You think maybe we should make a LinuxBIOS DDR module. We could call our Megabyte image the "Top of Memory Ron Hole" ... the Ron Rom ;-)
... be identified as the worlds most persistent virus :o) ----- Original Message ----- >From: <[EMAIL PROTECTED]>, <Eric W. Biederman> >To: "LinuxBIOS" <[EMAIL PROTECTED]> >Subject: LPC ROMS... >Date: Thu, 14 Feb 2002 17:43:49 -0700 > > > On standard PCs it looks like adoption of the LPC bus is growing. > When the LPC bus is present there are currently two ROM standards. > 1) Intel 8xx chipsets support intel firmware hubs. > Intel & SST make compatible parts, and these go up in size to 1Mx8. > Given that this is pretty intel specific and roms exist that do > not need special support I suspect eventually firmware hubs > will disappear. > 2) LPC roms. > Currently these are small devices 256Kx8. And it looks like > it will be that way for a while. Their address on the LPC bus > is hard coded but there are plenty of extra pins in a standard > 32bit PLCC package to allow the ROM address to be selectable. > > So for the short term the 256KB limit on rom sizes remains important > to handle. In the long term with the adoption of the LPC bus there is > no technical reason why rom chips must be small. > > Since we have to suffer the pain of getting a small bootloader built > up there is one advantage to recall. Flash chips are _slow_ so the > smaller the bootloader the less we have to read from the flash chip, > the faster we will go :) > > Eric >
