Craig Skinner wrote:
Hi,
On Wed, 30 Nov 2016 17:09:13 +0100 butresin wrote:
On 16.11.29Tue 14:12, Craig Skinner wrote:
real mem = 200740864 (191MB)
avail mem = 184385536 (175MB)
...
spdmem0 at iic0 addr 0x50: 64MB SDRAM non-parity PC100CL3
spdmem1 at iic0 addr 0x51: 64MB SDRAM non-parity PC100CL3
spdmem2 at iic0 addr 0x52: 64MB SDRAM ECC PC100CL2
spdmem3 at iic0 addr 0x55: 1GB DDR2 SDRAM PC2-5000CL5
This is odd.
None of these IBM Pentium II machines have DDR memory installed.
I don't think it was invented in 1999. The 3 slots are old DIMM.
The other dmesg:
spdmem0 at iic0 addr 0x50: 128MB SDRAM non-parity PC100CL3
spdmem1 at iic0 addr 0x51: 64MB SDRAM non-parity PC100CL3
spdmem2 at iic0 addr 0x52: 64MB SDRAM non-parity PC100CL3
spdmem3 at iic0 addr 0x55: 448MB DDR2 SDRAM PC2-2500CL5
Another identical machine, but with only 2 DIMM slots filled:
spdmem0 at iic0 addr 0x50: 256MB SDRAM non-parity PC133CL2
spdmem1 at iic0 addr 0x51: 256MB SDRAM non-parity PC133CL2
spdmem2 at iic0 addr 0x55: 1GB DDR2 SDRAM PC2-6500CL5
Being an ordinary user, I dunno what that means, but the boxes run fine.
Cheers!
Looks like something is misinterpreting ID numbers form the EEPROM on
the memory modules. But I'd like to see what is physically there before
making a call on what is going wrong, if you have any photos of the
system's motherboard.
I'm thinking that perhaps the DDR2 modules might be for an integrated
graphics chips but are reporting as part of main memory for some reason.
Older systems like that were a mess and many times buses would be
wired together and whatever is attached to the IIC bus may be some
random peripheral that just happens to have an ID that was later re-used
for a DDR2 module.
