在线座谈

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座谈主题:采用Intel ® XScaleTM I/O处理器的存储应用设计
在线问答
[问:eebyte] 请问介绍的这两种处理器除了存储应用之外还有其他适合的应用场合吗? 
[答: Lai_Teng] Intel announced in November it’s extended capabilities for the Intel? 80200 processor based on Intel XScale? Technology which is able to support a wide variety of applications in telematics, automotive, industrial and communications market segments where increasingly sophisticated products are designed for operation in demanding environmental situations.  [2003-4-3 10:44:42]
[问:9982] 请问:采用Intel XScale(tm)I/O处理品在综合存储和智能通信方面有哪些性能?怎样进行存储扩展?需要利用FPGA/CPLD器件进行存储扩展吗?有无介绍存储控制器的VHDL源码? 
[答:Choon_Yee] Memory capacity is fixed for each processor. E.g 80321 can support 1G SDRAM 64 bit or 512M for 32 bits.  [2003-4-3 10:45:28]
[问: hawkwhj] intel 80200的处理速度与intel960RN相比提高了多少 
[答:Choon_Yee] speed for i960RN is only 100MHz and Intel max speed for 80200 is 733MHz.  [2003-4-3 10:47:39]
[问:willam _gann1] Intel? XScale与intel strongARM有什么区别?我们现在有的是intel strongARM,想升级到Intel? XScale需要做一些什么改动? 
[答:Choon_Yee] Intel Xscale is based on ARM5 VTE architecture. For migration you"ll need some minor modification on the source code. Please refer to the http://developer.intel.com/design/iio/docs/iop310.htm  [2003-4-3 10:53:18]
[问:hwj2008] Intel XScale平台上,I/O的存储频率最快能达到多少? 
[答:Choon_Yee] For the case of 80321, since it is sitting on the PCI-X bus the throughput is about 1.06GB/s (theoretically)  [2003-4-3 10:56:19]
[问:leefuyong] 80321内部没有PCI桥,如果我们要在80321的PCI总线上接多个外设,我应该怎样设计,最多可以接多少外设。 
[答:Choon_Yee] it depends on application. If the 80321 is sitting at the secondary bus of a PCI-X bridge, the number of loading depends on the speed, it can vary from 9 to 2. [2003-4-3 11:03:50]
[问:lfp5558 @sohu.com] 采用Intel? XScale(tm) I/O处理器有哪些优点?使用中应注意什么问题?如何解决? 
[答: Tom_WANG] XScale technology has the benifit of "very low" power and high performance. It compatible with ARM V5TE. At normal case, you can save heat sink, fan,... cost on one system. Besides this, price/performance is the leading at industry. Other benifits is the module related to IO, as XOR, cache, ATU,.. to help customer resolve high demaning IO activity. Since it is alreayd mature technology, we don"t expect customer developing product has critical issue. We have dedicated TME supporting you  [2003-4-3 11:07:26]
[问:zths] Intel XScale常见的应用领域是那些,做需要大量数据运算的合适么? 
[答: Tom_WANG] Intel IO processor based on XScale technology fit in best on where product need IO, as network IO and storage IO. Field like TCP/IP, RAID related, iSCSI, NAS, and SAN field are fields IO processor can fit in. HW XOR, data cache, ATU and high perforance processot core can meet all these demand.  [2003-4-3 11:09:39]
[问:guilin @263.net] 请问其单价和开发系统单价是多少?请问开发系统好用吗?有何特点?RTOS有那些?调试方便吗? 
[答: Tom_WANG] Price has to get it from your local Intel sales. As for development system, it roughly from USD 1.6K ~ 4K, based on your tool demand. Intel IO processor has most of OS supporting, even SW solution included. OS like Linux, IxWork,... more than 12 kinds. Since IOP evaluation board is quite mature, we don"t expect the development enviroment would be the issue to you. We even has customer reference design roadmap for customer to refer at different product segment. Which, hardware and software reference design are ready  [2003-4-3 11:13:13]
[问: xuzhiping] 低层应用软件是不是用C语言编写的,能不能用于嵌入式系统的开发?如可以是用什么操作系统?  谢谢! 
