connectors communications links to network computers 108 110 and 112 in fig1 may be provided through modem 218 and network adapter 220 connected to pci local bus 216 through add in boards additional pci bus bridges 222 and 224 provide interfaces for additional pci local buses 226 and 228 from which additional modems or network adapters may be supported in this manner data processing system 200 allows connections to multiple network computers a memory mapped graphics adapter 230 and hard disk 232 may also be connected to i o bus 212 as depicted either directly or indirectly those of ordinary skill in the art will appreciate that the hardware depicted in fig2 may vary for example other peripheral devices such as optical disk drives and the like also may be used in addition to or in place of the hardware depicted the depicted example is not meant to imply architectural limitations with respect to the present invention the data processing system depicted in fig2 may be for example an ibm e server pseries system a product of international business machines corporation in armonk n y running the advanced interactive executive aix operating system or linux operating system with reference now to fig3 a block diagram illustrating a data processing system is depicted in which the present invention may be implemented data processing system 300 is an example of a client computer data.