| 1 |
One of my machines smoked last week so when tearing it apart for spare |
| 2 |
parts I noticed the the PC2700 CL 2.5 memory is what my wife's machine |
| 3 |
uses and she had only 512MB so I took the opportunity to throw in a |
| 4 |
couple of DIMMs. When I boot Linux (and I'm writing this from Linux |
| 5 |
running the new memory so the machine works) top reports only about |
| 6 |
900MB while BIOS itself says 2GB. I fired up memtest86 and it reports |
| 7 |
2GB. It's been running memory tests for a couple of hours now with no |
| 8 |
problems so it seems like it should work. |
| 9 |
|
| 10 |
Is there anything in the kernel config that would stop a 2.6.32-gentoo |
| 11 |
kernel from seeing all the memory? |
| 12 |
|
| 13 |
I have double checked that the memory does seem to be seated well in |
| 14 |
the DIMM sockets. |
| 15 |
|
| 16 |
The box is an old eMachines thing that has no support and so far I |
| 17 |
can't find any BIOS updates. |
| 18 |
|
| 19 |
How does memory get reported up to the kernel? Is that something in |
| 20 |
the kernel (i.e. - choosing the proper chipset support or something) |
| 21 |
or is it purely the return from some sort of BIOS call? If so can it |
| 22 |
be tested or circumvented to get the machine to recognize everything |
| 23 |
I've put in? |
| 24 |
|
| 25 |
Thanks, |
| 26 |
Mark |
| 27 |
|
| 28 |
|
| 29 |
mark@dragonfly ~ $ cat /proc/meminfo |
| 30 |
MemTotal: 904312 kB |
| 31 |
MemFree: 569140 kB |
| 32 |
Buffers: 12084 kB |
| 33 |
Cached: 161656 kB |
| 34 |
SwapCached: 0 kB |
| 35 |
Active: 170828 kB |
| 36 |
Inactive: 130708 kB |
| 37 |
Active(anon): 130084 kB |
| 38 |
Inactive(anon): 0 kB |
| 39 |
Active(file): 40744 kB |
| 40 |
Inactive(file): 130708 kB |
| 41 |
Unevictable: 0 kB |
| 42 |
Mlocked: 0 kB |
| 43 |
SwapTotal: 1052216 kB |
| 44 |
SwapFree: 1052216 kB |
| 45 |
Dirty: 32 kB |
| 46 |
Writeback: 0 kB |
| 47 |
AnonPages: 127804 kB |
| 48 |
Mapped: 46652 kB |
| 49 |
Shmem: 2288 kB |
| 50 |
Slab: 15444 kB |
| 51 |
SReclaimable: 7140 kB |
| 52 |
SUnreclaim: 8304 kB |
| 53 |
KernelStack: 1328 kB |
| 54 |
PageTables: 1484 kB |
| 55 |
NFS_Unstable: 0 kB |
| 56 |
Bounce: 0 kB |
| 57 |
WritebackTmp: 0 kB |
| 58 |
CommitLimit: 1504372 kB |
| 59 |
Committed_AS: 416504 kB |
| 60 |
VmallocTotal: 122880 kB |
| 61 |
VmallocUsed: 44728 kB |
| 62 |
VmallocChunk: 66616 kB |
| 63 |
DirectMap4k: 15932 kB |
| 64 |
DirectMap4M: 901120 kB |
| 65 |
mark@dragonfly ~ $ |
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