MOVED: [Opteron] AGP Bus Speed is 0x

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[Opteron] AGP Bus Speed is 0x

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G4 Bus Speed

I'm running a Power Mac G4 (Mirrored Drive Doors) and was wondering if there's any way to update the bus speed? currently I've got 167 MHz.
presumably there would be no point in updating my processor from 1.25 GHz with 167 bus speed?
cheers,
Liam

is it all pretty much governed by bus speed?
Of course, bus speed is a limiting factor, though processor speed, cache size/location of cache are equally as, or more, important. RAM controller speed, and CAS rating of memory chips, amount of memory, GPU speed, and VRAM clock also contribute to system performance/limitations.
Faster processor means faster handling of data, resulting in faster system response.
Dual processors allow for additional data threads to be processed simultaneously, resulting in faster system performance.
A larger cache, closer to the processor (L2 vs. L3) allows for a greater amount of data to be buffered (temporary storage) within easy reach of the processor, resulting in faster system performance.
A slow bus can benefit from a faster processor, this is a given. A larger L2 and/or L3 cache also increases performance, this is proven.
How much of an improvement all of this makes, depends on the overall configuration of a system, and from where the upgrading began. In the case of a 400mhz system going to a dual 1.8ghz processor, the difference is around 400-500% improvement. Depending on the process/application, though, the bus will, in fact cause the processor to slow down, while waiting for the rest of the system to "catch up", if you will...
In the case of a 1.25ghz machine moving to a dual 1.42. with the exception of multi-tasking, the overall improvement in performance will be slight, due to the slight increase in processor speed. But, with multi-tasking, video, graphics intensive work, etc., a dual processor, even of the same speed, will greatly improve the performance by virtue of the multi processing ability of the dual. This is why current systems have moved to multiple multi-core processors. Here lies the potential for greatly improved performance and speed.
But, again, all system components need to be optimized for optimal performance. Back to the bus issue, in the end, the slower (relatively speaking) bus of a G4 will be the ultimate limiting factor of a
machines performance.
Let us not forget, though, the Sawtooth was once considered a "Super Computer" and exports were initially seen as a national security issue. The MDD is a further refined/enhanced machine, and has good life left in it, even in todays "speed is everything" mentality.
do you reckon upgrading the CPU will make much difference
Keeping the above discussion in mind, browse the database at XBench, and you can see how various processors compare in performance in the MDD.
I will say that moving from a single to a dual processor, of higher speed, can be seen as a worthwhile upgrade.

My k7n420D agp bus work@ 89Mhz(*4=356Mhz)

I use SiSandra 2002 to test my mainboard informations.
it told me that my Mainboard's agp bus wrok at a speed of 89Mhz, and it can not recognize my PCI 33 bus,just because the pci is now work at a speed of 45Mhz. ?(
so I detected my bios configuration.
but the CPU/RAM/AGP setting is 133/266/66, no errors here, so I guess it maybe the software's error, I changed this settings to 145/290/75 and test that info again, the result is: agp bus at 97Mhz(*4=388Mhz),
pci 33 can not detect.
so SiSandra work normal, when i changed it to 100/266/66 , all testing result seems normal, agp is 66Mhz(*4=266), and pci is 33Mhz.but the CPU work @ 1150Mhz.
At before , my system is working normally:agp is 66, and pci is 33, with a GeForce3 standard(200,460) card my 3D mark 2001 score could got 8000, but now it's only got 7000,
and some times it could make my system halt down:
my monitor got totally black, and all system have no response. X(
I tried update my bios to the previous version,
clear the cmos,
or uninstall nforce and geforce drivers from my OS,
detect it again,but nothing changed.
finally, I formated the partition and install an English Windows 2000 only(didn't install any driver)!!!
detect the info immediately, it still show me agp work @ 89Mhz! 8o
This error was never occured before!
look at my devices and Software env:
cpu: athlonxp 1800+
mainboard: MSI k7n420D
ram: kingstone 512Mb pc2100 DDR * 2 (total 1024 Mb)
hd : WD800BB (80G, 7200rpm)
OS:Windows2000Pro,servicepack2
DA driver: 30.82 WHQL
nforce driver: 1.13 WHQL
I am a student in Beijing-China,
please,could you give me some advices, or some solutions for this problem!
If this is a hardware error, seems that I have to change another k7n420d.

Me too i also operate at 89MHz AGP as Sandra shows for over a year now, no problems. Don't listen to Sandra this number is fake.
BTW, AGPx4 does not mean 66X4. It has to with triggering the chips during rising and falling edge of the clock. Frequency is still 66MHz or 89MHz as Sandra reports.
Best Regards (c),
Markoul

G60-519WM motherboard bus speed, CPU support list

I was given this laptop in 12/2010. It of course has the celeron 900 in it with an 800 MHz fsb. My question is what bus speeds does the mobo support and where can I find a list of supported CPUs. The only semi-reliable info I found suggested upgrading the cpu with a t9600 that has a 1066 MHz fsb.

