Use the PCI interface with desktop PCs
Parallel/USB connectors with laptop notebook and PCs
DETECT PCI/ISA bus clock frequency
With internal onboard Speaker and external Speaker interface
Browse diagnosis code given by POST (power on self test)?
It can diagnosis the motherboard signal which show the problem of CPU, Memory, display card and so on.
LED displays shows diagnosis result of motherboard. Especially helpful to pinpoint where is the problem when power on the computer and find no display or machine hangs up
Warning: unplug your power supply before inserting or removing diagnosis card.
Track up to 10 items on this computer in 
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