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First post, by Nexxen

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As I was sorting some slot1 cpus I saw that some have missing smd components, the small ones that I found in the same box they were in.

It's just a matter of sorting things but I have this question in mind, if schematics for P2/3 and K7 Athlon are available.
Maybe someone has them.

Anyway, thanks for your attention!

EDIT: I mean the actual CPU cards/modules, not the slots or sockets pinouts.

Last edited by Nexxen on 2023-08-16, 14:01. Edited 2 times in total.

PC#1 Pentium 233 MMX - 98SE
PC#2 PIII-1Ghz - 98SE/W2K

Reply 1 of 11, by ediflorianUS

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will this help ? : https://web.archive.org/web/20060622200013/ht … ts/24445209.pdf
https://www.informit.com/articles/article.asp … 482324&seqNum=6
https://www.informit.com/articles/article.asp … 30978&seqNum=17
https://www.anandtech.com/show/405/2
https://www.datasheetarchive.com/slot%201%20f … -datasheet.html
(most of them are on the wikipedia you know...)

Last edited by ediflorianUS on 2023-08-16, 14:10. Edited 1 time in total.

My 80486-S i66 Project

Reply 2 of 11, by Nexxen

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ediflorianUS wrote on 2023-08-16, 13:34:
will this help ? : https://web.archive.org/web/20060622200013/ht … ts/24445209.pdf https://www.informit.com/articles/article.asp […]
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will this help ? : https://web.archive.org/web/20060622200013/ht … ts/24445209.pdf
https://www.informit.com/articles/article.asp … 482324&seqNum=6
https://www.anandtech.com/show/405/2

(most of them are on the wikipedia you know...)

1. No, as it's not what I'm looking for. I'm looking for CPU cards/modules. Not pinouts.

2. Yes, I know that what you posted is available on wikipedia 😉

Interesting readings nonetheless, a refresh is always helpful!!
Thanks anyway!

Overclocking is easy to find but boardview or pdf of these cpus I've never even saw them mentioned.
It's a super side quest, not really hoping too much really.

I changed the title as it looks misleading.

PC#1 Pentium 233 MMX - 98SE
PC#2 PIII-1Ghz - 98SE/W2K

Reply 3 of 11, by ediflorianUS

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I will dig some more , I know I seen some layouts somewhere.
https://www.anandtech.com/show/355/4
here is what's available so far : https://www.datasheetarchive.com/amd%20proces … -datasheet.html

AMD datasheet - you have loads of data there ,including pin-out but not caps SMD's... just check img and mount a similar one (if CPU won't start).

Last edited by ediflorianUS on 2023-08-16, 14:20. Edited 2 times in total.

My 80486-S i66 Project

Reply 4 of 11, by Nexxen

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ediflorianUS wrote on 2023-08-16, 14:12:

I will dig some more , I know I seen some layouts somewhere.
https://www.anandtech.com/show/355/4

Tunable caps, you probably gave me an idea for another project.
Nothing was wasted from your links 😀

PC#1 Pentium 233 MMX - 98SE
PC#2 PIII-1Ghz - 98SE/W2K

Reply 5 of 11, by ediflorianUS

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Nexxen wrote on 2023-08-16, 14:15:
ediflorianUS wrote on 2023-08-16, 14:12:

I will dig some more , I know I seen some layouts somewhere.
https://www.anandtech.com/show/355/4

Tunable caps, you probably gave me an idea for another project.
Nothing was wasted from your links 😀

you can easly check the caps if you buy a SMD meter (bosch is cheap around 28$)
A few CPU's I have with broken smd's work fine (true they are LGA 775)....
images-6.jpg

My 80486-S i66 Project

Reply 6 of 11, by shevalier

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Nexxen wrote on 2023-08-12, 16:18:

if schematics for P2/3 and K7 Athlon are available.

https://elektrotanya.com/intel_440bx_rev_1.0_ … f/download.html

And generally speaking, grab the elektrotanya.com

Aopen MX3S, PIII-S Tualatin 1133, Radeon 9800Pro@XT BIOS, Diamond monster sound MX300
JetWay K8T8AS, Athlon DH-E6 3000+, Radeon HD2600Pro AGP, Audigy 2 Value

Reply 7 of 11, by Nexxen

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ediflorianUS wrote on 2023-08-16, 14:17:
Nexxen wrote on 2023-08-16, 14:15:
ediflorianUS wrote on 2023-08-16, 14:12:

I will dig some more , I know I seen some layouts somewhere.
https://www.anandtech.com/show/355/4

Tunable caps, you probably gave me an idea for another project.
Nothing was wasted from your links 😀

you can easly check the caps if you buy a SMD meter (bosch is cheap around 28$)
A few CPU's I have with broken smd's work fine (true they are LGA 775)....