[答: Choon_Yee] Application can be developed in C and embedded platform. The OS that we support are embedded Linux, Vxwork & etc  [2003-4-3 11:13:18]
[问:程军] xscale的功耗是多少?如何得到该处理器的资料和样板设计资料。 
[答: Tom_WANG] The power consumption at 733MHz, 1.6V enviroment cost about 0.8W. different voltage at different speed could be even lower. You can either go on developer.intel.com, or get Intel Disti/sales get this infrmation. If you can"t find one, let me know I can help you. my e-mail is tom.wang@Intel.com  [2003-4-3 11:15:45]
[问:dryyc] How about the performance of PCI bus when xscale controls 4 PCI devices concurrent? And how to optimize performance ? Thank you. 
[答: Kee_Tiong] The PCI performance for XScale will depend on whether the IO interface for this XScale is configured/capable of PCI or PCI-X mode. For 4 PCI devices, a PCI-X bus can typically can go up to 100MHz, so for 80321 with 4 PCI devices, maximum performance should be able to reach ~800MHz.In order to optimize the performance, one of the easy way is to make sure none of the 4 PCI devices will bring down the PCI-X bus to PCI mode.  [2003-4-3 11:16:01]
[问:ljp] I/O处理器中存储器的速度能达到多少?相应的带宽呢? 
[答: Zetao_LI] Up to 1GB 64bit PC200 DDR SDRAM;40 and 72 bit MEM interface  [2003-4-3 11:16:14]
[问:ljp] 80200处理器能实现PCI到SCSI的桥接吗? 
[答: Choon_Yee] Yes, it can. You"ll need FPGA as the glue logic between 80200 and PCI bus. Then your SCSI device can sit on the PCI bus.  [2003-4-3 11:16:52]
[问:qin] I/O处理器有多少种卸载功能?能否举例说明? 
[答: Zetao_LI] 您所指的卸载的含义?  [2003-4-3 11:18:29]
[问:min] For Nas, what"s advantage use IOP , not EID? 
[答: Tom_WANG] EID has the benifit of OS and application support due to X86 enviroment. at specifit NAS product, which, normally need networking and sotrage management, and these two field could be waht IOP good at. e.g. IOP has XOR, data cache and ATU help you handle huge IO activity. Though X86 support general purpose demand. beside this, low power and high performance is one velue to x86, IOP at 800MHz at 1.6V cost about .8W, in response to Pentium at 1G about 15+.  [2003-4-3 11:19:14]
[问:herohu] 请问Intel有什么样的合作措施和服务以促进和支持客户的开发? 
[答: Tom_WANG] we developed customer reference design roadmap for different product, like NAS, external storage, communication ,.. We define Intel software vendor support OS and SW, where, Intel hardware vendors develope various HW board for different usage. We also had WW technical support team support customer on development need. we have about 10+ support engr. at APAC. We also conduct by customer training and direct con-call to educate customers.  [2003-4-3 11:22:07]
[问:samire] Intel 能否提供MU源代码?免费码? 
[答:Lai_Teng] 能。http://developer.intel.com/design/iio/docs/iop321.htm  [2003-4-3 11:22:45]
[问:ljp] 能和8位/16位的闪存接口吗?存储器的最大容量有多大? 
[答: Choon_Yee] YEs the PBI bus can support 8/16/32 bits. For 80321 it can support 1GB of memory.  [2003-4-3 11:23:54]
[问:lts518] 采用Intel? XScale(tm) I/O处理器主要应用在哪些领域?给人们带来什么更好的体验? 
[答: Tom_WANG] Intel IO procssor based on XScale technology, with HW XOR, data cache and other modeul help customer design high volume of IO activity application. Product like storage and networking IO demand. Since the marketshare WW is very high now, we expect this product line is a good procssor to help revolve IO related development issue. Field like TCP/IP, iSCSI, NAS, SAN related, RAID managment, RAID on server,..  [2003-4-3 11:24:57]
[问: huibin2000] 请问80200是否适用于图像实时处理方面的应用? 
[答: Choon_Yee] Yes, but you"ll need an AGP to handle your graphic processing.  [2003-4-3 11:25:46]
[问:min] For Nas, what"s difference   using IOP and EID? 
[答: Tom_WANG] it mostly on lower power and high perfromance, 800MHz at 1.6V need about .8W. IOP also has HW XOR, data cache and other modeul to focus on IO related design. In response to EID, X86 need higher power and is general purpose processor.  [2003-4-3 11:26:56]
[问:samire] Intel 能否提供MU库?价格如何? 
