Revision [1776]

Last edited on 2008-06-26 01:06:01 by WikiAdmin
Additions:
A side topic to this is how to interpret **free**. Linux uses spare memory to cache I/O operations. Using the above example, 535M is in use by application, 3433M is actually free. This seems to apply to kernel 2.4 only. Ref http://rimuhosting.com/howto/memory.jsp
Deletions:
A side topic to this is how to interpret **free**. Linux uses spare memory to cache I/O operations. Using the above example, 535M is in use by application, 3433M is actually free. This seems to apply to kernel 2.4 only.

Revision [1775]

Edited on 2008-06-26 01:00:07 by WikiAdmin
Additions:
total used free shared buffers cached
==Interpreting free==
A side topic to this is how to interpret **free**. Linux uses spare memory to cache I/O operations. Using the above example, 535M is in use by application, 3433M is actually free. This seems to apply to kernel 2.4 only.
total used free shared buffers cached
total used free shared buffers cached
Deletions:
total used free shared buffers cached
total used free shared buffers cached
total used free shared buffers cached

Revision [1187]

Edited on 2007-11-26 07:33:44 by WikiAdmin
Additions:
Mem: 3968 1008 2960 0 22 450
-/+ buffers/cache: 535 3433
Deletions:
# free
Mem: 4064140 858844 3205296 0 18356 392064
-/+ buffers/cache: 448424 3615716
Swap: 2000052 0 2000052

Revision [1186]

Edited on 2007-11-26 07:13:53 by WikiAdmin
Additions:
ramdisk_size=100000 ...boring... mem=4096m
Deletions:
ramdisk_size=100000 init=/etc/init lang=us apm=power-off vga=791 initrd=minirt.gz nomce loglevel=0 quiet BOOT_IMAGE=knoppix BOOT_IMAGE=linux mem=4096m

Revision [1185]

Edited on 2007-11-26 07:13:01 by WikiAdmin
Additions:
==Knoppix 5.1.1 2007-01-04 32bit, kernel 2.6.19==
Same
Mem: 3549 302 3247 0 8 152
-/+ buffers/cache: 141 3408
Swap: 0 0 0
I even passed the mem=4096m parameter to kernel, in vain
# cat /proc/cmdline
ramdisk_size=100000 init=/etc/init lang=us apm=power-off vga=791 initrd=minirt.gz nomce loglevel=0 quiet BOOT_IMAGE=knoppix BOOT_IMAGE=linux mem=4096m

Revision [1184]

Edited on 2007-11-26 07:03:53 by WikiAdmin
Additions:
Motherboard: Gigabyte P35-DS3L Bios F6 (Support up to 4G memory)
Memory: SuperTalent DDR2-800 CL4 1G x4
==Fedora Core7 64bit==
==Ubuntu 7.10 Desktop 32bit, kernel 2.6.22-14-generic==
Well.. only 3.5G even dmesg says PAE has been enabled & dmidecode sees all 4G of memory modules.
# free -m
Mem: 3546 605 2940 0 86 344
-/+ buffers/cache: 174 3371
Swap: 1953 0 1953
Deletions:
Motherboard: Gigabyte DS3L Bios F5a (Support up to 4G memory)
Memory: SuperTalent DDR2-800 CL4 1G x 4
==Linux 64bit==

Revision [1183]

Edited on 2007-11-26 06:34:45 by WikiAdmin
Additions:
BUT no surprises there, even with PAE enabled, Windows is only able to use 3.5G of memory. I guess I'm the lucky one already, some see even less than that.
Deletions:
BUT no surprises there, even with PAE enabled, Windows is only able to use 3.5G of memory.

Revision [1182]

Edited on 2007-11-26 06:24:28 by WikiAdmin
Additions:
msinfo32 was able to recognize all 4G of memory
OS Name Microsoft Windows XP Professional
Version 5.1.2600 Service Pack 2 Build 2600
Hardware Abstraction Layer Version = "5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)"
Total Physical Memory 4,096.00 MB
Available Physical Memory 2.71 GB
Total Virtual Memory 2.00 GB
Available Virtual Memory 1.96 GB
BUT no surprises there, even with PAE enabled, Windows is only able to use 3.5G of memory.
Deletions:
No surprises there, even with PAE enabled, Windows is only able to detect 3.5G of memory.

Revision [1181]

Edited on 2007-11-26 06:22:03 by WikiAdmin
Additions:
{{image src="images/xp_4g.png"}}
Deletions:
{{image src="/images/xp4g.png"}}

Revision [1180]

Edited on 2007-11-26 06:21:07 by WikiAdmin
Additions:
{{image src="/images/xp4g.png"}}
Deletions:
{{image src="images/xp4g.png"}}

Revision [1179]

Edited on 2007-11-26 06:20:50 by WikiAdmin
Additions:
{{image src="images/xp4g.png"}}
Deletions:
{{image src=images/xp4g.png"}}

Revision [1178]

Edited on 2007-11-26 06:20:38 by WikiAdmin
Additions:
Motherboard: Gigabyte DS3L Bios F5a (Support up to 4G memory)
Memory: SuperTalent DDR2-800 CL4 1G x 4
No surprises there, even with PAE enabled, Windows is only able to detect 3.5G of memory.
{{image src=images/xp4g.png"}}
Deletions:
Motherboard: Gigabyte DS3L (Support up to 4G memory)
Memory: SuperTalent DDR2-800 CL4

Revision [1177]

The oldest known version of this page was created on 2007-11-26 06:08:09 by WikiAdmin
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