C64G Rare???

13 November 2002, 00:48

According to this site, C64G is a rare computer.

http://www.homecomputer.de/pages/f_i...dore_C64G.html

Is this really the case, they say C64 and C64C are common but this one isn't. It sounds odd to me. I've got one dirty and unattended, deep in my bedroom! I've explained how I've got it earlier. One and a half year ago, saw it at school It was dumped into the trash and I grabbed it immediately.

Amiga1992 · 13 November 2002, 00:59

If it really is a G, yes, it is a bit rare. How to find out? open it up and check the motherboard revision. If it's a small. BN/E motherboard, it truly is a 64G

My Drean C64 looks like an Aldi C64 but it aint.

13 November 2002, 01:19

It clearly says C64G below the case. I don't think the mobo is replaced. I've just opened it, checked but not knowing what to look at, I closed it and put it away again

I am surprised to see that, instead of a metal shielding like amigas have on the motherboard, this C64 has a gray piece of paper. I've accidentally partially torn it mind you. I'm a hardware kill'em all

Amiga1992 · 13 November 2002, 01:36

Quote:

Originally posted by Burseg
It clearly says C64G below the case. I don't think the mobo is replaced. I've just opened it, checked but not knowing what to look at, I closed it and put it away again

I am surprised to see that, instead of a metal shielding like amigas have on the motherboard, this C64 has a gray piece of paper. I've accidentally partially torn it mind you. I'm a hardware kill'em all

All C64s have a cardboard shielding inside, instead of a metal one.

Anyway, you have to look closely at the motherboard. It should be smaller than the normal C64 ones. Also, the chips should all have their dates in them and should be pretty new. look for an 8580 SID chip in there, too.

The CPU is different too. An 8502 goes in place of the 6502. This brings a few incompatibilities.

Daz · 13 November 2002, 03:03

Im after a C64 myself as I've never owned one and would like to see what all the fuss is about!

Is there anything special I should look for? or will any old 64 so the trick?!

Amiga1992 · 13 November 2002, 03:24

I suppose any C64 will do as long as it is PAL.
You might hunt new ones along the way if your needs grow bigger (ie I am hunting down a C64C for its 8580 SID chip, but thsi is just a nitpick on my part

)

13 November 2002, 09:45

There is a 8502 on my mobo though I don't know how a regular C64 mobo looks like so I can't compare the size.

What kind of incompatibilities do you mean?

Amiga1992 · 13 November 2002, 15:30

It's a 64G alrightey

Your machine is about 98% compatible with a C64 but not 100%

I only found one or two programs that woldnt run on my 128 so far, after so many years of C= computing!

RetroMan · 13 November 2002, 17:54

Well, I allready purchased a C64G some months ago and I must say, it isn´t really THAT rare here in Germany (Europe ?)

But I love the look of the white case with white keys

It´s a must buy

MOS-6581 · 14 November 2002, 01:25

Quote:

Originally posted by Akira
All C64s have a cardboard shielding inside, instead of a metal one.

Most C64's have cardboard shielding, but I have a number of earlier C64's which have metal shielding, which also acts like a heatsink for the SID, CPU and the ROMs. I think I've even seen a few C64C's with metal shielding.
I hope anyone using their C64s regularly have removed the cardboard shielding, as they don't bloody work! What it does do is to make your 64 hotter, which means it will die more quickly, so if you want your C64 around for longer, get rid of the bugger now! (and get some cool mini heatsinks for the chips like I have

)

Overdoc · 14 November 2002, 01:32

Quote:

Originally posted by Akira
[B]All C64s have a cardboard shielding inside, instead of a metal one.

Not all

There are some rather rare C64-C models that have a metal shielding inside. I have one of these but never opened it because it is still sealed. According to some people this model also has a very rare board revision in them

Quote:

The CPU is different too. An 8502 goes in place of the 6502. This brings a few incompatibilities.

Hmm, I have never noticed any incompatibilities. What is it what will not work on the C64-C or G ?
I have one very strange C64-G that has the old, breadbox board in it. I am sure it has been bought like this from the shop, because it is the C64-G from a close friend of mine, and I know he never ever changed anything on it.
The very strange thing on this one is that 2 or 3 games don't work or crash on this machine while they work perfect on other machines. I never found out why.

Besides the processor also the 6526 CIAs in the C64s where slightly changed during the year 1987, and so some newer C64 might have very rare troubles with programs because of this, although I never found anything that wouldn't work.

