Hardware Reference
In-Depth Information
Photo 1.9
Various PC memory devices with capacities varying from 1 to
256 MB
Photo 1.10
DIMM memory module with heatsinks fitted to each memory
device
former case, the parity bit is set when there is an odd number of 1's in the byte
of data. In the latter case, the parity bit is set when there is an even number of
1's in the byte of data. Other, more powerful, data integrity checking methods
are now available, such as error correction code (ECC) methods. ECC provides