[答: Tom_WANG] Please talk to Intel sale or Intel disti on pricing. if you can"t find one, I can help you on this. my mail is Tom.Wang@Intel.com  [2003-4-3 11:27:56]
[问:hwj2008] I/O处理器的存储应用设计中,应该注意哪些方面? 
[答: Lai_Teng] Please refer to our design guides available online.For IOP321, http://developer.intel.com/design/iio/docs/iop321.htmor http://developer.intel.com/design/iio/ for other Intel I/O processors product line. [2003-4-3 11:28:51]
[问:zhou yunhui] 能否提供用80321做RAID卡的一些示例程序? 
[答: Choon_Yee] No, we do not provide any reference code in RAID application. You"ll need to develop them or license it from the RAID vendors.  [2003-4-3 11:29:17]
[问:qin] 和其它处理器相比,Xscale微结构在速度和功耗上的有什么样的优势? 
[答: Tom_WANG] Intel IO processor based on XSCale technology. Power/performance is about 10 times lower than StronARM. E.g. 800MHz at 1.6V enviroment about .7W. In the future, we will have 1GHz+ and it probably cost only 1.+W. power per MIPS only 1/3 of StrongARM processor.  [2003-4-3 11:30:32]
[问:jackton] 为了覆盖Flash中的内容,FRU软件是否只能在DOS环境下创建? 
[答: Choon_Yee] Yes, our FRU only work on DOS.  [2003-4-3 11:32:30]
[问:liangxp] 用xcale开发如MPEG4的应用,如果只用软解压,速度能跟上吗? 
[答: Choon_Yee] Our IOP can decode MPEG4 but you"ll need an AGP to improve your performance.  [2003-4-3 11:34:44]
[问:hui bin2000] 80200与DSP(TI的6000)相比有什么区别? 
[答:Tom_WANG] C6000 series from TI target at high performance demand, 1500MIPS to 6000MIPS. also has floating point included.The pricing segment is a lot higher than 80200. 80200 will target at 400~800MPIS at very lower power consumption, from .5~.8W. 80200 is pure CPU with no IO module like memory hub, bridge,..  [2003-4-3 11:35:50]
[问:olive] 80200和80312主要应用领域是哪些? 
[答: Choon_Yee] 80200 and 80312 combine togather as 80310. It has a PCI interface and it is suitable in all PCI related application, mainly in Storage.80200 itself is only the core and it is more flexible. You need an FPGA to interface with it and your application depends on what you have programmed on your FPGA.  [2003-4-3 11:39:14]
[问:xchjg] StrongARM是否要停产,另外XScale直接进行MPEG4可以吗?速度与功耗怎样?
[答: Tom_WANG] As far as I know SA110 already plan for EOL in the near future. Please talk to Intel sales or disti on exact date. MPEG4 decoder can hook under PCI. at seperate HW MPEG4 decoder, it could cost 4W more but will not occupy CPU bandwidth. if you use SW to support MPEG4, I suggest to use IOP at more than 600MHz. IOP at 600MHz cost only about .7W  [2003-4-3 11:40:00]
[问: tomora76] 1、成本怎么样?2、Intel能给与什么样的支持? 
[答: Tom_WANG] Please talk to Intel sales or disti on the pricing. We offer customer reference design roadmap and evaluation plus OS and JTAG support on development. Since it is quite mature and we do have APAC team at 10+ engrs. support customers.  [2003-4-3 11:41:46]
[问: happyhua] 请问目前支持XScale的RTOS有哪些?他们提供哪些开发工具? 
[答:Lai_Teng] ATI Nucleus, Green Hills Integrity, Kadak RTOS, LynuxWorks, BlueCat, MontaVista, Red Hat eCos, Wasabi NetBSD, Wind River VxWorks* and IxWorks  [2003-4-3 11:43:18]
[问:qin] Intel I/O处理器有单片结构的吗? 
[答: Tom_WANG] yes, we have 80200 as last 2-chip solution. in the future, all IOP will be single chip and SOC.  [2003-4-3 11:43:22]
[问:peng_kai] Intel XScale平台上对无线通信的支持有哪一些? 与strongARM 的控制上有什麽区别? 
