Dell Inspiron 7000 Reference And Troubleshooting Manual

Also see for Inspiron 7000: Port Replicator user's guide Update guide Install guide Setup guide Installation guide

Contents

Dell Inspiron 7000 Reference And Troubleshooting Manual Manual pdf 97 page image

Running the Dell Diagnostics 4-17á Interrupt Controller TestGenerates an interrupt on each interrupt request (IRQ) line to verify that devicesusing that line can communicate with the microprocessor and that the interruptcontroller sends the correct memory addresses to the microprocessor.á System Speaker TestChecks the functionality of the speaker by generating eight tones.á Coprocessor Calculation TestChecks the use of different types of numbers and the math coprocessor’s abilityto calculate correctly.á Coprocessor Error Exception TestVerifies the math coprocessor’s ability to handle errors and to send IRQs to themicroprocessor.á PCMCIA TestChecks the functionality of the PC Card controller on the system board.á USB Register TestChecks the onboard registers of the universal serial bus (USB) interface. This sub-test does not test USB peripherals.á USB Memory Structure TestTests the USB controller’s ability to access and understand standard USB data insystem memory.á Temperature Range TestVerifies that the temperature sensor is within the minimum/maximum range andthat the sensor can detect change.á Fan On/Off TestVerifies the fan’s cooling ability, and that it can be turned off and on.á Battery Charger TestVerifies that the battery charger produces a voltage and that the battery holds acharge.9LGHR7HVW*URXS The subtests in the Video test group verify the proper operation of the video controllerand the video control circuitry installed in the computer. These subtests check for thecorrect operation of the readable registers in the video circuitry and the controller.They write, read, and verify data patterns in the cursor registers of the controller. The