[Fwd: Re: [syslinux] etherboot 5.3.14 and pxelinux keyboard problem]

[Quinn]

Quinn wrote:

> I started debugging highmem.inc.  The 486 machine has 32 MB of 
> physical ram.  HighMemSize reports 15597568 bytes.  This sounds like 
> the old "Memory hole at 15-16MB" BIOS feature.  I checked the bios and 
> it did not have a way of turning it on or off.  I assume the hole is 
> enabled since HighMemSize reports that size.
>
> Also checked how the memory is detected.  Memtest-86 reports e820-std 
> and reports 32MB of RAM but highmem.inc reports ah88 standard and 
> reports only 15MB of RAM.
>
I did a quick test with memdisk on how ram is reported on the 486.  
Memdisk also reports memory using ah88 standard and reports the correct 
amount of memory of 32MB - "1588: 0x7660  15E801: 0x3c00 0x00e9"

Quinn