Hi:
Below is the link to the Maintenance & Service Guide for your notebook.
http://h10032.www1.hp.com/ctg/Manual/c02985882.pdf
Supported processors are listed in Chapter 1, starting on page 1-1.
Paul

How can I determine Bus Speed

Hi all
Dumb question #2.
The beast is a G4 MDD with dual 450MHz chips and the model number is M5183 and the machine number as per System Profiler is 406. Serial number is SG03402HK5W
Got all that.
I need to determine Bus Speed so I can buy the proper Ram Cards for this machine. It was supplies from the eBay seller with PC133 chips in there and surprisingly enough it runs 9.2.1 just fine.
How can I determine whether my machine is a 100MHz or 133MHz.
I suspect my Machine is not an MMD but a Gigabit Ethernet with dual 450 processors. Is this correct?
John Fenn

You can find all the G4 specs here to identify your machine and get the RAM specs and bus speed.
-Douggo
G4 Dual 867 MDD Mac OS X (10.4.3) 1.25GB RAM; 3 HDD's; Pioneer 106D; 20" Cinema Display; 30GB iPod Photo

Changing the system bus speed?

Hello,
I have an overclocked 700MHz (now 900MHz) eMac, with a 100MHz system bus speed, and I am wondering, is the only way of messing with the processor speed overclocking it? And if you CAN change the bus speed, will it make the eMac feel any faster? Since the processor is at 900MHz, I would like the bus speed to be around 750-850MHz. Is that even possible? I've tried googling this kinda thing, but all I get is how to overclock it. (I got that part already, I just want to know if I can change the system bus speed too.)
Regards.....
Your fellow eMac User,
Matthew Knice

I'm thinking that, with two months of viewing, it either isn't possible or offeres too much risk of turning the computer into an expensive doorstop.
The Beige G3's bus speed was controlled by jumpers, relatively easy to tweak. Newer Macs tend to be hardwired

Bus Speed on LimeBook

This Lime iBook is slowing down more and more as I add stuff to it. I'm wondering how much bus speed has to do with it, accessing and all that. I perform all the regular maintenance and use macJanitor also. Is it just a consequence of older technology and slow processor speeds? Mine is the SE with 466 mhz CPU.

RichardIf you are using more and more of your Hard Disk space the system is limited on the amount of virtual memory it can use. It is advisable to leave at least 10% of your hard disk free. I assume you are using Mac OS 9 (this was what would have been supplied with your Lime iBook originally. The hard disk could also do with de-fragmenting now and again under OS 9. (Although you shouldn't do this if you do have OS X installed.) You can tell the bus speed of a mac by looking in the System Profiler. The Processor speed is also a good hint. Your processor is 466. 466/66.67 = 7. This is the multiplier (usually an integer). If you go to the Control Panel and Energy Saver there is an option check box which can reduce the multiplier to 5.5 ... 5.5x 66.67 = 366MHz - this saves battery power - only available on the 466 iBooks and Powerbooks. Many of the overclocking mods for Macs involve changing the multipier - but this involves serious hardcore soldering so it's not an option unless Apple builds in the option.
To get your iBook to go fast I recommend you:
Up your RAM to the maximum (576Mb)
Upgrade the Hard Disk or purchase a Firewire External Drive.
My other tip would be to not buy brand new software - it invariably requires more processing power (as it is aimed at today's machines). Look out for the same (geniune) software but older versions on eBay.

Sun sparc enterprise t5140 server bus speed

Hello,
what bus speed have sun sparc enterprise t5140?
I found these datasheet:
http://www.google.com/url?sa=t&source=web&cd=4&sqi=2&ved=0CFYQFjAD&url=http%3A%2F%2Fwww.oracle.com%2Fus%2Fproducts%2Fservers-storage%2F036000.pdf&rct=j&q=sun%20sparc%20enterprise%20t5140%20server&ei=5R5STv-fIIOj-gav6tSNCw&usg=AFQjCNGEaD-shDgGEAaz0_z3MivZV8fqFg&cad=rja
http://www.google.com/url?sa=t&source=web&cd=5&sqi=2&ved=0CF8QFjAE&url=http%3A%2F%2Fwww.qassociates.co.uk%2FDownloads%2FSun-SPARC-Enterprise-T5140-Server-Datasheet.pdf&rct=j&q=sun%20sparc%20enterprise%20t5140%20server&ei=5R5STv-fIIOj-gav6tSNCw&usg=AFQjCNF_MUMSSFfWX3ZaWH62xFUo2oo5jw&cad=rja
but without bus speed specification.
Thanks a lot.

Hi.
It's problem found same bus on T5140 becouse this server have different architecture.
See http://www.oracle.com/technetwork/articles/systems-hardware-architecture/sun-t5120-t5220-t5140-t5240-163910.pdf
Memory controller, PCI-E controller,10 Gb/s Ethernet - integrated at CPU and connected via crosbar.
The crossbar provides approximately 300 GB/sec of bandwidth
Regards.

815EPT AGP Bus problem

Hi! I have a problem. My 815EPT (MS-6337) working at 2x AGP Bus with GeForce 4MX440 8x videocard.
Where can I set bus to 4x. I can't locate this setting in BIOS. Thanks!

