verify that the configuration is correct for your computer.
7. Check all connectors to be certain that they are properly cabled and firmly seated. 8. Close the computer cover . 9. Connect your computer and devices to electrical outlets, and turn them on. See the documentation that came with the drive for instructions on installing any software required for drive operation.
2. Press inward on the two tabs on the sides of the drive, slide the drive upward, and remove it from the floppy - drive bay. Installing a Floppy Drive 1.
2. Gently slide the drive into place until the tabs securely click into position. 3. Attach the power and floppy - drive cables to the floppy drive.
4. If you are installing a new floppy drive rather than replacing a drive, remove the front - panel inserts. From inside the drive bay, gently press on each side of the insert until it pops out. 5. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.
2. Press inward on the two tabs on the sides of the drive, and then slide the drive upward and remove it from the drive bay. Installing a CD/DVD Drive 1.
3. If you are installing a replacement drive and the new drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that secure each rail to the drive.
7. If you are installing a new CD/DVD drive rather than replacing a drive, remove the front - panel inserts. From inside the drive bay, gently press on each side of the insert until it pops out. 8. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.
Back to Contents Page VRM DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Installing a VRM Removing a VRM Installing a VRM 1.
for the Dell Precision 450 computer, see " Microprocessor Airflow Shroud — DellPrecision™450Computer "). 6. Close the computer cover .
Back to Contents Page Memory DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Memory Installation Guidelines Removing a Memory Module Adding a Memory Module You can increase your computer memory by installing memory modules on the system board.
Adding a Memory Module 1. Press out the securing clip at each end of the memory module connector. 2. Align the notch on the bottom of the module with the crossbar in the connector. 3. Insert the module into the connector, ensuring that it fits into the guides at each end of the connector.
9. Open the computer cover and check the installed memory modules to ensure that they are seated properly in their sockets. Then repeat steps step 4 through step 7. 10. When the System Memory total is correct, press <Esc> to exit system setup.
Back to Contents Page Microprocessor Airflow Shroud — DellPrecision™650Computer DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Removing the Microprocessor Airflow Shroud Installing the Microprocessor Airflow Shroud Removing the Microprocessor Airflow Shroud 1.
Back to Contents Page Power Supply — DellPrecision™650Computer DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Removing the Power Supply Replacing the Power Supply Removing the Power Supply 1.
5. Lift the power supply away from the computer. 6. Slide the power supply cables out of the computer (through the hole). Replacing the Power Supply 1.
Back to Contents Page System Board DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual Removing the System Board Replacing the System Board Removing the System Board 1. Remove any components that restrict access to the system board.
5. Slide the system board assembly toward the back of the computer until the assembly clicks into position. 6. Replace any components and cables that you removed from the system board.
An important point after buying a device Dell 650 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Dell 650 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Dell 650 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Dell 650 you will learn all the available features of the product, as well as information on its operation. The information that you get Dell 650 will certainly help you make a decision on the purchase.
If you already are a holder of Dell 650, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Dell 650.
However, one of the most important roles played by the user manual is to help in solving problems with Dell 650. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Dell 650 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