Amiga1992 · 14 November 2002, 02:04

Quote:

Originally posted by Overdoc
Not all

Ok ok, I stand corrected. MOST C64s have cardboard shite inside

Quote:

Hmm, I have never noticed any incompatibilities. What is it what will not work on the C64-C or G ?

No clue about the C64C, but the 8502 in 128s and 64Gs does bring incompatibilities. I don't remember which games failed to load, it's been a looong time.

Your friend's 64G might have had incompatibility probs because of the 8502

Even if the mobo was old perhaps it was 8502-powered?

7-Zark-7 · 14 November 2002, 13:07

Quote:

Originally posted by Daz
Im after a C64 myself as I've never owned one and would like to see what all the fuss is about!

Is there anything special I should look for? or will any old 64 so the trick?!

Although C64C's are more recent, the change in the soundchip meant that a lot of tunes, & especially samples were "muffled" in the C64C. I can personally vouch that Turbo Out Run's wonderful tunes/samples don't sound anywhere near as good as a result.
(Still have it, but my beloved disk drives don't work alas!)

That said, not all tunes etc. sound poor in comparison to the original C64's. A lot of Sensible software's games,(when Martin Galway was part of them), actually gave you options to fine tune the sound to your C64 model. And stuff like Monty on the Run worked fine too. Although I encoutered longer loading times on a couple of games they still worked 100%. But as they also revised the I541 disk drive it might've been responsible too, I'm not sure.

Although,I'll always say Times of Lore's title tune sounded better on the C64c than the C64!

Amiga1992 · 14 November 2002, 17:09

Quote:

Originally posted by 7-Zark-7
Although C64C's are more recent, the change in the soundchip meant that a lot of tunes, & especially samples were "muffled" in the C64C.

A bit of truth and a bit of misinformation there.

The new chip DOES have a slight problem with samples. However you can make a little hack to make them sound fine again. That's all teh tunes it wont play properly, the otehrs will work just fine, but sound a bit different.

The 8580 has different waveforms and used to come with different filters, therefore they sound quite a bit different from the 6581s. It's the chip of choice for modern C64 productions though, so that's why I want one machine with each chip

Personally I preffer the sound of the 8580.

I say that if you are not into demos and stuff, the best all-round machine would be an old brown breadbin.

Daz · 14 November 2002, 17:12

/me Searches Ebay for breadbin - Found! Tefal toaster and breadbin in one - no tapes included

Overdoc · 14 November 2002, 18:53

Quote:

Originally posted by Akira
Ok ok, I stand corrected. MOST C64s have cardboard shite inside

No clue about the C64C, but the 8502 in 128s and 64Gs does bring incompatibilities. I don't remember which games failed to load, it's been a looong time.

Well, I don't think it is the 8502. The C128 incombatibilities are due to one special bit which is used for bankswitching as far as I know. ( I think it also affects the 2MHz mode, which can be used from the C64 mode when the screen is turne off. Some packers make use of this

)
E.g. Rescue on Fractalus crashes on the C128 because of this bit.
Also the metal C-128D has lots of incombatibilities because of the drive controller, which doesn't have it's own board any more, but is integrated into the mainboard. This gives problems with original software's copyprotection in the built in drive.

Quote:

Your friend's 64G might have had incompatibility probs because of the 8502 Even if the mobo was old perhaps it was 8502-powered?

Nope, it has a 6502 and it is a board from 1984 !!
I assume they used old spareboards or even repaired boards for the C64-G models. But it is also possible that the board was changed in the shop for some reason.

Phiber · 17 November 2002, 13:10

I'd like to take some space for myself on this thread and clarify a few things about the model C64C:

There are actually 2 versions of this computer.

The Earlier (let's call it C64C v1.0)

Which did/does have a metal shielding (I used to own one back in 1987-92) it had sort of metal clips touching the chips with thermal compound to double as a heatsink as well as a RF-shielding (!)

This version is more likely to be identified externally with the keyboard itself because the keys also have printing on the front of the keys, not just the top, and the printing on the control-key says CTRL

It has a 6502 processor and 6581 SID

The Later (let's call it C64C v2.0)

This was the cost reduced model (as the manufacturing processes developed and certain chips were cheaper than the ones found on earlier models (revision E motherboard)

It has a foil coated cardboard as a shielding.

The processor is a model 8500 (virtually identical to 6502 in any way) The SID chip had changed to 8580

This model can be identified also from the keyboard which had ALL the print on the TOP of the keys.. also a serial number above 1.000.000 should indicate a later version c64c..

