Typically, When a bus bridge sees a transaction on just one bus that needs to be forwarded to one other, the initial transaction have to wait until eventually the forwarded transaction completes just before a result's ready. One particular noteworthy exception occurs in the case of memory writes. Listed here, https://nathanlabsadvisory.com/ensuring-secure-payment-processing-with-pci-dss-compliance-certification-in-the-usa/