http://www.ibm.com/investor/4q05/4q05earnings.phtml Hardware revenues for the Systems and Technology Group totaled $6.8 billion for the quarter, up 6 percent. Revenues from the zSeries mainframe product increased 5 percent compared with the year-ago period. Total delivery of zSeries computing power, which is measured in MIPS (millions of instructions per second), increased 28 percent. Revenues from the pSeries UNIX servers increased 4 percent; however, revenues from the iSeries midrange servers decreased 18 percent and xSeries servers were flat. In addition to the eServers, revenues from Storage Systems increased 24 percent and Microelectronics increased 48 percent.