ML115のメモリーを6Gに変更(2Gx2)を追加してみた。
こんなに使わんだろう・・・無駄にも程があるorz
ついでにRadeon X600のメモリーマップも調べてみた。
$ cat /proc/iomem
00000000-0009fbff : System RAM
00000000-00000000 : Crash kernel
0009fc00-0009ffff : reserved
000e0000-000fffff : reserved
00100000-defeffff : System RAM
00200000-004388ab : Kernel code
004388ac-0055fe9f : Kernel data
04000000-07ffffff : GART
deff0000-deffdfff : ACPI Tables
deffe000-deffffff : ACPI Non-volatile Storage
df000000-dfffffff : PCI Bus #05
e0000000-efffffff : pnp 00:0a
f0000000-f7ffffff : PCI Bus #07
f0000000-f7ffffff : 0000:07:00.0
fcfbb000-fcfbbfff : 0000:00:05.2
fcfbb000-fcfbbfff : sata_nv
fcfbc000-fcfbcfff : 0000:00:05.1
fcfbc000-fcfbcfff : sata_nv
fcfbd000-fcfbdfff : 0000:00:05.0
fcfbd000-fcfbdfff : sata_nv
fcfbec00-fcfbecff : 0000:00:02.1
fcfbec00-fcfbecff : ehci_hcd
fcfbf000-fcfbffff : 0000:00:02.0
fcfbf000-fcfbffff : ohci_hcd
fcfc0000-fcffffff : pnp 00:06
fd000000-fddfffff : PCI Bus #05
fde00000-fdefffff : PCI Bus #06
fdef0000-fdefffff : 0000:06:00.0
fdef0000-fdefffff : tg3
fdf00000-fdffffff : PCI Bus #07
fdfc0000-fdfdffff : 0000:07:00.0
fdfe0000-fdfeffff : 0000:07:00.1
fdff0000-fdffffff : 0000:07:00.0
fec00000-fec00fff : IOAPIC 0
fec00000-fec00fff : reserved
fee00000-fee00fff : Local APIC
fee01000-feefffff : pnp 00:06
ff780000-ffffffff : reserved
100000000-1a0ffffff : System RAM
$ lspci -v
07:00.0 VGA compatible controller: ATI Technologies Inc RV380 [Radeon X600 (PCIE)] (prog-if 00 [VGA])
Subsystem: ATI Technologies Inc Unknown device 0f02
Flags: bus master, fast devsel, latency 0, IRQ 18
Memory at f0000000 (64-bit, prefetchable) [size=128M]
Memory at fdff0000 (64-bit, non-prefetchable) [size=64K]
I/O ports at e000 [size=256]
Expansion ROM at fdfc0000 [disabled] [size=128K]
Capabilities:
07:00.1 Display controller: ATI Technologies Inc RV380 [Radeon X600]
Subsystem: ATI Technologies Inc Unknown device 0f03
Flags: bus master, fast devsel, latency 0
Memory at fdfe0000 (64-bit, non-prefetchable) [size=64K]
Capabilities:

0