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(Posted by Abernathyshawn700 7 years ago)
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'nx' Feature On Dell Gx270 Bios 2.7
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(Posted by gurumurthyarodi 11 years ago)
Dell OptiPlex GXa Videos
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Popular Dell OptiPlex GXa Manual Pages
Service Manual - Page 13
...-MHz), upgradable desktop computers built around high-performance Intel® Pentium® II microprocessors with Wakeup On LAN capability. Chapter 1
System Overview
This manual contains field-servicing information for an optional Network Interface Card with MMXTM technology. Chapters 1 through 3 and Appendix A contain information that applies to all models of computers. The OptiPlex GXa...
Service Manual - Page 15
... features of pipeline-burst SRAM cache memory. Secondary L2 Cache
For additional performance, the OptiPlex GXa and OptiPlex NX systems employ a secondary cache memory subsystem with a cache memory controller and 512 KB of the Pentium II microprocessor include internal 16-KB data and instruction caches, internal math coprocessor, and the MMX instruction set for high performance in complex...
Service Manual - Page 16
... up if your hard-disk drive has become unreliable. All main memory is implemented using diskette files or files downloaded from Dell's home page on ).
Other chassis configurations can support a maximum of 384 MB. The BIOS also incorporates the POST diagnostics that can accommodate two external drive devices.
1-4 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual The secondary EIDE...
Service Manual - Page 48
... the microprocessor
System Information
System chip set Intel 440LX chip set
Data bus width 64 bits
Address bus width 32 bits
DMA channels seven
Interrupt levels 15
Flash EPROM (BIOS) . . . . . 2 Mb
Expansion Bus
Bus types PCI and ISA (PCI bus complies with ISA connectors)
1-36 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual two (one PCI connector and...
Service Manual - Page 60
...to cancel. Then move the LANDesk Service Agent above drive C: on system access.
2-6 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual Press to reboot the computer. 2. If you wait more than 5 seconds before making a selection, the system automatically enters the software services.
5. If necessary, enter the System Setup program and set the computer to operate at all peripherals...
Service Manual - Page 62
...-disk drive
2-8 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual age capability of the mouse keys
• Hard-Disk Drive Tests -
If you choose the following message:
Press for loading the diagnostics. If no errors are prepared to open the computer, refer to "Internal Visual Inspection" found in this chapter. Runs all the directly addressable RAM • System Set...
Service Manual - Page 64
... DIMM has failed. If no errors are found earlier in the online Network Administrator's Guide or online System User's Guide.
2-10 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual If the Diagnostics Menu still does not appear, proceed to reboot the computer. connect all
peripherals and the computer. 2. Connect the Y-cable's hard-disk drive connector to appear on all...
Service Manual - Page 68
...through 2-4-4
3-1-1
Bit failure in the first 64 KB of main memory
Slave DMA-register failure Defective system board
3-1-2
Master DMA-register failure
3-1-3
Master interrupt-mask register failure
3-1-4 3-2-4
Slave interrupt-mask register failure
Keyboard-controller test failure
Faulty keyboard controller (defective system board)
3-2 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual
Service Manual - Page 70
... connected diskette/tape drive interface cable, or loose power cable.
3-4 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual System Error Messages
Message
Definition
Probable Causes
Address mark not found
BIOS found faulty disk sector or could not locate specific sector or track. not exist or is not in System Setup program, loose diskette/ tape drive interface cable, or loose power...
Service Manual - Page 71
... controller (defective system board).
Operating system corrupted or not installed properly.
Keyboard clock line failure
Keyboard failure
System cannot communicate with keyboard.
Beep Codes and Error Messages 3-5 Faulty diskette/tape drive controller (defective system board). Incorrect configuration settings in diskette drive.
Keyboard cable connector loose or improperly...
Service Manual - Page 73
.... Plug and Play Configuration Error
System encountered problem in drive A.
Beep Codes and Error Messages 3-7
No boot sector on system board Defective system board.
Sector not found
System could not find particular sector on it is trying to boot. locate sector on dis- Incorrect configuration settings in System Setup program, or no boot disk in trying to
Defective...
Service Manual - Page 90
... system board).
4-16 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual Carefully lift the system board out of the
chassis. 5. Remove the expansion-card cage. 3. Remove the screw that the replacement board contains a NIC connector. Also, set the jumpers on the new system board so they are replacing the system board, remove all DIMMs, the videomemory upgrade module (if present...
Service Manual - Page 114
... board).
5-18 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual When you reinstall the system board (before you slide it stops. 6. Remove the screw that the replacement board contains a NIC connector. NOTES: If you are identical to engage the grounding clip onto its corresponding tab. Also, set the jumpers on the old board, unless a microprocessor upgrade is an EM...
Service Manual - Page 164
... to engage the grounding clip onto its AC outlet.
7-16 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual To remove the system board, follow these steps: 1. Push evenly on the replacement board. Remove the screw that the replacement system board is equipped with a NIC connector. System Battery Installation
BATTERY socket
To remove the system battery, follow these steps...
Service Manual - Page 168
.... System Setup Screens
A-2 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual
System Setup Screens
configuration options
title box
help
Page 1 of 2
Dell Computer Corporation (www.dell.com) System OptiPlex GXa 233M EM+ Setup
BIOS Version: XXX
Keyboard Errors: System Password: Password Status:
Boot Sequence:
Report Not Enabled Unlocked Diskette First
This category sets whether...
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