HP LH4r HP Netserver DiagTools v1.0x User Guide - Page 75

Test Descriptions

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B Test Descriptions Test Descriptions System Test Menu The tests included in the System Test Menu exercise the basic functionality of the CPU, ensuring that the registers, the flags, and both the basic and protected instructions work as expected. It includes tests of the chip speed as well as the operation of integrated controllers for coprocessing, DMA, interrupts, and the timers and clock functionality. Specialized tests for PCI devices, Plug and Play devices, and MMX instructions are also included. Basic Functionality Test This test checks the 32-bit registers, 32 bit flags, and specific processor instructions. CPU Protected Mode Test This test checks if all protected mode special instructions are working properly. Processor Speed Test This test determines and displays the CPU clock speed. If you provide a specific clock speed to compare it with, this test will report error if the expected speed and detected speed does not match. Coprocessor Test The tests include loading and storing the control and status word, data transfer between CPU and NPX, and exception checking while the data transfer is in progress. DMA Controller Test The DMA Controller Test is a series of read/write tests on the memory address and page registers of DMA controllers 1 and 2. Interrupt Controller Test This test performs a series of read/write tests on interrupt mask registers of the interrupt controller. It also checks for stray interrupts. 71

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B
Test Descriptions
Test Descriptions
System Test Menu
The tests included in the System Test Menu exercise the basic functionality of the
CPU, ensuring that the registers, the flags, and both the basic and protected
instructions work as expected. It includes tests of the chip speed as well as the
operation of integrated controllers for coprocessing, DMA, interrupts, and the
timers and clock functionality. Specialized tests for PCI devices, Plug and Play
devices, and MMX instructions are also included.
Basic Functionality Test
This test checks the 32-bit registers, 32 bit flags, and specific processor
instructions.
CPU Protected Mode Test
This test checks if all protected mode special instructions are working properly.
Processor Speed Test
This test determines and displays the CPU clock speed. If you provide a specific
clock speed to compare it with, this test will report error if the expected speed
and detected speed does not match.
Coprocessor Test
The tests include loading and storing the control and status word, data transfer
between CPU and NPX, and exception checking while the data transfer is in
progress.
DMA Controller Test
The DMA Controller Test is a series of read/write tests on the memory address
and page registers of DMA controllers 1 and 2.
Interrupt Controller Test
This test performs a series of read/write tests on interrupt mask registers of the
interrupt controller. It also checks for stray interrupts.