Service Manual
Page 15
...All systems in the following similarities: • Use the same system board (OptiPlex GXa systems can use the EM system board) • Identical operational characteristics (same BIOS, POST, memory, microprocessor, external I/O ports, and so on which permits... processing data elements in the SEC cartridge/heat sink assembly on the system board for information about Dell-supported microprocessor upgrades. System Overview 1-3 Standard Features The features described in the OptiPlex GXa and OptiPlex...
...All systems in the following similarities: • Use the same system board (OptiPlex GXa systems can use the EM system board) • Identical operational characteristics (same BIOS, POST, memory, microprocessor, external I/O ports, and so on which permits... processing data elements in the SEC cartridge/heat sink assembly on the system board for information about Dell-supported microprocessor upgrades. System Overview 1-3 Standard Features The features described in the OptiPlex GXa and OptiPlex...
Service Manual
Page 16
...and tape drives via a 34-pin DSKT connector located on the World Wide Web (www.dell.com). 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 This warning occurs only if you at the front of the computer ...(PC87307VUL) that test the system each of 384 MB. Main Memory Main memory for the OptiPlex GXa and OptiPlex NX systems ranges from a minimum of 16 MB to a maximum of which allows for easy BIOS upgrades using high-speed ECC and non-ECC DIMMs. One to three DIMMs, ranging in ...
...and tape drives via a 34-pin DSKT connector located on the World Wide Web (www.dell.com). 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 This warning occurs only if you at the front of the computer ...(PC87307VUL) that test the system each of 384 MB. Main Memory Main memory for the OptiPlex GXa and OptiPlex NX systems ranges from a minimum of 16 MB to a maximum of which allows for easy BIOS upgrades using high-speed ECC and non-ECC DIMMs. One to three DIMMs, ranging in ...
Service Manual
Page 32
.... 266MHZ* Microprocessor Install jumper if the microprocessor's speed internal speed is using COM2 or COM4. 1-20 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual System-Board Jumper Descriptions Jumper Description Settings RSVD2 Reserved Jumper not installed (default). 300MHZ...* Microprocessor Install jumper if the microprocessor's speed internal speed is 233 MHz; BIOS Reserved Jumper not installed (default) ...
.... 266MHZ* Microprocessor Install jumper if the microprocessor's speed internal speed is using COM2 or COM4. 1-20 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual System-Board Jumper Descriptions Jumper Description Settings RSVD2 Reserved Jumper not installed (default). 300MHZ...* Microprocessor Install jumper if the microprocessor's speed internal speed is 233 MHz; BIOS Reserved Jumper not installed (default) ...
Service Manual
Page 48
... 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 one ISA connector share an expansion-card slot...
... 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 one ISA connector share an expansion-card slot...
Service Manual
Page 49
...-MB parity SDRAM Standard RAM 16 MB Maximum RAM 384 MB L2 cache memory 512-MB pipeline-burst, four-way set-associative, write-back SRAM BIOS address F0000h System Overview 1-37 Table 1-6. two (one ISA connector and one PCI connector share an expansion-card slot) or two (both share expansion-card...
...-MB parity SDRAM Standard RAM 16 MB Maximum RAM 384 MB L2 cache memory 512-MB pipeline-burst, four-way set-associative, write-back SRAM BIOS address F0000h System Overview 1-37 Table 1-6. two (one ISA connector and one PCI connector share an expansion-card slot) or two (both share expansion-card...
Service Manual
Page 68
Table 3-1. POST Beep Codes Beep Code Error Probable Causes 1-1-3 NVRAM write/read failure Defective system board 1-1-4 BIOS checksum failure Faulty BIOS or defective system board 1-2-1 Programmable interval-timer Defective system board failure 1-2-2 DMA initialization failure 1-2-3 1-3-1 1-3-2 1-3-3 DMA page register write/ read ... 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
Table 3-1. POST Beep Codes Beep Code Error Probable Causes 1-1-3 NVRAM write/read failure Defective system board 1-1-4 BIOS checksum failure Faulty BIOS or defective system board 1-2-1 Programmable interval-timer Defective system board failure 1-2-2 DMA initialization failure 1-2-3 1-3-1 1-3-2 1-3-3 DMA page register write/ read ... 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
..., faulty or improperly connected diskette/tape drive interface cable, or loose power cable. 3-4 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual Failure occurred while system attempted to associated drive. 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...
..., faulty or improperly connected diskette/tape drive interface cable, or loose power cable. 3-4 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual Failure occurred while system attempted to associated drive. 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...
Service Manual
Page 168
...change fields , change values Alt-P next Esc exit Alt-B reboot key functions system data Page 2 of 2 Dell Computer Corporation (www.dell.com) System OptiPlex GXa 233M EM+ Setup BIOS Version: XXX Time: 13:17:02 Date: Mon Sept 1, 1997 Diskette Drive A: 3.5 inch, 1.44 MB...A-2 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual To change the value in 24-hour format (hours:minutes: seconds) for the internal clock/ calendar. 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...
...change fields , change values Alt-P next Esc exit Alt-B reboot key functions system data Page 2 of 2 Dell Computer Corporation (www.dell.com) System OptiPlex GXa 233M EM+ Setup BIOS Version: XXX Time: 13:17:02 Date: Mon Sept 1, 1997 Diskette Drive A: 3.5 inch, 1.44 MB...A-2 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual To change the value in 24-hour format (hours:minutes: seconds) for the internal clock/ calendar. 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...
Service Manual
Page 173
... universal power supply, 1-7 audio connectors, 1-6 controller, 1-5 B battery removal low-profile computer, 4-21 midsize computer, 5-23 mini tower computer, 6-26 Net PC computer, 7-16 beep codes, 3-1 BIOS, flash ROM, 1-4 block diagram low-profile computer, 1-28 midsize computer, 1-30 mini tower computer, 1-31 Net PC computer, 1-35 boot routine observing while troubleshooting, 2-3 bracket...
... universal power supply, 1-7 audio connectors, 1-6 controller, 1-5 B battery removal low-profile computer, 4-21 midsize computer, 5-23 mini tower computer, 6-26 Net PC computer, 7-16 beep codes, 3-1 BIOS, flash ROM, 1-4 block diagram low-profile computer, 1-28 midsize computer, 1-30 mini tower computer, 1-31 Net PC computer, 1-35 boot routine observing while troubleshooting, 2-3 bracket...