RAM question 2

[herrslime]

I am trying to upgrad e the RAM on an old Sony Vaio PCV90.

This machine takes RAM in pairs and has 2 banks. Maximum allowed RAM is 128MB using 4 - 32M.

According to Sony I cannot use gold plated SIMMs. I can find the memory but they are gold connectors. Spec says Parity SIMMs supported. The tin connector ones I find are non-parity. Specs follow below.

Any suggestions?

Requirements according to SONY:
++++++++++++
72 Pin
5 Volts
60 nanosecond (ns)
Extended Data Output (EDO) Dynamic Random Access Memory (DRAM)
Single or double-sided lead-tin coated edge connectors

NOTES:
Do not use SIMMs with gold edge connectors.
4MB, 8MB, 16MB, and 32MB SIMM modules are supported.
Parity SIMMs are supported
+++++++++++++++++

 

[micker377]

Sometimes the manufacturer uses memory slots that will corrode if the wrong memory contacts are used. Do a google search for memory and specify your computer. They will have what is available for your system. Good luck, that's why I have a collection of sticks to repair old computers. Yes, many people still use the older units!

 

[cdogg]

It does say "Parity SIMMs are supported", but that doesn't mean non-parity SIMMs aren't. Non-parity is just "regular" memory which is what every system supports.

If you need a reference, see this:

http://www.pcguide.com/ref/ram/err.htm

Just go with the tin connector non-parity option. You'll be fine.


~cdogg
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[DragonQ0105]

Non-Parity RAM is faster anyway.

I had a look at Crucial, and the only one they have is this:

http://www.crucial.com/store/PartSpecs.asp?imodule=CT8M32E2M6&cat=RAM

But, it's gold connectors again. I think you may be out of luck. Try eBay...

 

[fenix]

one other point is that it isn't so much that the WRONG metals are used, (gold, copper, silver etc.) it's the MISMATCH that causes problems, (dissimilar metal corrosion for lack of the more technical name). Copper with copper, gold with gold, etc. The card's contacts should be the same metal that is used in the slot.

 

[herrslime]

Thanks to all for your great input.