|
Nehalem到底有没有集成内存控制器呢？哈哈哈哈？
两年前我的预言是多么正确阿。No IMC on desktop!! 
http://www.theinquirer.net/default.aspx?article=38232
Intel's Nehalem has integrated memory controllers
Codemappery
By Charlie Demerjian in Hanover: 星期四 15 三月 2007, 08:45
INTEL IS KEEPING quiet about its upcoming strategy for integrated memory controllers (IMC).
We all know they are coming, and even Kicking Pat Gelsinger confirmed it a week or two back. but what about details? The results will surprise you.
The one that is pretty well known about is the IMC for Stoutland, that part defintetly has an IMC. The config there is FB-DIMM 1 or 2 in a 4 + 1 channel setup. This is per CPU mind you, so a 4S Stoutland will have 20 FBD channels.
The volume part, Thurley, will have three DDR3 channels per socket. The memory is currently slated to run at 800/1066/1333, so bandwidth will not be a problem there. We understand Intel is adopting the micro-buffer strategy from AMD.
For laptops, things are quite the opposite, sources tell us that there will be no IMCs in laptop parts at all, quite a curious turn.
Desktops get murky quickly, but the vast majority of them will not have IMCs either. We hear the only candidate for IMCs on desktop parts are the EE/XE parts, extreme as in Jello.
When questioned why, Intel spokespeople say "we can not comment on future products", but other sources give us a range of answers. Some cite flexibility in memory architectures, others engineering bandwith, and that guy asking for quarters outside Moscone said it was sunspots interfering with the CIA mind control orbital lasers. No two will give you the same answer though, and that we find worrying.
Toss in that there are at least four sockets coming for each application, and you have the potential for a right royal mess. Add in Jasper, a year or so later, and you have the potential for a short lived mess to be supplanted by a slightly longer life short lived mess.
In the end, it works out to be IMCs on Xeons and EE/XE, and nothing else. IMCs come in two flavours, possibly more if the moon is in the seventh house and Intel does something odd with the EE/XEs. Add in sockets aplenty, and you have Intel circa Q4/2008 and on. µ |
|
收藏
