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Author Topic: You can help us solve a few mysteries!  (Read 21791 times)

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Offline ztrumpet

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Re: You can help us solve a few mysteries!
« Reply #30 on: July 11, 2011, 11:18:29 am »
So does this mean there are no calcs with the viewscreen port that were made recently?
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Offline jsj795

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Re: You can help us solve a few mysteries!
« Reply #31 on: July 11, 2011, 11:25:19 am »
    1. TI-84+SE
    2. S-0607H
    3. Yes (4)
    4. V2
    5. No
    6. 55
    7. 00
    8. 01C4
    9. 000000
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Spoiler For funny life mathematics:
1. ROMANCE MATHEMATICS
Smart man + smart woman = romance
Smart man + dumb woman = affair
Dumb man + smart woman = marriage
Dumb man + dumb woman = pregnancy
2. OFFICE ARITHMETIC
Smart boss + smart employee = profit
Smart boss + dumb employee = production
Dumb boss + smart employee = promotion
Dumb boss + dumb employee = overtime
3. SHOPPING MATH
A man will pay $2 for a $1 item he needs.
A woman will pay $1 for a $2 item that she doesn't need.
4. GENERAL EQUATIONS & STATISTICS
A woman worries about the future until she gets a husband.
A man never worries about the future until he gets a wife.
A successful man is one who makes more money than his wife can spend.
A successful woman is one who can find such a man.
5. HAPPINESS
To be happy with a man, you must understand him a lot and love him a little.
To be happy with a woman, you must love her a lot and not try to understand her at all.
6. LONGEVITY
Married men live longer than single men do, but married men are a lot more willing to die.
7. PROPENSITY TO CHANGE
A woman marries a man expecting he will change, but he doesn't.
A man marries a woman expecting that she won't change, and she does.
8. DISCUSSION TECHNIQUE
A woman has the last word in any argument.
Anything a man says after that is the beginning of a new argument.

Girls = Time * Money (Girls are a combination of time and money)
Time = Money (Time is money)
Girls = Money squared (So, girls are money squared)
Money = sqrt(Evil) (Money is also the root of all evil)
Girls = sqrt(Evil) squared (So, girls are the root of all evil squared)
Girls = Evil (Thus, girls are evil)
*Girls=Evil credit goes to Compynerd255*

Offline ztrumpet

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Re: You can help us solve a few mysteries!
« Reply #32 on: July 11, 2011, 11:31:04 am »
Here are my three calcs:

1.) TI-84+SE
2.) P-0509M
3.) No
4.) 10 July 2011 v#2
5.) No
6.) 55
7.) 00
8.) 01C4
9.) 000000
(Note that I have several of thepenguin's OS mods in use on this calc.  I don't think it affects any of the tests though.)

1.) TI-83+
2.) S-0407K
3.) No
4.) 10 July 2011 v#2
5.) n/a (83+)
6.) 00
7.) n/a
8.) 01B9
9.) 000086

1.) TI-83+SE
2.) I-0302A
3.) No
4.) 10 July 2011 v#2
5.) Yes
6.) 33
7.) 00
8.) 04C4
9.) 000000
« Last Edit: July 11, 2011, 11:31:23 am by ztrumpet »
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Offline calcdude84se

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Re: You can help us solve a few mysteries!
« Reply #33 on: July 11, 2011, 12:45:36 pm »
1) TI-84+SE
2) P-0508M
3) No LCD issues
4) v#2
5) Only 48KiB of RAM
6) $55
7) $00
8) $01C4
9) $000000
« Last Edit: July 11, 2011, 12:45:56 pm by calcdude84se »
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Offline Darl181

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Re: You can help us solve a few mysteries!
« Reply #34 on: July 11, 2011, 02:55:39 pm »
1: 84 PBE
2: S-0305B
3: Yes, 12
4: 2
5: Yes
6: 45
7: 00
8: 04DA
9: 000000

Des it matter if there's anything installed? (Calcutil, Omnicalc, etc)
« Last Edit: July 11, 2011, 02:56:21 pm by Darl181 »
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Offline calcdude84se

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Re: You can help us solve a few mysteries!
« Reply #35 on: July 11, 2011, 03:20:06 pm »
Darl, it's hardware stuff, and since the ports being read are never modified by other programs, it shouldn't.
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Offline leafy

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Re: You can help us solve a few mysteries!
« Reply #36 on: July 11, 2011, 04:05:55 pm »
1. TI-84+SE
2. S-0704A
3. No LCD issues.
4. 10 July 2011 v2
5. Do you have the full 128 K of RAM? Yes.
6. The value in port 15: 44
7. The value in port 3A: 0F
8. The manufacturer ID and the device ID returned by the autoselect commands: 04C4
9. 000000
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Offline the_mad_joob

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Re: You can help us solve a few mysteries!
« Reply #37 on: July 11, 2011, 06:12:56 pm »
Quote from: Runer112 on July 11, 2011, 11:16:52 am
My calculator does not have a ViewScreen port. Otherwise, it seems to be pretty much the same.
My bad, another example that shows how far intuition can sometimes suck =]

Quote from: ztrumpet on July 11, 2011, 11:18:29 am
So does this mean there are no calcs with the viewscreen port that were made recently?
Interesting deduction, since calcs with a vs port all seem to have been released around year 2004.

