Re: why some memory are missing

On 1/8/23 17:36, hede wrote: I'm pretty sure it can address 2^32 bit aka 4 GB. But within this range there is the PCI address space.  PCI cards are memory mapped. To access memory regions on PCI devices you can simply access main memory. But you cannot access PCI devices AND use full 4 GB

Re: why some memory are missing

Am 08.01.2023 00:30, schrieb Jeremy Hendricks: I imagine it’s a bios limitation and it cannot address the full 4GB even though it’s a 64bit CPU. This was common with the Intel 925/945 chipsets even through they supported Intel 64bit CPUs of the time. I'm pretty sure it can address 2^32 bit aka

Re: why some memory are missing

No problem. It was very common “back in my day” On Sat, Jan 7, 2023 at 7:10 PM lsg wrote: > > On 1/8/23 07:30, Jeremy Hendricks wrote: > > I imagine it’s a bios limitation and it cannot address the full 4GB even > though it’s a 64bit CPU. This was common with the Intel 925/945 chipsets > even

Re: why some memory are missing

On 1/8/23 07:30, Jeremy Hendricks wrote: I imagine it’s a bios limitation and it cannot address the full 4GB even though it’s a 64bit CPU. This was common with the Intel 925/945 chipsets even through they supported Intel 64bit CPUs of the time. Thank Jeremy Hendricks! it seems to me

Re: why some memory are missing

I imagine it’s a bios limitation and it cannot address the full 4GB even though it’s a 64bit CPU. This was common with the Intel 925/945 chipsets even through they supported Intel 64bit CPUs of the time. On Sat, Jan 7, 2023 at 6:08 PM lsg wrote: > Thank Greg Wooledge! > > i've tried bullseye

Re: why some memory are missing

Thank Greg Wooledge! i've tried bullseye for amd64, it doesn't help memtest86+ claims it can test all memory

Re: why some memory are missing

On Sun, Jan 08, 2023 at 06:49:01AM +0800, lsg wrote: > i have hp dx5150, running buster > > bios shows 4G memory, but in buster, top shows 3282.8M Google gives me which says HP's DX5150 comes in a variety of configurations. The base model ships with a

why some memory are missing

i have hp dx5150, running buster bios shows 4G memory, but in buster, top shows 3282.8M i have independent graphics card, memory isn't shared i think i have tried bullseye for amd, it doesn't show 4G either memtest86+ shows about 3G memory hp guide says "The memory available may be limited