PENTIUM 4 一款型号的CPU 为什么网上找不到相关资料？

519市面上真的很少见，不是主流，品牌机上爱用
有些处理器是不上市卖给散户的，它一出来就给了OEM商，可能519属那种吧
506市场上多，口碑较好，有一定的超频潜力。
但说实话，519本身主频就已较高了，519应好一些，同构架同类型主频高的好

下面是同时代intel处理器的一些参数，看看比较吧。
处理器 处理器信息 (Cache, System Bus*, Pkg) 状态
Intel Pentium 4 Extreme Edition 3.40 GHz (2MB,800 MHz,LGA775) YES
Intel Pentium 4 672 3.8 GHz (2MB,800 MHz,LGA775) YES
Intel Pentium 4 670(R0) 3.8GHz (2MB,800MHz,LGA775) YES
Intel Pentium 4 670 3.8 GHz (2MB,800 MHz,LGA775) YES
Intel Pentium 4 662 3.6 GHz (2MB,800 MHz,LGA775) YES
Intel Pentium 4 660 3.6 GHz (2MB,800 MHz,LGA775) YES
Intel Pentium 4 650(R0) 3.40GHz (2MB,800MHz,LGA775) YES
Intel Pentium 4 650 3.4 GHz (2MB,800 MHz,LGA775) YES
Intel Pentium 4 640 3.2 GHz (2MB,800 MHz,LGA775) YES
Intel Pentium 4 630 3.0 GHz (2MB,800 MHz,LGA775) YES
Intel Pentium 4 571 3.8 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 570J 3.8 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 561 3.6 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 560/560J 3.6 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 551 3.4 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 550/550J 3.4 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 541 3.2 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 540/540J 3.2 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 531 3.0 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 530/530J 3.0 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 524 3.06GHz (1MB,533MHz,LGA775) YES
Intel Pentium 4 521 2.8 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 520/520J 2.8 GHz (1MB,800 MHz,LGA775) YES
Intel Pentium 4 519K 3.06GHz (1MB,533MHz,LGA775) YES
Intel Pentium 4 519J 3.06GHz (1MB,533MHz,LGA775) YES
Intel Pentium 4 516 2.93GHz (1MB,533MHz,LGA775) YES
Intel Pentium 4 515 2.93 GHz (1MB,533 MHz,LGA775) YES
Intel Pentium 4 511 2.8GHz (1MB,533MHz,LGA775) YES
Intel Pentium 4 510 2.8 GHz (1MB,533 MHz,LGA775) YES
Intel Pentium 4 506 2.66GHz (1MB,533MHz,LGA775) YES
Intel Pentium 4 505 2.66 GHz (1MB,533 MHz,LGA775) YES
Intel Pentium 4 355 3.33 GHz (256KB,533 MHz,LGA775) YES
Intel Pentium 4 351 3.2 GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 355(G1) 3.33GHz (256KB,533MHz,LGA775) YES
Intel Celeron D 355 3.33 GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 346 3.06GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 345J 3.06 GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 341 2.93GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 340J 2.93 GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 336 2.80 GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 335J 2.8 GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 331 2.66 GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 330J 2.66 GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 326 2.53GHz (256KB,533 MHz,LGA775) YES
Intel Celeron D 325J 2.53 GHz (256KB,533 MHz,LGA775) YES

http://www.jnhaixun.com/cpu/ta-intel.asp

少见的很 品牌电脑？