Make sure you've got a clean un-installation of all the old VGA drivers and a clean installation of the new drivers for your VGA card.
Check with DXDiag for the AGP info.

This is what i have:eMac Machine Model:     PowerMac6,4   CPU Type:     PowerPC G4 (1.5)   Number Of CPUs:1   CPU Speed:     1.42 GHz   L2 Cache (per CPU):     512 KB   Memory:512 MB   Bus Speed:     167 MHz   Boot ROM Version:     4.9.2f1? can i update

this is what I have
eMac
Machine Model:          PowerMac6,4
CPU Type:          PowerPC G4 (1.5)
Number Of CPUs:          1
CPU Speed:          1.42 GHz
L2 Cache (per CPU):          512 KB
Memory:          512 MB
Bus Speed:          167 MHz
Boot ROM Version:          4.9.2f1
can i update to snow leopard?? and how? im having a hard time its my first mac.   I need to to create documents, Im trying to avoid buying a new computer.

You cannot upgrade to snow leopard. Snow leopard was the first of os x to drop support for the motorola ppc processors. The latest you could possibly run would be leopard.
Hope it helps,
Ryan

BIOS AGP Bus Driving Control

Hi,
I have a K7N420D (I've only had it 3 or 4 weeks).
I was trawling through my BIOS (V2.7) settings earlier when I came across "AGP Bus Driving Control/Value" (in the "Advanced Chipset Features" section of the BIOS) it's set to Auto at the moment and the setting is "Weakest".
I would like to know what this means and if there are any benefits and/or disadvantages to me manually ajusting this setting?
Any comments gratefully received :D
Axel

OK thanks
I'm still none the wiser as to what it actually is or does ?(
Axel

G4 bus speed increase

I am having compatibility glitches between my G4 733 and 5th gen iPod video. i was told my bus speed was not fast enough for a clean iTunes upload. It gets stuck on certain tunes and stops loading. Can I increase the bus speed (133) to be more correct for the iPod?
Also does anyone know if there is a plan to upgrade from usb to firewire?

Hi, Paul!
I upload music to a 5G, 60GB iPod repeatedly without issue, using a B&W G3 with USB 1.1, so I'm very skeptical about the bus speed being insufficient to handle a "clean" iTunes upload, as you referred to it. In fact, I did the complete initial iPod upload of a 16.2GB iTunes Library on the G3 via a USB 1.1 interface with no issues.
It gets stuck on certain tunes and stops loading.
"Certain" songs? If you mean that specific songs fail to load, I think that you likely have a totally different issue than one of transfer speed, regardless of what you may have been advised elsewhere.
Gary
ps: I haven't loaded any movies to the iPod from the G3, instead using my QS G4 where they reside, but I will do this as another "test" for you, if you would like.
Message was edited by: Majordadusma

Clocking bus speed

I know that on the beige desktop 266mhz apple computers you can clock the bus speed from 66mhz to above 80mhz, so how exactley do I go about this?

This page has the jumper settings and some discussion:
http://www.xlr8yourmac.com/G3_OC/tims.html
If your RAM is only PC-66, running the bus faster than 66 MHz runs it faster than its specified and tested speed. This may make it flaky. It is very difficult to decide what the problem is when your memory is flaky.
If you are considering expanding your memory, using the faster memory from the Blue & White G3, which is otherwise identical, may put your mind at ease about memory problems.
Overclocking can sometimes improve performance 5, 10, or 15 percent. It can also break things, so it is not something to try on the Mac you need every day. It can make things unreliable. If you really need a big speedup, you should think about a newer old Mac.
If you are starting with a 266, you can buy cast-off processors from faster G3 Macs pretty cheaply. a 300 MHz with a bigger cache can often be had on eBay for US$35 or less.

Portege M200: 8x AGP bus??

Hi all. According to the M200 specs, the Geforce go5200 should be running on an 8x AGP bus, but on mine it's only registering as 4x.. Any ideas?

Hi It's just that when I'm playing games it lags up quite a bit. Not that agp8 would make any difference on the 400mhz fsb i spose and 32mb GRAM...

Satellite M30X has 8x or 4x AGP bus?

hi guys,
i just got the Toshiba Satellite M30X - 111 (UK model) and although the specifications on the toshiba website state that this laptop was the ATI Radeon Mobility 9700 with 8x AGP bus when i go to the Display Settings it says that the max AGP is 4x. Anyone knows why is that? Anybody in here has the M30X, can you check in the display properties whats your max AGP bus, is it 4x or 8x ?

I think that Toshiba has decreased some components quality or quantity on this line of notebooks, to keep low the price and to offer more competitiveness (the M30X notebooks are more powerful than the M30's but, in my opinion, have lost in design and other little things).
Anyway, I think M30X are good notebooks, robust and enough powerful to run any application (included some heavy 3D games as Doom3, FarCry, etc.)
P.S.: For the fan noise, you can create a new power profile to keep the CPU velocity to Low when you are not using intensive applications. In this way, the fan is nearly always off. ;)

MOVED: [Opteron] AGP Bus Speed is 0x

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