Caps on cpus are a thing not so discussed.
Usually modders do crazy sh*t for "a few MHz more".

PC#1 Pentium 233 MMX - 98SE
PC#2 PIII-1Ghz - 98SE/W2K

Reply 8 of 11, by Nexxen

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shevalier wrote on 2023-08-16, 14:31:
Nexxen wrote on 2023-08-12, 16:18:

if schematics for P2/3 and K7 Athlon are available.

https://elektrotanya.com/intel_440bx_rev_1.0_ … f/download.html

And generally speaking, grab the elektrotanya.com

I'm looking for the schematics of the cpu board, as pic posted by ediflorianUS.
E.g. caps C6/7/8, value?

I store many Pentium II and III without a heatsink and a few caps + res fell off.
I can desolder from other cpus but if a schematic is vailable it'll benefit many other users that maybe just throw them away...

PC#1 Pentium 233 MMX - 98SE
PC#2 PIII-1Ghz - 98SE/W2K

Reply 9 of 11, by ediflorianUS

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Nexxen wrote on 2023-08-16, 14:38:
I'm looking for the schematics of the cpu board, as pic posted by ediflorianUS. E.g. caps C6/7/8, value? […]
Show full quote
shevalier wrote on 2023-08-16, 14:31:
Nexxen wrote on 2023-08-12, 16:18:

if schematics for P2/3 and K7 Athlon are available.

https://elektrotanya.com/intel_440bx_rev_1.0_ … f/download.html

And generally speaking, grab the elektrotanya.com

I'm looking for the schematics of the cpu board, as pic posted by ediflorianUS.
E.g. caps C6/7/8, value?

I store many Pentium II and III without a heatsink and a few caps + res fell off.
I can desolder from other cpus but if a schematic is vailable it'll benefit many other users that maybe just throw them away...

if they are caps , close values won't matter so much (and dimensions equal capacitor's value usually) aniway is limited by the chip itself pulling power over them (they mostly are there to give juice when core requires it). I view a lot of sorin's videos on YT , so much to learn and so much to forget. (brown are caps , and black are resistors?or fuses? or other things , so color and dimensions visual check , also check a YT tutorial of SMD's to understand them better.) If you 100% need specific check , just get a cheap bosch SMD meter.... *you can also ohm test them with classic meter.

My 80486-S i66 Project

Reply 10 of 11, by shevalier

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Nexxen wrote on 2023-08-16, 14:38:

I'm looking for the schematics of the cpu board, as pic posted by ediflorianUS.

No one will say this, they were produced only by AMD and Intel themselves.

Nexxen wrote on 2023-08-16, 14:38:

E.g. caps C6/7/8, value?

10-100u *6.3V
There are definitely no voltages greater than 5V on the processor (for I / O power)

Nexxen wrote on 2023-08-16, 14:38:

I store many Pentium II and III without a heatsink and a few caps + res fell off.

- Download the schematic for the slot motherboard.
- Define the name of the pin to which the missing element goes.
- Download the schematic to the socket board.
- See by name what goes to it.
- Profit.

Aopen MX3S, PIII-S Tualatin 1133, Radeon 9800Pro@XT BIOS, Diamond monster sound MX300
JetWay K8T8AS, Athlon DH-E6 3000+, Radeon HD2600Pro AGP, Audigy 2 Value

Reply 11 of 11, by ediflorianUS

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Aniway , in 25 years of tech I only seen 2-3 Intel CPU's so broken they did not POST. (rest of the times was MB or something else problem)
AMD do have/had problems , SIlicon diffusing pr. (Zen+ cpu's) , burn-down silicon (notorious Sk.A). and other stuff. (more problems than Intel). - High'er chanse of no Post.
yes in theory I agree they are up to 6.3v (however t.caps nowdays can go/spike up to 50v) not sure a bout uf , better use same visual/fizical dimensions ,
I once mounted 2 bigger ones on a Video card , however made no dffrence (no Post). And work on GPU's , try fixing gpu's as they are about to get more expensive,(go up in value) better to repair evrything we have.(it's a good way to get skill also on fixing/changeing smd's and so on and so on).

My 80486-S i66 Project