thanks a lot for helping all the way see inline
--- Jim Nelson <[EMAIL PROTECTED]> wrote: > Ankit Jain wrote: > > >hi > > > >http://www.xml.com/ldd/chapter/book/ch02.html > > > > 00000000-0009fbff : System RAM > > 0009fc00-0009ffff : reserved > > 000a0000-000bffff : Video RAM area > > 000c0000-000c7fff : Video ROM > > 000f0000-000fffff : System ROM > > 00100000-03feffff : System RAM > > 00100000-0022c557 : Kernel code > > 0022c558-0024455f : Kernel data > > 20000000-2fffffff : Intel Corporation 440BX/ZX - > >82443BX/ZX Host bridge > > 68000000-68000fff : Texas Instruments PCI1225 > > 68001000-68001fff : Texas Instruments PCI1225 (#2) > > e0000000-e3ffffff : PCI Bus #01 > > e4000000-e7ffffff : PCI Bus #01 > > e4000000-e4ffffff : ATI Technologies Inc 3D Rage > LT > >Pro AGP-133 > > e6000000-e6000fff : ATI Technologies Inc 3D Rage > LT > >Pro AGP-133 > > fffc0000-ffffffff : reserved > >what is it reserved for? > > > >if somebody can explin me this: > > > >"Once again, the values shown are hexadecimal > ranges, > >and the string after the colon is the name of the > >"owner" of the I/O region. " > > > > > > > > What you are seeing is the remapped I/O space for > various components in > your computer. During bootup, the kernel scans the > various buses and > identifies various devices. Each driver remaps the > I/O space for PCI > devices - "they are physical addresses in that those > memory addresses do > map to real devices, but they are not real memory > addresses." what do u mean by this? they are physical address but not the real memory address? what do u mean by physical address then? > > IIRC, the "reserved" area is the remapped kernel > address space - they > set it up to remap to the top of the 32-bit memory > address range in > order to allow hard-coded function calls - it is > faster to hard-code the > function calls than to maintain symbol tables. what is hard coded funtion calls? is it something like stting the pointer to starting location? > I see this computer is a laptop - now I understand > why you are reluctant > to upgrade the RAM. what tells that this is a laptop? > >thanks > > > >ankit > > > > > > ________________________________________________________________________ Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now http://uk.messenger.yahoo.com/download/index.html - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs
