1. A computer system that executes transaction requests, comprising: a memory requester that transmits a transaction request that includes a requested virtual address; a system memory storing a remapping table, the remapping table including virtual registers each storing a pointer that references a target location in the system memory; a system controller coupled to the memory requester and the system memory, the system controller being structured to convert the requested virtual address to a physical address of a selected one of the virtual registers of the remapping table, and access a selected target location of the system memory using the pointer stored in the selected virtual register.