[答: Tom_WANG] The question refer to PXA250, please send me mail I will forward to PM rspobsible for this my mail tom.wang@intel.com  [2003-4-3 11:44:45]
[问:dryyc] 采用Intel 提供的 80321 的评估板 和 LSI SCSI-HBA,可以构成 Disk Array 的硬件开发平台吗? 
[答: Choon_Yee] Yes it can. But you"ll need to develop your managenent software.  [2003-4-3 11:45:27]
[问:ljp] 请问Intel能提供第三方的软件工具吗? 
[答: Lai_Teng] Yes, Please refer to our website on Intel & Development tools at http://developer.intel.com/design/iio/devtools/index.htm  [2003-4-3 11:45:51]
[问:yan.xin] 80200用于手机设计如何降低功耗? 
[答: Tom_WANG] 80200 can"t use on mobile phone, we have other processor bsed on XScale technology support customer on mobile phone design. send me mail I can forward to right person. tom.wang@intel.com  [2003-4-3 11:45:53]
[问:dryyc] 能够推荐 几款 RTOS以用于RAID开发吗?另外,请问有公司提供其中的 RAID Software Stack 吗?谢谢。 
[答:Lai_Teng] Please refer to previous answer to question on RTOS OS. Intel does not provide RAID software stack.  [2003-4-3 11:49:58]
[问:dryyc] 采用80321设计Disk Array,与采用PowerPC+ASIC相比,有何优缺点? 
[答: Tom_WANG] 80321 is designed dedicate for storage IO product, like external rAID and .. Where PowerPC has to use ASIC to resolve IO issue. 80321 use the latest XScale technology where PowerPC already reach the limitation soon. Power/performance is a lot better use IOP321.As for future product plan, IOP will have product 1.5G or higher soon where I think PowerPC has micriarchitecture issue to go higher  [2003-4-3 11:51:05]
[问:billytu] 能否可以得到试用版?如何取得?谢谢。 
[答:Tom_WANG] Please talk to Intel sales or Intel disti. let me know if you have issue. tom.wang@intel.com  [2003-4-3 11:52:54]
[问:fa91@ sohu.com] 请问你们的处理器如何解决高频带来的电磁兼容问题 
[答: Lai_Teng] Our design guide will be able to provide you a better understanding on ways to reduce EMI.http://developer.intel.com/design/iio/docs/iop321.htm or http://developer.intel.com/design/iio/  [2003-4-3 11:53:23]
[问:lqj66 @sohu.com] 请举例说明如何应用,需要的外围器件。 
[答: Tom_WANG] IOP can use as host processor on external RAID, NAS and embedded processor. for further need, customers can use PCI architecture to hook more module  [2003-4-3 11:53:53]
[问:xchjg] XScale 与TI的OMAP处理器在媒体信号处理方面相比XScale的优势在那里? 
[答: Tom_WANG] This is the question related to mobile phone design. Please send me a mail I can forwar dyou to right person. tom.wang@intel.com  [2003-4-3 11:54:46]
[问:jackton] 下载图象信号到Flash中,有无容量限制? 
[答: Choon_Yee] Yes, the maximum capacity is 4Gb. But you will need store the initialization code and bootstrap. Therefore you"ll have less then 4GB of capacity.  [2003-4-3 11:55:22]
[问:leefuyong] 如果我们买IQ80321评估板我们会得到哪方面的技术支持?我们是否会得到软件提供商的相关支持? 
[答: Tom_WANG] Yes we have OS and application included in EVA board package. as far as I know, some os vendors has about 1~3 months free support. long or short period support will based on different OS and SW vendors  [2003-4-3 11:56:15]
[问:Jennifer _Leong] Please explain more on IOP321 increased I/O flexibility. 
[答: Tom_WANG] Intel IO processor alreay has HW XOR, data cache, address translation unit, DDR and other module especially design for IO related product, networking and storage IO.  [2003-4-3 11:58:05]
[问:qin] I/O处理器在PCI总线上的突发传输速度能达到多少?在局域网呢? 
[答: Choon_Yee] The max. speed for PCI is 66Mhz which means the throughput will be 528MB/s. In the case of LAN it depends on your LAN speed.  [2003-4-3 11:59:31]
[问:lengchip] xscale提供媒体处理方面的库吗? 
[答: Tom_WANG] is it multimedia? we can use IO performance or seperate decoders  [2003-4-3 12:00:35]
[问:Jennifer _Leong] Is the Intel 80200 processor based code compatible with the Intel? StrongARM* SA-110 processor? 
