PCI&ISA 4 bit pc motherboard diagnostic post debug test card

Installation Guide:
Quick and easy to install into an open PCI or ISA slot of your PC motherboard.
Easy to read LED Display on the Display.
Will assist in revealing where problem is while troubleshooting.
Can be used to identify whether CPU or motherboard is defective.
Will help to determine if the memory is faulty.
Able to pinpoint whether the Video card is problematic.
8 LED that can hint whether power supply or importance signal is failing.
Simple to follow POST Code table for problem description.
Drastically reduce troubleshooting time.
Helpful to both Novices and Experienced users alike.
4bit display code and more useful function.
Compatible with 80H, 84H and 300H I/O port for all mainboard of PC.
POST code save function, display previous POST code one by one.
Display exact PCI or ISA bus speed for computers.
Self-check function to make sure for display exactly.
Excellent technology in keeping with international quality standard.

SPECIFICATIONS:
INTERFACE BUS: 32-bit PCI and 8-bit ISA.
INDICATORs:
4Bit 7stroke LEDs: POST CODE present.
-12 LED : -12V power present
+12 LED : +12V power present
+5V LED : +5V Power Present
3.3V LED: 3.3V Standby power present
IRDY LED: reading BIOS present
RESET LED : RESET signal present.
speaker sound reminds