factory bios 00:1f.0 ISA bridge: Intel Corp. 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge (rev 02) 00: 86 80 c0 24 0f 01 80 02 02 00 01 06 00 00 80 00 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40: 01 04 00 00 10 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 01 05 00 00 10 00 00 00 60: 07 0b 09 05 d0 00 00 00 0b 80 80 0a 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: ff fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 20 02 00 00 01 00 00 00 0d 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 08 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 86 21 00 00 02 09 00 00 04 00 00 00 00 00 00 00 e0: 10 00 00 80 00 00 8f 34 33 22 11 00 00 00 67 45 f0: 00 00 40 00 00 00 00 00 60 0f 02 00 00 00 81 02 [root@localhost ~]# cat /proc/mtrr reg00: base=0x07800000 ( 120MB), size= 8MB: uncachable, count=1 reg01: base=0x00000000 ( 0MB), size= 128MB: write-back, count=1 reg02: base=0xf0000000 (3840MB), size= 128MB: write-combining, count=3 coreboot 00:1f.0 ISA bridge: Intel Corporation 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge (rev 02) 00: 86 80 c0 24 0f 00 80 02 02 00 01 06 00 00 80 00 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40: 01 04 00 00 10 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 01 05 00 00 10 00 00 00 60: 03 05 06 07 90 00 00 00 09 0a 0b 0c 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: ff fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 02 00 00 02 00 00 00 0d 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 86 21 00 00 02 0f 00 00 04 00 00 00 00 00 00 00 e0: 10 00 00 ff 00 00 0f 30 33 22 11 00 00 00 67 45 f0: 0f 00 00 00 00 00 00 00 60 0f 02 00 00 00 01 00 [root@localhost ~]# cat /proc/mtrr reg00: base=0x00000000 ( 0MB), size= 64MB: write-back, count=1 reg01: base=0x04000000 ( 64MB), size= 32MB: write-back, count=1 reg02: base=0x06000000 ( 96MB), size= 16MB: write-back, count=1 reg03: base=0x07000000 ( 112MB), size= 8MB: write-back, count=1