The C64C i have now has all of those v2.0 identifications, and the serial is HB4 1325712E

Overdoc · 17 November 2002, 20:46

Yes, but not all C64-C V1 had the metal shielding ! Most of them had the cardboard shielding like breadbox C64s have.

Btw., anoyone has a C64-G with a big, breadbox board ? ( Assy# 250407 or 250425 ) like the one my mate had ?

13 November 2002, 00:48	#1
oldpx Posts: n/a	C64G Rare??? According to this site, C64G is a rare computer. http://www.homecomputer.de/pages/f_i...dore_C64G.html Is this really the case, they say C64 and C64C are common but this one isn't. It sounds odd to me. I've got one dirty and unattended, deep in my bedroom! I've explained how I've got it earlier. One and a half year ago, saw it at school It was dumped into the trash and I grabbed it immediately.

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13 November 2002, 00:59	#2
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,644	If it really is a G, yes, it is a bit rare. How to find out? open it up and check the motherboard revision. If it's a small. BN/E motherboard, it truly is a 64G My Drean C64 looks like an Aldi C64 but it aint.

13 November 2002, 01:19	#3
oldpx Posts: n/a	It clearly says C64G below the case. I don't think the mobo is replaced. I've just opened it, checked but not knowing what to look at, I closed it and put it away again I am surprised to see that, instead of a metal shielding like amigas have on the motherboard, this C64 has a gray piece of paper. I've accidentally partially torn it mind you. I'm a hardware kill'em all

13 November 2002, 03:03	#5
Daz Junior Member Join Date: Jun 2002 Location: Blackburn Age: 42 Posts: 174	Im after a C64 myself as I've never owned one and would like to see what all the fuss is about! Is there anything special I should look for? or will any old 64 so the trick?!

13 November 2002, 03:24	#6
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,644	I suppose any C64 will do as long as it is PAL. You might hunt new ones along the way if your needs grow bigger (ie I am hunting down a C64C for its 8580 SID chip, but thsi is just a nitpick on my part )

13 November 2002, 09:45	#7
oldpx Posts: n/a	There is a 8502 on my mobo though I don't know how a regular C64 mobo looks like so I can't compare the size. What kind of incompatibilities do you mean?

13 November 2002, 15:30	#8
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,644	It's a 64G alrightey Your machine is about 98% compatible with a C64 but not 100% I only found one or two programs that woldnt run on my 128 so far, after so many years of C= computing!

13 November 2002, 17:54	#9
RetroMan Registered User Join Date: Aug 2001 Location: Germany Age: 51 Posts: 3,704	Well, I allready purchased a C64G some months ago and I must say, it isn´t really THAT rare here in Germany (Europe ?) But I love the look of the white case with white keys It´s a must buy

14 November 2002, 17:12	#15
Daz Junior Member Join Date: Jun 2002 Location: Blackburn Age: 42 Posts: 174	/me Searches Ebay for breadbin - Found! Tefal toaster and breadbin in one - no tapes included

17 November 2002, 13:10	#17
Phiber Hardware Freak Join Date: May 2002 Location: Helsinki / Finland Age: 50 Posts: 222	I'd like to take some space for myself on this thread and clarify a few things about the model C64C: There are actually 2 versions of this computer. The Earlier (let's call it C64C v1.0) Which did/does have a metal shielding (I used to own one back in 1987-92) it had sort of metal clips touching the chips with thermal compound to double as a heatsink as well as a RF-shielding (!) This version is more likely to be identified externally with the keyboard itself because the keys also have printing on the front of the keys, not just the top, and the printing on the control-key says CTRL It has a 6502 processor and 6581 SID The Later (let's call it C64C v2.0) This was the cost reduced model (as the manufacturing processes developed and certain chips were cheaper than the ones found on earlier models (revision E motherboard) It has a foil coated cardboard as a shielding. The processor is a model 8500 (virtually identical to 6502 in any way) The SID chip had changed to 8580 This model can be identified also from the keyboard which had ALL the print on the TOP of the keys.. also a serial number above 1.000.000 should indicate a later version c64c.. The C64C i have now has all of those v2.0 identifications, and the serial is HB4 1325712E

17 November 2002, 20:46	#18
Overdoc Commodore Collector Join Date: Aug 2001 Location: Austria Age: 53 Posts: 944	Yes, but not all C64-C V1 had the metal shielding ! Most of them had the cardboard shielding like breadbox C64s have. Btw., anoyone has a C64-G with a big, breadbox board ? ( Assy# 250407 or 250425 ) like the one my mate had ?

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