Lenovo ThinkCentre M77 Hardware Maintenance Manual (HMM) - ThinkCentre M77 - Page 165

Chapter 10. FRU lists This chapter lists the information on the field replaceable units (FRUs). Attention: Be sure to read and understand all the safety information before replacing any FRUs. Note: In the following tables, a customer replaceable unit (CRU) is identified as either "1", "2", or "N" in the CRU column. "N" means that the part is not a CRU, "1" means that the part is a Self-service CRU, and "2" means that the part is an Optional-service CRU. Overall: 1982, 1983, 1985, 1986, 1987, 1990, 1992, 1993, 1994, and 1995 The following replaceable components are available for the 1982, 1983, 1985, 1986, 1987, 1990, 1992, 1993, 1994, and 1995 machine type models. Item # 1 2 FRUs AMD 89W 4 pin cooler kit for AMD 65W 95W 80W 45W microprocessor • MT 1982: all models • MT 1983: all models • MT 1990: all models • MT 1995: all models Memory module, 2GB PC3-10600 1333MHz DDR3 UDIMM • MT 1982: CTO A1A A1T A2A A2T A3A A3T A4U A4F A4S A6G B3Q B4Q B5A B5T B6G B7G D5G D6G D8G D9A D9T E1Q E4B • MT 1983: CTO • MT 1990: CTO A1H A2H A3A A3T A4A A4T A5A A5T A6U A6F A6S A7G A8Q A9Q B1V B2V B3V B4V B5A B5T B9J D1J D2G D3V D4V D5V D6V D7V 98U D8A D8T D9Q E1U E1F E1S E4J E5J FRU # 43N9886 64Y6649 © Copyright Lenovo 2011, 2012 CRU 1 1 161