UPH Laptop Tester- Laptop Diagnostic This tester is made specially for diagnose the fault of IBM laptop, apply to IBM laptop Model:
For T61, R61/I/E, T400/S, T500, X61/S, X200/S, W500, W700 series.
Run the tester and refer the number code (result of Post) to the error code listed as below:
FF 00- CPU is not working, bios programme corrupted or no bios posting.
2C 28 2E 38- memory error, memory cicuit error, north bridge error.
4A- display card error.
49 55 90- South bridge error.
B6- bios is locked.
Supports three bus interfaces: MINI PCI, Mini PCI-E and LPC.
Support LCD diaplay for English ( English Manuelincluded)
Support IBM laptop battery interface
Support Asus laptop ELPC interface
Run the tester and refer the number code (result of Post) to the error code table in the User Guide for the fault the code indicates.
Especially when the PC can't boot operating system, or blank screen, or the card and motherboard couldn't issue an audible beep.
It can diagnosis signal which show the problem of CPU, Memory, display card and so on.
The Display portion is composed with two 7-segment LEDs. The two "Dots" of the LEDs are used to indicate the notebook "RST" and "CLK" status. The left side "Dot" is for "RST", and the right side "Dot" is for "CLK".
When the notebook is in "Reset" status, the left side Dot" will be lighted. And when the notebook has a correct CLK output, the right side "Dot" will be lighted.
Note: Please be aware that Mini-PCI-E is supported with limitation model of notebook, and the pin orientation must follow to PIN1-3.3V, PIN2-LFRAME#, PIN3-LAD3, otherwise, it need to test with other port, such as LPC or mini-pci.
Suit for the laptop and desktop which of POST code output to LPT, can access to USB or access to computer power 
4-digit display. "Star Code" is "0000"or"FFFF".Can test itself faults, fully compatible 286 to PIV motherboards, the code is nore exact, and reliable. no crash. Can check the code, the code won't pass when it appears, press switch once, then display a code and pause.