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Old 05-21-2006, 10:30 PM   #1 (permalink)
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Default memory seen but not heard

Hola.

I'm having difficulties getting my pc to recognize the new memory I've added. It started out with one PC2100 512MB stick. I wanted to upgrade to 2GB (my system manual says it's upgradable to this), so to start out, I bought a stick of 1GB PC2100 DDR. There are two DIMM slots. The 512MB stick is recognized in the BIOS and in Windows XP when in slot 1. The 1GB is also recognized and working in slot 1. However, slot 2 will not recognize either stick. The weird thing is that, when I run AIDA32 system info utility, the SPD info shows both sticks present. However, physical memory is still only the 1GB stick. So the second slot is being recognized, but the memory there is not being used. I have also tried two 512MB sticks, with the same result -- both are seen, but only slot 1 is used. Help?

Thanks,
Amber

(Below is relevant sysinfo.)

Motherboard PCCHIPS M935DELR
Motherboard ID 62-0610-001131-00101111-040201-SiS650M935LRRelease 06/10/2002

CPU Type Intel Pentium 4A, 2000 MHz (5 x 400)

--------[Memory]------------------

Physical Memory:
Total 959 MB
Used 524 MB
Free 434 MB
Utilization 55 %

--------[SPD]-----------------------

[ 1 GB PC2100 DDR SDRAM ]

Memory Module Properties:
Module Size 1024 MB (2 rows, 4 banks)
Module Type Unbuffered
Memory Type DDR SDRAM
Memory Speed PC2100 (133 MHz)
Module Width 64 bit
Module Voltage SSTL 2.5
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh
Highest CAS Latency 2.5 (7.5 ns @ 133 MHz)
2nd Highest CAS Latency 2.0 (10.0 ns @ 100 MHz)

[ 512 MB PC2100 DDR SDRAM ]

Memory Module Properties:
Module Size 512 MB (2 rows, 4 banks)
Module Type Unbuffered
Memory Type DDR SDRAM
Memory Speed PC2100 (133 MHz)
Module Width 64 bit
Module Voltage SSTL 2.5
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh
Highest CAS Latency 2.5 (7.5 ns @ 133 MHz)
2nd Highest CAS Latency 2.0 (10.0 ns @ 100 MHz)
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Old 05-22-2006, 08:15 AM   #2 (permalink)
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do u have SP2? not sure if its relevant or not, but a lot of people have had hardware problems where getting SP2 was the solution.
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Old 05-22-2006, 12:34 PM   #3 (permalink)
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Quote:
Provides 2 DIMMs for PC133 SDRAM, 2 DDR DIMM for DDR333 SDRAM modules, and memory size is expand up to 2GB.
which one is yours from here
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Old 05-22-2006, 01:12 PM   #4 (permalink)
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It is none of those -- it is SiS650GL + SiS961. The DIMMs are most similar to the M925G (V8.0), which also has two SDRAM and two DDRAM slots.
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