Item Type: Computer Memory Tester_x000D_ Material: PCB_x000D_ Battery Type: CR2032 Button Battery (delivered without battery)_x000D_ Applicable: Motherboards That Support All DDR2 and DDR3 Interfaces of for Intel and for AMD1Scope of Application: The computer memory tester with LED is used to repair motherboard failures such as no boot, no display, and no memory reading 2DDR2 and DDR3: The computer memory tester is suitable for motherboards that support all DDR2 and DDR3 ports from for INTEL and for AMD 3Pay Attention: When testing the for intel motherboard, the motherboard can be measured without inserting the CPU and various connection cards 4Test Requirements: When testing the for AMD motherboard, the test light will be on when the CPU must be plugged in 5Light Emitting Diodes: The mainboard board memory slot tester card uses light emitting diodes to indicate the open circuit and short circuit of data lines and address linesWhen testing the motherboard for intel, the motherboard can be measured without inserting the CPU and various connection cards_x000D_ When testing for AMD motherboard, the test light will be on when the CPU is plugged in_x000D_ Shipped Without Battery 1 xComputerMemoryTester 1 x User Manual