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Old 30-12-2006, 03:19 PM   #1
Grinder
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As I mentioned in the other thread, I want to try and build a DOS rig. I still have some RAM that should be perfectly working lying around. Now, I need to identify it. If anyone knows some stuff about RAM or has similar RAM, please help. What I need is brand, type and, if possible, size.




<div align="center">First up: the blue kind.

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Then, we have this EDO thing.

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Another EDO one

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Then, some ordinary RAM

<div align="center">front</div>



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And some more ordinary RAM

<div align="center">front</div>



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ANY help is greatly appreciated.
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Old 02-01-2007, 10:28 AM   #2
The Fifth Horseman
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The blue stick looks like DIMM SDRAM to me - the very same thing as the bottom one, though apparently from a different manufacturer.

The EDOs are a very good thing - more about them on Wikipedia and Tom's Hardware. It seems you have two 8-meg pieces (from my own experience, one chip on an EDO bar = 2 MB).
They fit into standard 72-pin SIMM slots (unless we're talking about a very old mainboard). Wicked sick for building oldschool machines.

The fourth one is normal SIMM chip aka FPM memory... nothing special about it, really. From the look of things, it's an 8-meg piece.
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Old 03-01-2007, 03:07 PM   #3
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Thanks for your help! Those EDOs might very well be 8MB. I know there should be 2 sticks of 32MB among them (I had a 64MB Compaq), but those 8MBs would be perfect.
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Old 03-01-2007, 03:37 PM   #4
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EDOs are perfect for building a DOS machine, since they're largely supported from older motherboards which satisfy the DOS standards.
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Old 12-01-2007, 08:22 AM   #5
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You can enter the part number from a single chip into google and try to find the exact specs. If you know the size of one chip you can multiply this by 8 or 16.
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Old 20-02-2007, 11:32 AM   #6
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You could also try asking the Compaq division of Hewlett Packard for help. They have been quite helpful with some of my problems. A USB hard drive that keeps disappearing on me. Seems it's actually a WinXP incompatibility with a third party hard drive case to use an internal drive as a USB drive. The manufacturer of the case can't do anything about it either.
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