1964, IBM, System/360 System Summary, page 27The IBM 2301 Drum Storage (Figure 20) provides random access storage of approximately 4 million bytes at a data rate of 1.2 megabytes per second.
(computing) 1,048,576 bytes; a mebibyte. Frequently abbreviated MB.
2003, Michael Meyers, Managing and Troubleshooting PCs, page 933One megabyte is 1,048,576 bytes. One megahertz, however is a million Hertz.
2004, Kerry Cox & Christopher Gerg, Managing Security with Snort and IDS Tools, page 92Defaults to 2 megabytes (2,097,152 bytes).
2006, Eriq Oliver Neale, Microsoft Small Business Server 2003 Unleashed, page 290By default, each log file ... is exactly 5 megabytes (5,242,880 bytes) in size.