HP X Class 500/550MHz DiagTools User's Guide - Page 32
What is Tested
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3 Basic System Test What is Tested What is Tested The basic tests include the following: Ì Basic System Tests, to verify the correct functioning of the processor and subsystems: • Basic processor functionality • DMA controller • Interrupt controller • Timer • Real time clock • CMOS Validity • PCI system • MMX • DMI • Multi-processor (if appropriate) Ì Memory Tests, to check the correct functioning of main and cache memory: • BIOS ROM • Parity • Address • Refresh • Data bus • Cache memory Ì IDE hard disk drive tests, to check the basic functioning of any IDE hard disk drives. • Basic IDE HDD functionality Ì SCSI hard disk drive, to check the basic functioning of any SCSI hard disk drives: • Basic SCSI HDD functionality • SCSI disk buffer 22 English