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Author Topic: 68040 proccesors for 040 accelerator cards  (Read 2749 times)

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Offline GavilanTopic starter

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68040 proccesors for 040 accelerator cards
« on: June 11, 2009, 06:02:52 PM »
Friends: i have chance of getting a lot of proccessors for 040 cards. Just to be 100% sure, which ones are good?
I have been offered this 2 models: XC68LC040RC33B and XC68LC040REC25B.

Please enlighten me!!

Cheers!
Sebastian
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Offline meega

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Re: 68040 proccesors for 040 accelerator cards
« Reply #1 on: June 11, 2009, 06:06:02 PM »
If at all possible you don't want XC processors.
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Offline ElPolloDiabl

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Re: 68040 proccesors for 040 accelerator cards
« Reply #2 on: June 11, 2009, 06:09:30 PM »
Is it XC for recycled/recovered? LC for no FPU present/functional?
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Offline Christian Johansson

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Re: 68040 proccesors for 040 accelerator cards
« Reply #3 on: June 11, 2009, 06:10:04 PM »
"The char before C can be X or M, XC means that it is an early "batch", and MC that it's a later, this is not very much to care about.

The ** after 68 is how the CPU is equipped, a "full" 68040/68060 do not have any chars here, it says "68040" or "68060", if it says LC it missing the internal FPU, and if it says EC it misses BOTH the FPU and MMU, EC means "Embedded Controller" (and NOT EConomy) and it's built for Embedded applications."

Info taken from http://www.canit.se/~glenn/apollo.html
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Offline meega

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Re: 68040 proccesors for 040 accelerator cards
« Reply #4 on: June 11, 2009, 06:14:06 PM »
@fanscale

As I understand things, no - XC is an initial release of any version and may contain hard/firmware bugs, and they often run quite hot. The "proper" releases have MC markings, in order to receive that all known bugs must be fixed and they usually run cooler. I gather that the MC does actually stand for "Military Certified" ;)
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Offline RMK305

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Re: 68040 proccesors for 040 accelerator cards
« Reply #5 on: June 11, 2009, 09:07:16 PM »
What does RC after the 68040 or 68060 stand for?
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Offline rkauer

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Re: 68040 proccesors for 040 accelerator cards
« Reply #6 on: June 11, 2009, 09:13:38 PM »
Both Meega and fryguy are right.

 MC68040 is cool even when running at "insane" 50MHz, but they are rare as rocking horse poo.

 XC68040 is the "fry an egg" version. No internal bugs, just runs too much warm, ence the necessicity of a heatsink and fan.

 Oh, and EC and LC versions are not desirable at all!
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Offline delshay

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Re: 68040 proccesors for 040 accelerator cards
« Reply #7 on: June 11, 2009, 10:08:25 PM »
it must be someone lucky day,im going to throw out 6x 68040 & 2 x 68060  i think one or two dont work but it's for free..

the first person to pm me with a postal address will recive the above processors.

im not going to go though lots of emails im just going to pick the one at the top as i don't have time.

all processor are desoldered.
 
will post with-in seven days.(uk only)


UPDATE: all processor have now gone to someone in this thread please do not send any more email.
« Last Edit: June 12, 2009, 06:58:52 PM by delshay »
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Offline alexh

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Re: 68040 proccesors for 040 accelerator cards
« Reply #8 on: June 11, 2009, 11:16:54 PM »
Quote from: rkauer;510671
MC68040 is cool even when running at "insane" 50MHz, but they are rare as rocking horse poo.
40MHz, yeah the L88M mask was the last MC68040RC40A and it runs almost cold at this speed.
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Offline nishtek

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Re: 68040 proccesors for 040 accelerator cards
« Reply #9 on: June 11, 2009, 11:32:02 PM »
how many is a lot / how many do you need?
i mean what would you do with them all...

Quote from: Gavilan;510639
Friends: i have chance of getting a lot of proccessors for 040 cards. Just to be 100% sure, which ones are good?
I have been offered this 2 models: XC68LC040RC33B and XC68LC040REC25B.

Please enlighten me!!

Cheers!
Sebastian
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Offline zipper

Re: 68040 proccesors for 040 accelerator cards
« Reply #10 on: June 12, 2009, 06:19:57 AM »
Quote from: RMK305;510670
What does RC after the 68040 or 68060 stand for?


Ceramic pack.
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Offline countzero

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Re: 68040 proccesors for 040 accelerator cards
« Reply #11 on: June 12, 2009, 06:58:46 AM »
to cut a long story short, gavilan, the processors you've been offered are not very useful with an amiga. I say don't even bother.

The only 040 that's worth upgrading is a 40 MHz full 68040 with a special mask Alexh mentioned.
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Offline alexh

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Re: 68040 proccesors for 040 accelerator cards
« Reply #12 on: June 12, 2009, 09:11:15 AM »
Quote from: zipper;510730
Quote from: RMK305;510670
What does RC after the 68040 or 68060 stand for?
Ceramic pack.
More importantly it is Ceramic PGA (Pin Grid Array)

They also make FE which is plastic QFP (Quad flat pack)
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Offline delshay

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Re: 68040 proccesors for 040 accelerator cards
« Reply #13 on: June 12, 2009, 02:26:05 PM »
processors goes to someone who has posted in this thread. will post in with-in seven days when i have a chance to to go to the post office.
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