Lenovo ThinkPad A21e TP A21e, A22e Hardware Maintenance Manual (June 2001) - Page 43

Product overview Product overview This section presents the following product-unique information: v "Specifications" v "Status indicators" on page 41 v "FRU Tests" on page 43 v "Fn key combinations" on page 44 Specifications The following table lists the specifications of the ThinkPad A21e, A22e and i 1800: Feature Processor Description A21e v Intel® Celeron® processor 650 MHz v Intel® Celeron® processor 700 MHz A22e v Intel® Celeron® processor 800 MHz v Intel® mobile Pentium® III processor 850 MHz featuring Intel® SpeedStep™ technology v Intel® mobile Pentium® III processor 900 MHz featuring Intel® SpeedStep™ technology i 1800 v Intel® Celeron® processor 750 MHz v Intel® mobile Pentium® III processor 750 MHz featuring Intel® SpeedStep™ technology Bus architecture PCI Bus Memory (standard) A21e, A22e v 64 MB (SO-DIMM × 2) Memory (optional) i 1800 v 128 MB (SO-DIMM × 2) A21e v 64 MB or 128 MB DIMM card (maximum of 256 MB) CMOS RAM A22e, i 1800 v 64 MB or 128 MB DIMM card (maximum of 256 MB) v 64 MB, 128 MB or 256 MB DIMM card (maximum of 512 MB) 242 bytes (continued) ThinkPad A21e, A22e, i 1800 39