That would mean port 3A is related to another specific hardware piece, which was assembled during that time.
Anyone has an idea what this could be ?

EDIT :

@thepenguin77 : Thx for the wiki addition =]

Now, some other leads :
- port 15 (83+BE|SE) : All the models tested read 00 except mine (15), which boot sector is locked, according to dnar. This port may then have something to do with boot sector protection status on 83+ models.
- port 3A (84+BE|SE) : After having taken another look at the different results, there's a possibility the LS nibble of this port may also be related to the usb driver revision (seem to return 0F only when port 15 returns 44).
« Last Edit: July 11, 2011, 09:14:29 pm by the_mad_joob »
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Offline DrDnar

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Re: You can help us solve a few mysteries!
« Reply #38 on: July 11, 2011, 09:37:07 pm »
Quote from: the_mad_joob on July 11, 2011, 06:12:56 pm
- port 15 (83+BE|SE) : All the models tested read 00 except mine (15), which boot sector is locked, according to dnar. This port may then have something to do with boot sector protection status on 83+ models.
Probably wrong. The boot sector protection for your TI-83+ is solved. It's implemented in the flash chip, and can only be temporarily undone with a 12 V power source applied to the right pin. The value read from port 15 has no meaning or is unreleated. Newer models have completely different hardware; your unit has a separate Z80, whereas the newer units have the Z80 integrated into the ASIC. On those units, the bus is internal to the ASIC and tends to read 0 for ports with no function. It's possible that port 15 affects the boot sector protection on newer units, but it's unrelated to the fact that yours reads 15.
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Offline the_mad_joob

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Re: You can help us solve a few mysteries!
« Reply #39 on: July 11, 2011, 10:38:13 pm »
glad you figured it out =]
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Offline TIfanx1999

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Re: You can help us solve a few mysteries!
« Reply #40 on: July 12, 2011, 08:56:25 am »
Here we go:

1. Ti-84+ SE
2. P-0608M
3. Yes, 4
4. Version #2
5. No
6. Port 15: 55
7. Port 3A: 00
8. IDs: 01C4
9. P?: 000000

1. Ti-83+ SE
2. S-0303C
3. No.
4. Version #2
5. Yes
6. Port 15: 33
7. Port 3A: 00
8. IDs: 04C4
9. P?: 000000

1. Ti-83+
2. N-0403G
3. No.
4.
5.
6.
7.
8.
9.
The program froze, powered off my calc, and then caused a RAM clear. No other ASM programs present. Happened 3 times.
I can provide additional info, just ask.

1. Ti-83+
2. S-0504B
3. No.
4. Version #2
5. 83+
6. Port 15: F5
7. Port 3A: No
8. IDs: 04B9
9. P?: 01017E

1. Ti-83+
2. S0404D
3. No.
4. Version #2
5. 83+
6. Port 15: FF
7. Port 3A: No
8. IDs: 04B9
9. P?: 0101FF

There you go. Hope this helps. =)
« Last Edit: July 13, 2011, 12:06:10 am by Art_of_camelot »
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Offline thepenguin77

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Re: You can help us solve a few mysteries!
« Reply #41 on: July 12, 2011, 11:44:09 am »
I was bored.
Code: [Select]
Known manufacturer IDs are

ID Manufacturer
01 AMD
04 Fujitsu
7F Unknown
C2 Unknown

Known device IDs are

ID Device
23 512 K (4 megabit) (old units)
B9 512 K (4 megabit) (new units)
C4 2048 K (16 megabit)
DA 1024 K (8 megabit)


Data Chart

Note: VS = ViewScreen

Model HW Bad LCD V# All RAM Port 15 Port 3A Chip ID Boot Owner
83+VS I-0299A Yes 2 N/A 15 No 0123 010146 the_mad_joob
83+ S-0404D 2 N/A FF N/A 04B9 0101FF Art_of_camelot
83+ S-0504B 2 N/A F5 N/A 04B9 01017E Art_of_camelot
83+ S-0407K No 2 N/A 00 N/A 01B9 000086 ztrumpet
83+ S-0508K No 2 N/A 00 N/A 01B9 000045 Juju

