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тАО12-02-2003 09:44 AM
тАО12-02-2003 09:44 AM
Need to verify that we can install 1gb and 512 MB dimms in am rp7400.
I have read that we need to put the larger dimms in the lowest slot # , and I assume that we need to balance these across the carrier boards.
Is there any thing else I might need to know about mixing memory dimms.
Thanks in advance.
Richard Kibler
I have read that we need to put the larger dimms in the lowest slot # , and I assume that we need to balance these across the carrier boards.
Is there any thing else I might need to know about mixing memory dimms.
Thanks in advance.
Richard Kibler
Catch and Eat Fisherman
Solved! Go to Solution.
3 REPLIES 3
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тАО12-02-2003 10:07 AM
тАО12-02-2003 10:07 AM
Solution
This link should tell you everything you need to know:
http://docs.hp.com/hpux/onlinedocs/3687/rp7400_customer_hardwaremanual.pdf
It's not a performance requirement that the largest modules be installed in the lowest slots but it is more convenient that way if you need to upgrade memory later. Yes, you do want to utilize all available carriers using all the 0a's and 0b's on all carriers before moving to the 1's, 2's, ... .
Mixing and matching module sizes is fine. It is perfectly okay to have a 1GB pair in slot 1 of Carrier 0 and a 512MB pair in slot 1 of carrier 1.
http://docs.hp.com/hpux/onlinedocs/3687/rp7400_customer_hardwaremanual.pdf
It's not a performance requirement that the largest modules be installed in the lowest slots but it is more convenient that way if you need to upgrade memory later. Yes, you do want to utilize all available carriers using all the 0a's and 0b's on all carriers before moving to the 1's, 2's, ... .
Mixing and matching module sizes is fine. It is perfectly okay to have a 1GB pair in slot 1 of Carrier 0 and a 512MB pair in slot 1 of carrier 1.
If it ain't broke, I can fix that.
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тАО12-02-2003 10:24 AM
тАО12-02-2003 10:24 AM
Re: mixing memory dimms in rp7400
Just so you get the right ones.
http://partsurfer.hp.com/cgi-bin/spi/main?sel_flg=partlist&model=RP7400&HP_model=&modname=9000+Server+-+rp7400&template=secondary&plist_sval=Memory+%28DIMM%29&plist_styp=subcat&dealer_id=&callingsite=&keysel=Memory+%28DIMM%29&catsel=X&ptypsel=X&strsrch=
This pdf contains the information yo want:
http://search.hp.com/gwuseng/redirect.html?url=http%3A//h20000.www2.hp.com/bc/docs/support/SupportManual/c00044151/c00044151.pdf&qt=rp7400+specification+DIMM&pos=1&type=REG
I'm sure theres a link to a html doc but I can't find it.
Maybe this:
http://docs.hp.com/cgi-bin/fsearch/framedisplay?top=/hpux/onlinedocs/5187-2255/5187-2255_top.html&con=/hpux/onlinedocs/5187-2255/00/00/48-con.html&toc=/hpux/onlinedocs/5187-2255/00/00/48-toc.html&searchterms=rp7400&queryid=20031202-162253
SEP
http://partsurfer.hp.com/cgi-bin/spi/main?sel_flg=partlist&model=RP7400&HP_model=&modname=9000+Server+-+rp7400&template=secondary&plist_sval=Memory+%28DIMM%29&plist_styp=subcat&dealer_id=&callingsite=&keysel=Memory+%28DIMM%29&catsel=X&ptypsel=X&strsrch=
This pdf contains the information yo want:
http://search.hp.com/gwuseng/redirect.html?url=http%3A//h20000.www2.hp.com/bc/docs/support/SupportManual/c00044151/c00044151.pdf&qt=rp7400+specification+DIMM&pos=1&type=REG
I'm sure theres a link to a html doc but I can't find it.
Maybe this:
http://docs.hp.com/cgi-bin/fsearch/framedisplay?top=/hpux/onlinedocs/5187-2255/5187-2255_top.html&con=/hpux/onlinedocs/5187-2255/00/00/48-con.html&toc=/hpux/onlinedocs/5187-2255/00/00/48-toc.html&searchterms=rp7400&queryid=20031202-162253
SEP
Steven E Protter
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО12-02-2003 08:56 PM
тАО12-02-2003 08:56 PM
Re: mixing memory dimms in rp7400
Richard,
there comes a time when you just *cannot* make it balanced with all the DIMMs you have. Don't worry, you would still prefer 7GB memory unbalanced over 6GB balanced. If you have it unblanced, memory test will give a warning to acknowledge, if you don't acknowlegde - timeout is 60 seconds, except for that boot sequence will go as usual.
Regards,
Bernhard
there comes a time when you just *cannot* make it balanced with all the DIMMs you have. Don't worry, you would still prefer 7GB memory unbalanced over 6GB balanced. If you have it unblanced, memory test will give a warning to acknowledge, if you don't acknowlegde - timeout is 60 seconds, except for that boot sequence will go as usual.
Regards,
Bernhard
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