Yes please. Also, can we haz ECC?
Why are you trying to bankrupt Intel??? Without being able to charge 5x as much for Xeons for ECC support, why would anyone ever pony up for one?
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LPCAMM2 is a modular, repairable, upgradeable memory standard for laptops
161–170 of 171 posts
Re: LPCAMM2 is a modular, repairable, upgradeable memory standard for laptops
#162Earlier quoted context omitted.
The form factor isn't great for being a vendor-neutral thing. If we can convince the companies to actually try for compatibility, then a revival of MXM is probably a significantly better option.
MXM was problematic because the inflexibility of the form factor to upgrade a given system. If your laptop size, power and cooling was designed for a gtx1030 you couldn't replace it with a gtx1080 module. In framework's case, the cooling is integrated in the gpu module, and both it's size, cooling and power deliver can be adjusted depending on the gpu power.
I don't mind having a wattage limit on the slot. That's easy to factor into purchasing decisions. The much bigger issues are how custom each kind was, with very limited competition on individual modules and a big conflict of interest in wanting to sell you a new laptop.
A friend of mine was betrayed on this by MSI, where laptops with GTX 900 series GPUs were promised upgrades and then when the 1000 series came out they didn't offer any. I think they did make weak excuses about power use, but a 1060 would have fit within the power budget fine and been an enormous upgrade. A few people have even gotten 1060 modules to work with BIOS edits, so it wasn't some other incompatibility. It seems like they saw they couldn't offer a 1080 and threw out the entire project and promise, and then offered a mild discount on a brand new laptop, no other recourse.
Re: LPCAMM2 is a modular, repairable, upgradeable memory standard for laptops
#163Earlier quoted context omitted.
Only recently. It started out as soldered to the main board.
No, it started out as chips in sockets. I (dimly) remember upgrading my II+, I think from 32kb to 48kb? A lot has changed.
EEPROM like DIP packaging where it was damn near impossible to pull without bending a pin and/or smacking your hand on something?
God forbid someone steps on it too, I think I might still have some scars on my feet.
Re: LPCAMM2 is a modular, repairable, upgradeable memory standard for laptops
#164Re: LPCAMM2 is a modular, repairable, upgradeable memory standard for laptops
#165Earlier quoted context omitted.
Apple's RAM is not soldered to the _motherboard_, it's part of the SoC package.
Only recently. It started out as soldered to the main board.
M1 Macs started shipping in late 2020, so, for some definitions of "recently", sure.
It's true for any laptops that can be reasonably described as having a "SoC" and not CPU, anyway.
(I guess you could be extremely pedantic and try to argue that T2 counted as SoC? But clearly not what I meant.)
Re: LPCAMM2 is a modular, repairable, upgradeable memory standard for laptops
#166Earlier quoted context omitted.
No, it started out as chips in sockets. I (dimly) remember upgrading my II+, I think from 32kb to 48kb? A lot has changed.
EEPROM like DIP packaging where it was damn near impossible to pull without bending a pin and/or smacking your hand on something? God forbid someone steps on it too, I think I might still have some scars on my feet.
And remember how the pins were a little too wide, so as to ensure tension against the socket, so you had to put one side in and apply pressure to get the other side? How many chips did I just fold over or bend even just inserting? Many.
Re: LPCAMM2 is a modular, repairable, upgradeable memory standard for laptops
#167Earlier quoted context omitted.
I'd wager for most consumers capacity is more important than bandwidth and the power losses are going to be small compared to the rest of the stack.
> power losses are going to be small compared to the rest of the stack While certainly not the largest losses, they do not appear insignificant. In LPDDDR4 they introduced[1] a new low-voltage signalling, which I doubt they could have gotten working with SODIMMs due to the extra parasitics. If you look at this[2] presentation you can see that at 3200MHz a DDR4 SODIMM would consume around 2 x 16 x 4 x 6.5mW x 3.2GHz =…
1 watt is exactly what I am saying is almost inconsequential. People leave charger bricks plugged in all day and the lights on.
Re: LPCAMM2 is a modular, repairable, upgradeable memory standard for laptops
#168Earlier quoted context omitted.
EEPROM like DIP packaging where it was damn near impossible to pull without bending a pin and/or smacking your hand on something? God forbid someone steps on it too, I think I might still have some scars on my feet.
And remember how the pins were a little too wide, so as to ensure tension against the socket, so you had to put one side in and apply pressure to get the other side? How many chips did I just fold over or bend even just inserting? Many.
Nightmare material.
Re: LPCAMM2 is a modular, repairable, upgradeable memory standard for laptops
#169Earlier quoted context omitted.
> power losses are going to be small compared to the rest of the stack While certainly not the largest losses, they do not appear insignificant. In LPDDDR4 they introduced[1] a new low-voltage signalling, which I doubt they could have gotten working with SODIMMs due to the extra parasitics. If you look at this[2] presentation you can see that at 3200MHz a DDR4 SODIMM would consume around 2 x 16 x 4 x 6.5mW x 3.2GHz =…
1 watt is exactly what I am saying is almost inconsequential. People leave charger bricks plugged in all day and the lights on.
And this line of thinking is exactly why we can't have M1 Macbook levels of battery life on Windows laptops. Believe it or not but a lot of people like to be able to have a light device they can just take without a charger and use for a solid day or 2 of work.
Re: LPCAMM2 is a modular, repairable, upgradeable memory standard for laptops
#170Earlier quoted context omitted.
1 watt is exactly what I am saying is almost inconsequential. People leave charger bricks plugged in all day and the lights on.
And this line of thinking is exactly why we can't have M1 Macbook levels of battery life on Windows laptops. Believe it or not but a lot of people like to be able to have a light device they can just take without a charger and use for a solid day or 2 of work.
There are windows laptops that can do this already though with a sodimm slot no less