Re: [coreboot] Windows only seeing 2GB of 4G (Seabios

2016-07-04 Thread Naveed Ghori
- From: Naveed Ghori Sent: Wednesday, 8 June 2016 10:27 AM To: 'Nico Huber'; Zoran Stojsavljevic Cc: coreboot Subject: RE: [coreboot] Windows only seeing 2GB of 4G (Seabios Thanks Nico, What options should I be looking to tune? 3Gig should be fine as that is what I have seen in anoth

Re: [coreboot] Windows only seeing 2GB of 4G (Seabios

2016-06-08 Thread Nico Huber
On 08.06.2016 04:26, Naveed Ghori wrote: > Thanks Nico, > What options should I be looking to tune? 3Gig should be fine as that > is what I have seen in another product. > This depends heavily on the used hardware platform. I don't think all of them have an option in coreboot. But it might be just

Re: [coreboot] Windows only seeing 2GB of 4G (Seabios

2016-06-07 Thread Naveed Ghori
stalled and what is available. Regards, Naveed -Original Message- From: Nico Huber [mailto:nico.hu...@secunet.com] Sent: Tuesday, 7 June 2016 5:37 PM To: Naveed Ghori; Zoran Stojsavljevic Cc: coreboot Subject: Re: [coreboot] Windows only seeing 2GB of 4G (Seabios Hello Naveed, On 07.0

Re: [coreboot] Windows only seeing 2GB of 4G (Seabios

2016-06-07 Thread Zoran Stojsavljevic
Hello Nico, I'll add more to your answer, and ask community to review my thoughts since not sure if I am putting them correctly (what do I know?). Naveed, Usually, boot-loaders are linear. "Linear" term means that MMU (Memory Management Unit HW) is not used/even initialized with (any) boot-loade

Re: [coreboot] Windows only seeing 2GB of 4G (Seabios

2016-06-07 Thread Nico Huber
Hello Naveed, On 07.06.2016 07:21, Naveed Ghori wrote: > But I should still see 4GB without any patch. Right? no, I'm afraid not. > Windows only see 1.92GB as “Installed Memory (RAM)” in Control Panel->System. This is correct as the 4GiB address space is not only used for RAM but shared with othe

Re: [coreboot] Windows only seeing 2GB of 4G (Seabios

2016-06-06 Thread Naveed Ghori
ori Cc: coreboot Subject: Re: [coreboot] Windows only seeing 2GB of 4G (Seabios Hello Naveed, For you to read: https://en.wikipedia.org/wiki/Physical_Address_Extension Important: With PAE, IA-32<https://en.wikipedia.org/wiki/IA-32> architecture is augmented with additional address line

Re: [coreboot] Windows only seeing 2GB of 4G (Seabios

2016-06-06 Thread Zoran Stojsavljevic
Hello Naveed, For you to read: https://en.wikipedia.org/wiki/Physical_Address_Extension Important: With PAE, IA-32 architecture is augmented with additional address lines used to select the additional memory, so physical address size increases from 32 bits to

[coreboot] Windows only seeing 2GB of 4G (Seabios

2016-06-06 Thread Naveed Ghori
Hi all, I am booting a 32 bit Win 7 image (via Seabios). Windows is detecting only 1.92GB (even though there is 8GB of memory available. Being a 32 bit OS I would have expected it to see at least 4GB. Coreboot logs shows: Available memory below 4GB: 0x7ae0 (1966M) Available memory above 4GB: