Features: 1.Scope of Application: The computer memory tester with LED is used to repair motherboard failures such as no boot, no display, and no memory reading 2.DDR2 and DDR3: The computer memory tester is suitable for motherboards that support all DDR2 and DDR3 ports from for INTEL and for AMD 3.Pay Attention: When testing the for intel motherboard, the motherboard can be measured without inserting the CPU and various connection cards 4.Test Requirements: When testing the for AMD motherboard, the test light will be on when the CPU must be plugged in 5.Light 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 lines specification:Item Type: Computer Memory Tester Material: PCB Battery Type: CR2032 Button Battery (delivered without battery) Applicable: Motherboards That Support All DDR2 and DDR3 Interfaces of for Intel and for AMD PackageList: 1 xComputerMemoryTester 1 x User Manual NoteWhen testing the motherboard for intel, the motherboard can be measured without inserting the CPU and various connection cards When testing for AMD motherboard, the test light will be on when the CPU is plugged in Shipped Without Battery