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Get 3DNow! Message Board Hardware Need Help K7 Choices
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| Author | Topic: Need Help K7 Choices |
| Franklin A. Childers Follower of Athlon |
 posted December 01, 1999 19:03  
Need help understanding what is the best way to go. I wnat to get the New K7 but the more I look the more confused I get. 1) Motherboard with 200MHz buss says that it is PC100 Memory Complient. Will it run the faster memory when it comes out ? 2) will the CPU need to be upgraded to run at buss speed of 200 MHZ? 3)Video Card ? 4) would it be better to wait ? or will there be a painless transision ? Thanks Frank IP: Logged |
| Postmand_Per Follower of Athlon |
posted December 02, 1999 17:21
quote: There aren't any mobo with a 200MHz bus, it's the CPU itself there run 200MHz internal. Mobo's build on the VIA KX133 chipset will have a 133MHz bus. quote: Nope, the CPU is 200MHz quote: Whatever you want... A GeForce is the fastest right now. quote: I would wait to mobo's build on VIA's KX133 chipset starts appearing. I heard ruomors saying that FIC should have one ready 6th of December. ------------------ IP: Logged |
| Franklin A. Childers Follower of Athlon |
posted December 03, 1999 19:13
Thanks for the reply. That strighted out a few things for me. Now if You could one more question. Is the CPU cache speed selectable. ie 100 MHZ or 133 MHZ or auto select depending on the bus speed? IP: Logged |
| Postmand_Per Follower of Athlon |
posted December 04, 1999 13:42
On CPUs slower than 700MHz the cache runs with ½ the CPU-speed. On the 700MHz and 750MHz versions the cache speed is 1/3 of the CPU-speed. ------------------ IP: Logged |
| Akma Follower of Athlon |
posted December 04, 1999 15:59
So the 500 and 750 both have a cache speed of 250MHz? Nutty... IP: Logged |
| Franklin A. Childers Follower of Athlon |
posted December 04, 1999 19:17
Now I am really corn-fuzed. So why go above a 500 MHZ clock if all you are going to do is add more wait time cycles? -Frank IP: Logged |
| Postmand_Per Follower of Athlon |
posted December 05, 1999 09:32
The increase in MHz still gives a nice performance-boost. Just try to read some reviews. You can find some at www.anandtech.com , www.tomshardware.com , www.aceshardware.com . ------------------ IP: Logged |
| Franklin A. Childers Follower of Athlon |
posted December 05, 1999 14:02
Thanks for all the help. The links are GREAT reading. Now I understand a little more about what I don't understand. I'll continue to read. Again Thanks. -Frank IP: Logged |
| Imitation Follower of Athlon |
posted December 05, 1999 21:38
This is from Anands review of Athlon 750. The multiplier for cahce is at 1/2.5x or 0.4 times the speed of the cpu. "Unfortunately, the same can't be said for AMD with the Athlon. The Athlon is already at 750MHz, but it is still running with a 512KB external L2 cache that operates at a fraction of the CPU speed. Prior to the release of the 750, all Athlon CPUs ran their L2 cache at ½ the core clock speed. The 350MHz L2 cache required for the Athlon 700 was difficult enough to come by because it required L2 cache chips with a rating faster than 3ns. In order to meet the 375MHz L2 cache requirements of a 750MHz Athlon, AMD would have to build the CPUs with 2.6ns L2 cache chips. As you can guess, this isn't too viable of an option for AMD as it would drive the prices of the 750MHz chips to unreasonably high and uncompetitive levels. So what was AMD's solution? Change the L2 cache divider. Instead of running the L2 cache at ½ the clock speed of the CPU, the Athlon 750 runs the L2 cache at 1/2.5 or at 0.4 times the clock speed of the CPU. This 20% decrease of the L2 cache divider will definitely hurt the performance of the Athlon, in some applications more than others, but the question is how badly will it hurt the overall performance?" Can get it at http://www.anandtech.com/html/articledisplay.cfm?document=1092 IP: Logged |
| XIII Follower of Athlon |
posted December 05, 1999 23:39
Word of warning the geforce cards do not work well with current Athlon motherboards. For them to be stable you must use a patch which makes them run at AGP 1x. IP: Logged |
| Armin High Priest of Athlon |
posted December 06, 1999 09:16
EV6 Bus runs with 100 MHz, DDR equalling memory bandwith of a 200 MHz SDR bus or twice that of a regular 100 MHz FSB. This bus connects the CPU with the chipset. The memory bus is a separate issue, it is currently 100 MHz, KX 133 will support 133 MHz memory bus. Only DDR chipsets out next year from VIA and likely AMD will support DDR memory and the equal speed of FSB and memory bus. IP: Logged |
| Postmand_Per Follower of Athlon |
posted December 06, 1999 16:15
Imitation, Thanks for the info. I thought both were running 1/3 speed cache... Armin, Any words on when these chipset will be out? PS. When are you going to correct the name and the link to my homepage on the frontpage? ------------------ [This message has been edited by Postmand_Per (edited December 07, 1999).] IP: Logged |
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