Thanks very much sir! I guess it makes most sense to just have two of these machines side by side, and split the workload. ;-)
On 3 September 2018 at 19:30, Nico Huber <[email protected]> wrote: > Hi David, > > On 03.09.2018 19:13, David Potocnik wrote: > > Coreboot, or perhaps rule it out completely? > > it's impossible, unless you want to heavily mod the mainboard. Ivy > Bridge supports 4 ranks per channel, max 4GiB per rank. SO-DIMMs have > only 2 ranks. So with 2 SO-DIMM slots, there are physical connections > missing to get to 32GiB. > > > Information on RAM frequencies is welcome as well: > > > > I've also heard reports of people running the RAM at 1866Mhz. A newer > > version of the official BIOS reduced the original 1666Mhz, to 1333Mhz. I > > believe there's a mod available that over-rides this: > > http://x220.mcdonnelltech.com/resources/ > > > > > > How is this currently on Coreboot? > > coreboot limits the frequency to whatever the board manufacturer con- > figured the chipset to (using one-time programmable fuses). It can be > configured, however, to ignore the fuses. Then it would use whatever > the RAM supports up to the CPU's limit. This is overclocking so there > is no guarantee that it would work on one X230 sample just because it > works on another. And there is probably no real-world application that > would benefit (2 x DDR3-800 is already quite fast compared to what Ivy > bridge can do with the data). > > Hard to tell why Lenovo lowered the frequency late. Maybe because there > was no performance impact but it saves power? > > Nico >
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