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memory this is a real technical problem
i have 2 dell machines a sc1420 and a precision 490.... my problem is i bought a memory upgrade for my 490 and the memory wont fit .... it will fit in my 1420 but i get the beep codes no memory ... speed is the isue i think..... my problem is ... both machines are ddr2 ... so why wont the memory fit in my 490 .... i have gone to the crucial memory web site checked my 490 and it says ddr2 ... any help would be nice
There is more than 1 kind of DDR2 FULLY BUFFERED RAM is not compatible with UNBUFFERED RAM or Registered ECC RAM. The 1420 is a totally DIFFERENT Chipset.
Dell Precision Workstation 490 Memory
Maximum Memory 32GB
Memory Slots 8 Sockets
Chipset: Intel 5000X Chipset
Memory Speed options: PC2-4200 DDR2-533 240pin Fully Buffered SDRAM DIMM
The 1420 uses Single-Rank PC2-4200 ECC Registered DDR2 DIMM Memory
Jesse L (retired)
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Posted September 16th, 2011 07:00
louieuk,
Thank you for using the Dell Community Forum.
Below are the memory specs for the Inspiron 1420 and also the Precision 490.
Inspiron 1420
Memory module connectors Two SODIMM connectors
Memory module capacities 512 MB, 1 GB, and 2 GB
Memory type 667 MHz SoDIMM DDR2
Minimum memory 512 MB (APJ only) 1 GB (all other regions)
Maximum memory 4 GB
Precision 490
Memory
Type
NOTICE: Full-length heat spreaders (FLHS) are required for 667-MHz DIMMs.
533- and 667-MHz Fully Buffered DDR2 SDRAM (Fully Buffered DIMMs or FBDs)
Memory connectors
8
Memory capacities
512-MB or 1-, 2-, or 4-GB ECC
Minimum memory
1 GB
Maximum memory
32 GB
BIOS address
F0000h
Jesse L (retired)