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27th November 2008, 08:29 PM
|  | Security Team | | Join Date: Dec 2007, 2,555 posts. Location: Tulsa, OK Reputation:  | | | Need RDRAM
Authors note: - I am fluent in Google, eBay etc.
- I know it isn't made anymore.
More info. here > New RAM advice please - Computer Juice - Forums
I have inherited a partially restored Dell Optiplex GX2 and am now trying to get it to speed up a bit. Its running XP Pro but only has 128MB of ram and 114 of it being used so it's obviously slow.
Getting this RAM is relatively easy but compared to current prices for a new stick this stuff is gold. I have also learned that the odd looking stick I describe in the above link is just a blank to fill in the slot.
By chance does anyone have a 512 (or more) stick of this stuff around that you won't charge me a fortune for?
From what I have been told I think I need either:
PC700: 16-bit, single channel RIMM, specified to operate at 355 MHz clock rate, 1420 MB/s bandwidth
PC800: 16-bit, single channel RIMM, specified to operate at 400 MHz clock rate, 1600 MB/s bandwidth
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29th November 2008, 12:14 AM
|  | TST Member | | Join Date: Aug 2008, 105 posts. Location: Island of Misfit Toys Reputation: | | |
Wishing you good hunting in your quest EF! RDRAM is such a pain in the pocket.
never had a chance dealing with it.
__________________
"You cant drink the oil when the water is gone"
Peruvian Shaman
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29th November 2008, 01:39 AM
| | Security Team | | Join Date: Dec 2007, 2,555 posts. Location: Tulsa, OK Reputation: | | |
I'm going to have to buy some eventually. The computer does OK as is. I just can't really do 2 things at once.
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29th November 2008, 09:58 PM
|  | TST Oracle | | Join Date: Dec 2007, 8,001 posts. Location: Market Haemorrhoids, Middle England Reputation: | | |
Had a grope round the parts box and find I have two:
Samsung 256Mb/16 ECC KMMR18R8GAC1-RK7 711-45 100
and
Infineon HYR163220G-845 A1S1051800401 64Mb 800-45
No sleepers - threw then all out I think.
Any use?
__________________ Confuse and Prosper. |
29th November 2008, 10:50 PM
| | Security Team | | Join Date: Dec 2007, 2,555 posts. Location: Tulsa, OK Reputation: | | |
I'll give it a closer look later. It sounds like it would, but I'm pretty n00bish when it comes to hardware.
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30th November 2008, 08:01 PM
| | Security Team | | Join Date: Dec 2007, 2,555 posts. Location: Tulsa, OK Reputation: | |
I found a neat little tool that I think identifies what is in there a little better. |MG| PC Wizard 2008.1.871
Manufacturer : Toshiba
Part Number : THMR1N8-7
Serial Number : 021AB102
Type : RDRAM PC-714 (357 MHz)
Format : RIMM
Size : 128 MB
Protocol : v1
tRAS-R : 20 clocks
tRCD-R : 8 clocks
Number of banks : 32 - SPT, DBL
Devices : 8
Manufacture : Week 44 of 1900
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8th January 2009, 05:52 PM
| | Security Team | | Join Date: Dec 2007, 2,555 posts. Location: Tulsa, OK Reputation: | | |
OK so I have a couple of 128MB PC800 sticks, which are supposed to be compatible. Put them in and start the computer. Sounds like it is starting up fine but doesn't do anything. Other then the normal sound of an idle PC.
Any suggestions?
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8th January 2009, 05:54 PM
| | TST Oracle | | Join Date: Dec 2007, 8,001 posts. Location: Market Haemorrhoids, Middle England Reputation: | | |
What happens if you boot with no RAM or sleepers installed? Do you get the usual error beeps?
__________________ Confuse and Prosper. |
8th January 2009, 05:56 PM
| | Security Team | | Join Date: Dec 2007, 2,555 posts. Location: Tulsa, OK Reputation: | | |
Give me a minute to remove them and start up. I'm using the computer now.
BRB.
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8th January 2009, 05:58 PM
| | TST Oracle | | Join Date: Dec 2007, 8,001 posts. Location: Market Haemorrhoids, Middle England Reputation: | | |
Ah - so it runs on other memory sticks! Must mean that the speed is wrong I think. Can you see what the specs are for the working memory as against the not working memory??
__________________ Confuse and Prosper. |
8th January 2009, 06:11 PM
| | Security Team | | Join Date: Dec 2007, 2,555 posts. Location: Tulsa, OK Reputation: | | |
Startup with no RAM produced plenty of beeps.
How do I determine speed?
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22nd January 2009, 02:31 AM
|  | Modding Expert | | Join Date: Dec 2007, 848 posts. Location: Northern Ontario, Canada Reputation: | | |
EF,
RDRAM runs on completely different configuration than rest of memories.
If you are running on one stick of RDRAM, you need to put in the RDRAM blank in so it will work wiith a single or two sticks of memories. Do you have more than two slots available?
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22nd January 2009, 02:40 AM
| | Security Team | | Join Date: Dec 2007, 2,555 posts. Location: Tulsa, OK Reputation: | | |
Only two slots. It works fine with the stick it came with and the blank. But if I try either of the two other sticks, in any order, it doesn't work.
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22nd January 2009, 01:49 PM
|  | Newcomer | | Join Date: Jan 2009, 43 posts. Location: Western, Ma., USA Reputation: | | |
I had a HP that used RDRAM, if memory serves me right I had to use identical pairs. $$$$$$$
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22nd January 2009, 04:29 PM
| | Security Team | | Join Date: Dec 2007, 2,555 posts. Location: Tulsa, OK Reputation: | | |
It's an identical pair.
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