On Thu, Jul 23, 2015 at 12:22:17PM -0400, Bryan J Smith wrote: > Oh goodie! Does this mean LPI will buy me some new hardware?! > > J/K > > In all seriousness ... > > [ Off-topic ] > > I'm currently "holding out" on upgrading my notebook** awaiting ... > > 1) ADC-DACs capable of 4K@60Hz > I.e., Intel ODMs love to ship low-quality, crippled ADC/DACs connected > to their DisplayPorts that only do 4K@24-30Hz, even when you have a > discrete GPU from nVidia (that have to go through the same, > low-quality controllers -- even with Optimus disabled) > > 2) 8Gb IC technology > I.e., 64GiB RAM via four (4) 16GiB Single Rank (1R) DDR4 SO-UDIMMs > > 3) NAND controllers w/PCIe 3.0 bridge logic, including NVMe > I.e., 1TB+ M.2 NAND devices that not only support NVMe, but don't > overheat because they use an, old, external PCIe 2.0 bridge fabbed at > 65-90nm instead of 20-28nm like (and inherently built-into) the NAND > controller > > Regarding #1, more systems are becoming available. > Regarding #2, Samsung, TSMC, et al. still hasn't really put the money > into converting their multi-billion dollar fabs ... yet (the industry > is so supply-side macroeconomics) ... so until they do, 16GiB 1R > UDIMMs cannot be had (only 2R UDIMMs or 2R RDIMMs) > > So ... regarding #3 ... > > I'm likely to buy one of those new M.2 NAND devices the second they > come out, and use a desktop (with a PCIe card adapter) to test them -- > especially NVMe boot. From that, I can help write the objectives. > > Once #2 is solved, along with a quality notebook using an Intel > chipset that doesn't cripple the logic for #1, then I'll actually > upgrade my notebook.** > > -- bjs > > **P.S. Yeah, I'm still using 2011-2012 era 60 series (SandyBridge) > notebooks/netbooks such as a Dell Precision m4600 and Lenovo Thinkpad > x220. I mean ... why upgrade when I'm still limited in memory and > DisplayPort resolutions, and M.2 SATA/AHCI and even PCIe/AHCI is > little better than mSATA SATA/AHCI. > > Furthermore, I haven't seen even a M.2 at 1TB yet, when mSATA has had > 1TB since last year (I know, I have one in my m4600!), and the 2TB > 2.5" and even mSATA devices are being readied, while M.2 is still > stuck at 512GB.
I wonder how much confusion M.2 is going to cause given some devices are PCIe based and others are SATA based, and some boards only support one or the other, while many do support both. -- Len Sorensen _______________________________________________ lpi-examdev mailing list [email protected] http://list.lpi.org/cgi-bin/mailman/listinfo/lpi-examdev
