Messages in this thread |  | | From | Tom Bjorkholm <> | Subject | Re: > 64 MB of RAM | Date | Tue, 7 May 1996 09:24:39 +0200 (MET DST) |
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Kevin Buettner wrote: > > Memory prices seem to be falling and I am contemplating buying more > memory. > > In Documentation/Configure.help, it says the following: > > : Limit memory to low 16MB > : CONFIG_MAX_16M > : This is for some buggy motherboards which cannot properly deal with > : the memory above 16MB. If you have more than 16MB of RAM and > : experience weird problems, you might want to try Y, everyone else > : says N. Note for machines with more that 64MB of RAM: in order for > : the kernel to be able to use the memory above 64MB, pass the command > : line option "mem=XXXM" (where XXX is the memory size in megabytes) > : to your kernel during boot time. See the documentation of your boot > : loader (lilo or loadlin) about how to pass options to the > : kernel. The lilo procedure is also explained in the SCSI-HOWTO, > : available via ftp (user: anonymous) in > : sunsite.unc.edu:/pub/Linux/docs/HOWTO. You also need at least 512kB > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > : of RAM cache if you have more than 64MB of RAM. Some other things > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > Is the line about needing a 512kB cache true? >
No, it is not true. We are running Linux (1.3.45 & 1.3.86) on computers with more than 64 MB of RAM and only 256 kB of cache. No problems at all. (It might be that some motherboards/BIOSes needs 512 kb of cache, but ...)
(Maybe someone cares to fix this design bug.)
/Tom -- --------------------------------------------------------------- Tom Bjorkholm MYDATA automation AB tel: +46 8 629 09 00 Karlsbodavagen 39 fax: +46 8 629 09 09 S-161 70 Bromma, Sweden
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