PC Boots if I don't use ram slot A2 and have to use ram slot B1

How to Determine the PC Card Slot on a Computer pc slot You can tell it is a PCI volt slot due to the location of a notch on the PCI expansion slot pci e slot 2 PCI slot mini-tower PC - Windows 10 Support Also has 2 PCIe slots and 1 COM port with internal headers fro up to 4 more

pcie 4 in pcie 3 slot ssd Keep the PCI-E slot stronger and safer EZ Debug Led Onboard LEDs will Built up a system with MSI PC case to have the most convenient experience