83+SE I-0302A No 2 Yes 33 00 04C4 000000 ztrumpet
83+SE S-0303C 2 Yes 33 00 040C 000000 Art_of_Camelot

84+SEVS S-0404 No 2 Yes 44 0F 04C4 000000 the_mad_joob
84+SEVS S-0404 No 2 Yes 44 0F 04C4 000000 Mighty Moose
84+SE S-0404 No 2 Yes 44 0F 04C4 000000 Runer112
84+SE S-0704A No 2 Yes 44 0F 04C4 000000 leafiness0
84+SEVS S-1204A No 2 Yes 44 0F 04C4 000000 JosJuice
84+ S-0305B Yes 2 Yes 45 00 04DA 000000 Darl181
84+SE S-0605D No 2 Yes 45 00 04C4 000000 DrDnar
84+SE S-0306F Yes 2 Yes 45 00 01C4 000000 BuckeyeDude
84+ S-0306F No 2 Yes 45 00 01DA 000000 Mighty Moose
84+ S-0406F Yes 2 Yes 45 00 01DA 000000 Eeems
84+SE S-0606F No 2 Yes 45 00 01C4 000000 graphmastur
84+ K-0207E No 2 Yes 45 00 C2DA 000000 ZippyDee
84+SE S-0607H Yes 2 No 55 00 01C4 000000 jsj795
84+SE P-0508M Yes 2 No 55 00 01C4 000000 thepenguin77
84+SE P-0508M No 2 No 55 00 01C4 000000 calcdude84se
84+SE P-0608M 2 No 55 00 01C4 000000 Art_of_camelot
84+SE P-0509M No 2 No 55 00 01C4 000000 ztrumpet
84+SE P-0510O Yes 2 No 55 00 7FC4 000000 thepenguin77

83+ N-0403G No

Putting them in order by date really makes some patterns stand out.
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Offline shmibs

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Re: You can help us solve a few mysteries!
« Reply #42 on: July 12, 2011, 03:14:27 pm »
Art_of_camelot: an easy way to tell if the lcd driver has delay issues is to use Fred Lionetti's Donkey Kong (DK5MOS on ticalc). the splash screen will let you know immediately if there are any issues.


i can't seem to find my newer 83+... anyways, here are a few:
    * 1. TI-84+SE with zstart modded certificate
    * 2. S-0806F
    * 3. yes. driver setting 12. port 29:00110000 port port 2A:00100111
    * 4. Version #2
    * 5. Do you have the full 128 K of RAM? Yes.
    * 6. The value in port 15: 45
    * 7. The value in port 3A: 00
    * 8. ID's: 01C4
    * 9. P?: all 00

    * 1. TI-84+
    * 2. S-0805C
    * 3. yes. driver setting 8. port 29:00100000 port 2A:00100111
    * 4. Version #2
    * 5. Do you have the full 128 K of RAM? Yes.
    * 6. The value in port 15: 45
    * 7. The value in port 3A: 00
    * 8. ID's 04DA
    * 9. P?: all 00

    * 1. TI-84+ on which 15 rows of the LCD have failed.
    * 2. K-04090
    * 3. No LCD delay issues, at least :P
    * 4. Version #2
    * 5. Do you have the full 128 K of RAM? indecipherable (these pixels are dead
    * 6. indecipherable (these pixels are dead)
    * 7. The value in port 3A: 00
    * 8. ID's C2DA
    * 9. P?: all 00

    * 1. TI-83+
    * 2. N-0405G
    * 3. No LCD issues.
    * 4. Version #2 the program crashed the first time i ran it, for some reason...
    * 6. The value in port 15: 75
    * 8. ID's C223
    * 9. P? 0000FE
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Offline the_mad_joob

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Re: You can help us solve a few mysteries!
« Reply #43 on: July 12, 2011, 03:23:27 pm »
Interesting...

Boot sector seem to be locked on 83+BEs until 2004 (at least).
Also, looks like 83+SEs can have another kind of fujitsu chip (040C). > typo confirmed

EDIT : Since i wasn't sure, tested DK5MOS.8XP on my I-0299A and the splash screen is displayed properly. My bad. Feel free to update the data chart (lcd=good).
« Last Edit: July 13, 2011, 01:59:57 am by the_mad_joob »
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Offline DrDnar

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Re: You can help us solve a few mysteries!
« Reply #44 on: July 12, 2011, 10:22:09 pm »
Art_of_camelot, please recheck the results for the TI-83+SE. In particular, are you sure that 040C isn't a typo?
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