1MB = 1 million bytes 1Mb = 1Mbit = 1 million bits 1MiB (mebibyte) = 1.048.576 bytes, which is what most people call mega byte(MB), but isn't. 1Mibit = 1 Mib = 1.048.576 bits
Usually when a chip is said to have 1MB it really has 1MiB, not less, and 8Mib, not 8Mb. http://en.wikipedia.org/wiki/Mebibit Best regards, Tiago Marques On Sun, Oct 26, 2008 at 3:37 PM, Chris Lingard <[EMAIL PROTECTED]>wrote: > Carl-Daniel Hailfinger wrote: > >> On 26.10.2008 15:39, Chris Lingard wrote: >> >>> Corey Osgood wrote: >>> >>>> On Sat, Oct 25, 2008 at 11:13 AM, Chris Lingard <[EMAIL PROTECTED] >>>> <mailto:[EMAIL PROTECTED]>> wrote: >>>> The board comes with a ITE IT8716F 4MB chip; but that is compatible >>>> with SST49LF040A chips. I already have these and some SST49LF080A >>>> chips; just wish there were 160 or 320MB >>>> >>>> >>>> I'm hoping that's a typo, SST49LF080 is 8Mb (that's 8 megabits, or 1 >>>> megabyte), larger chips would be 16 or 32Mb (2 or 4MB). >>>> >>> Well if 040 is 4MB and 080 is 8MB, I would hope there is a 160 at 16MB >>> and so on; or do engineers use a secret numbering system :-) >>> >> >> Secret numbering system. >> 040 is 4 Mbit = 512 kByte >> 080 is 8 Mbit = 1 MByte >> 160 is 16 Mbit = 2 MByte >> >> I used to do boot CDs pretending to be 2.8Mb floppies, and would be >>> happy with a 4Mb chip to get a Linux kernel into. >>> >> >> No, these were 2.88 MByte floppies, not 2.88 Mbit floppies. Even the >> SST49LF160 chip is smaller than that floppy. >> >> Regards, >> Carl-Daniel >> >> > LOL > > We use different terms > > To me a Mb is one million bytes > And a MB is one million bits > > But we all agree in the end > > Chris Lingard > > > > -- > coreboot mailing list: [email protected] > http://www.coreboot.org/mailman/listinfo/coreboot >
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