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Author Topic: Tektronix TDS7104 Anyone upgraded CPU board  (Read 2597 times)

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Offline Johnny10Topic starter

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Tektronix TDS7104 Anyone upgraded CPU board
« on: January 15, 2018, 07:30:04 pm »
I have been reading different posts on this subject and after upgrading RAM on my BLX440 based TDS7104.
And realizing only 256MB RAM can be seen...

Does upgrading to the Radisys NLX board make any sense?

I have been reading through Tin's page on TDS7404 but wow you need to spend a few hours and take notes! So much information.





« Last Edit: January 15, 2018, 09:22:20 pm by Johnny10 »
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Offline Jwalling

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Re: Tektronix TDS7104 Anyone upgraded CPU board
« Reply #1 on: January 16, 2018, 11:45:51 am »
You can upgrade the memory to 512MB. You must use 256MB double sided DIMMs, though.
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Offline Johnny10Topic starter

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Re: Tektronix TDS7104 Anyone upgraded CPU board
« Reply #2 on: January 16, 2018, 01:07:20 pm »
Do you happen to have a part number on double sided SIMM?

I purchased 3- 256MB PC100 sticks. But they still show only 256MB total when installed.
Reading the manual on BL440X Board it states 256MB maximum.


During research I see you have quite a bit of experience with the TDS 7000 series.

Thank you for your input.

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Offline Jwalling

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Re: Tektronix TDS7104 Anyone upgraded CPU board
« Reply #3 on: January 16, 2018, 02:10:13 pm »
Quote from: Johnny10 on January 16, 2018, 01:07:20 pm
Do you happen to have a part number on double sided SIMM?

I purchased 3- 256MB PC100 sticks. But they still show only 256MB total when installed.
Reading the manual on BL440X Board it states 256MB maximum.


During research I see you have quite a bit of experience with the TDS 7000 series.

Thank you for your input.

Like this one: https://www.ebay.com/itm/222797056326?
Note that there's 16 chips, 8 on each side.
What manual are you looking at - have a link?
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Offline Johnny10Topic starter

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Re: Tektronix TDS7104 Anyone upgraded CPU board
« Reply #4 on: January 16, 2018, 02:19:49 pm »
Intel BL440zx.zip
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Offline Jwalling

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Re: Tektronix TDS7104 Anyone upgraded CPU board
« Reply #5 on: January 16, 2018, 02:29:21 pm »
Quote from: Johnny10 on January 16, 2018, 02:19:49 pm
Intel BL440zx.zip

The NLX board in your scope is based on the 440BX chipset, not the ZX! Let me see If I have the right manual in a bit...
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Offline Jwalling

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Re: Tektronix TDS7104 Anyone upgraded CPU board
« Reply #6 on: January 16, 2018, 03:08:32 pm »
I stand corrected. Funny how something you've assumed for so long turns out to be wrong.  |O Sorry 'bout that!
Currently working on this TDS7104, it has the ZX chipset and supports 512MB of ram.
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Offline Johnny10Topic starter

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Re: Tektronix TDS7104 Anyone upgraded CPU board
« Reply #7 on: January 16, 2018, 04:49:16 pm »
Looks similar to mine.
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Offline Jwalling

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Re: Tektronix TDS7104 Anyone upgraded CPU board
« Reply #8 on: January 16, 2018, 04:54:36 pm »
Quote from: Johnny10 on January 16, 2018, 04:49:16 pm
Looks similar to mine.

OK, are your 256MB DIMMs double-sided like mine?
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Offline Johnny10Topic starter

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Re: Tektronix TDS7104 Anyone upgraded CPU board
« Reply #9 on: January 16, 2018, 05:03:25 pm »
Yes they are double sided.

I did have another set...

Pictured on top 2 sticks together make 512MB

Bottom stick M14N3264 just makes 256MB Single or Two together


So now I have 512MB in one of my scopes.
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