2016 KQCPET6-H 2 in 1 Laptop And Desktop PC Universal Diagnostic Test Debug King Post Card Support for PCI PCI-E miniPCI-E LPC 2.0PCI, PCIE, LPC, MiniPCI-EDiagnostic Card KQCPET6 V4 KQCPET6-H 2 in 1 Laptop And Desktop PC Universal Diagnostic Test Debug King Post Card Support for PCI PCI-E miniPCI-E LPC 2.0PCI, PCIE, LPC, MiniPCI-EDiagnostic Card KQCPET6 V4 V4(KQCPET6-H V2 upgrade model WARNING: When PCI , PCIE Slots both exist, please plug priority the diagnostic card into PCI Slot. When only PCI-E Slots, please plug the diagnostic card into correct slot, PCI-E interface to PCI-E X1/X4/X8/X16 slot. DO NOT PLUG PCI-E INTERFACE TO PCI OR AGP OR ANY OTHER NON-PCI-E SLOT, IT WILL DAMAGETHE DIAGNOSTIC CARD OR COMPUTER WHEN POWER SUPPLY IS ON. For Desktop PCI-E, please plug into PCIEX1_1 among of all other slots, avoiding unable to decode. Also apply for PCI-Expressx4x8x16slots. Notice that certain brands of motherboards may only work diagnostic codes on PCI_E X1_1 slot.