1.5GHz G4s, So What If They're Overclocked?

[rice_web]

http://arstechnica.infopop.net/OpenTopic/page?a=tpc&s=50009562&f=8300945231&m=9940912435

http://forums.macnn.com/showthread.php?s=&postid=1027061#post1027061

Well, the 1.5GHz G4 is out. Yes, it's overclocked, but it appears to be fairly stable. Following the overclockability-to-future-product releases-scale (which has now proved true the last several product announcements), we could easily see 1.5GHz G4s in the next revision.

 

[MacCoaster]

From the arstechnica site:

PPC Checker v 2.61 reports the DP 867 CPU as:

PowerPC 7455
(Apollo 6, rev2.1)
SOI G4 plus
PVR=0x80010201

While the 1.25 ghz comes up as:

PowerPC 7455
(Apollo 6)
Unknown Rev
PVR=0x80010302

Quite interesting. Anyone know if this 7455 revision has DDR signaling?

 

[rice_web]

The thread also has a mention that the 1.25GHz G4 is a 7455A processor.

 

[onemoof]

Machine

I have a dual processor 867.

I opened up Terminal and typed in "machine" then return.

It output the following line "ppc7450".

Doesn't sound like 7455 to me

 

[MacCoaster]

Re: Machine

Originally posted by onemoof
I have a dual processor 867.

I opened up Terminal and typed in "machine" then return.

It output the following line "ppc7450".

Doesn't sound like 7455 to me

It *IS* a 7455. Trust me. DP800 and its series [733, 867, DP800] were 7450. January's DP1GHz series were first 7455s. It's still 7455 right now. Though the 7455 in 1.25 appears to be 7455A... but the question still stands... true DDR signaling?

Edit: whoops, logic didnt match up... corrected DP800 and older to DP800 and its series

 

[scem0]

Wow, I wouldn't mind testing that computer.....

 

[rice_web]

Based on the benchmarks of the 1.25GHz DDR G4, I'd venture to say that we still do not have a full implementation of DDR memory, though a full implementation of DDR memory would provide little or no boost in most processes. I think that we are merely seeing the advantage of a 166MHz system bus, as opposed to the 133MHz bus that we saw for so long.