Chipkill


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Chipkill

A memory module technology from IBM that, similar to RAID 3 for hard disks, spreads the bits across multiple memory chips. It can take bad memory chips offline when too many bit errors are encountered and also correct errors of several bits per module. Chipkill typically exceeds the error correction in ECC memory. Although often referred to as Chipkill, similar technologies from other vendors are Single Device Disable Code (SDDC) from Intel, Extended ECC from Sun and Chipspare from HP. See ECC memory and RAID.
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It comes with either 1GB or 2GB of main PC2100 DDR chipkill memory standard, expandable to 32GB, and can support up to six Ultra320 SCSI disk drives for a total capacity of 876GB.
The system also features Chipkill technology derived from IBM's mainframes.