4 Digit PC ISA PCI Analyzer Diagnostic Test Post Card New

100% Brand New & High quality Suitable for your desktop computer Four-bit code is displayed after the post then you can determine the error in error code table It can test the bus speed of the PCI slot and the ISA slot Can diagnose the troubles of not only the motherboard but also the card itself The initiative code is specified and it is 0000 or FFFF It is clear at a glance You can thumb through the code that has gone. If you press the switch the code pause; if you press the switch again the code continue It does no harm to the device while you insert PC analyzer in ISA slot wrongly or rightabout Fully compatible with any kind motherboards which has the PCI or ISA bus slot Dimension: 9cm*8.2cm