[答: Lai_Teng] Yes  [2003-4-3 12:00:48]
[问:ecnan jing_EBY7E] 能否用IOP321开发硬盘阵列管理,如可以可管理多大容量的硬盘阵列? 
[答: Choon_Yee] Yes, you can use 80321 to develop Disk Array. The capacity depends on your management software.  [2003-4-3 12:02:15]
[问: samire] 请解释一下“非透明”PCI桥接器和“透明”PCI桥接器的区别。 
[答:Kee_Tiong] Both transparent and nontransparent bridge allow designers to add more PCI devices or more PCI option card slots than a single PCI bus can support. However, non-transparent bridges differ from standard, transparent PCI-to-PCI bridges by allowing independent mapping of primary and secondary bus address spaces, a key benefit when local devices require large address maps. Nontransparent bridge is normally used when there are two processor domain one in the primary PCI bus while the second on the secondary PCI bus. You can get more detail information at this URL http://developer.intel.com/design/bridge/  [2003-4-3 12:02:24]
[问:farer] 请问一下,目前能在XScale上运行的RTOS主要有哪些? 
[答: Lai_Teng] ATI Nucleus*Green Hills Integrity*Kadak RTOSLynuxWorks BlueCat*MontaVistaRed Hat eCos*Wasabi NetBSDWind River VxWorks* and IxWorks*  [2003-4-3 12:02:53]
[问:dryyc] 如果基于80321+IxWorks开发Disk Array Controller,软件工作中,如果无法获取其它资源,例如 BSP、SCSI 驱动、RAID模块,请问您怎样估计工作量大小 和 资源需求情况?谢谢。 
[答: Choon_Yee] It depends on your experience in those area. It varies for each individual.  [2003-4-3 12:03:59]
[问:dryyc] 采用80321设计Disk Array,应注意些什么? 
[答: Lai_Teng] please refer to the design guides and manual at http://developer.intel.com/design/iio/docs/iop321.htm  [2003-4-3 12:05:42]
[问:jackton] IOP310是3.3V系统,如何支持主板的5V芯片组? 
[答:Choon _Yee] You may use Voltage regulator.  [2003-4-3 12:08:17]
[问: eebyte] 请教一下PCI-X的主要应用场合,PC主板将来会用到吗? 
[答:Kee_Tiong] PCI-X is used when the application needs high performance e.g. server related application, gigabit/10-gigabit ethernet or storage related application. There are new interconnect technologies that was introduced lately, one of it is the PCI-Express. Personally, I think PCI-Express will be used in PC, but I doesn"t rule out PCI-X might also be use in the PC board.  [2003-4-3 12:09:01]
[问:herohu] 此处理器中的I2O特性主要有哪些应用? 
[答: Tom_WANG] Intelligent IO meant to help customer resolve IO command between PCI, memory. It help customers develope product with higher efficiency on IO related activity  [2003-4-3 12:11:06]
[问:jackton] 在IOP310中ARM Boot Monitor 起什么作用? 
[答:Choon_Yee] the Boot Monitor consists initialization code, boot loader and some simple flash programming.  [2003-4-3 12:12:20]
[问: hwj2008] 现场编程怎样嵌入I/O处理器的存储应用设计? 
[答:Tom_WANG] what is 现场编程? please send me mail to tom.wang@intel.com  [2003-4-3 12:12:37]
[问:ljp] PCI-X和PCI的主要性能差别,请详细介绍一下。 
[答:Kee_Tiong] Besides the maximum frequency supportdifference between PCI-X (133MHz, 266MHz and 533MHz) and PCI (66MHz) there are also protocol differences between PCI-X and PCI. PCI-X protcol use the bus more effiently e.g. introduction of allowable disconnectin in PCI-X and attribute data for  transactions has improve the performance of PCI-X. E.g. for the same frequency, there can be upto 34% improvement of performance of PCI-X compare to PCI.  [2003-4-3 12:13:06]
[问:qin] 使用I/O处理器后能使主处理器的带宽或吞吐量增加多大? 
[答: Choon_Yee] We don"t have the data at the moment.  [2003-4-3 12:13:54]
[问:qin] 和PLX公司的PCI9656相比,有何优点? 
[答: Kee_Tiong] Sorry, I have no information on PLX"s PCI9656 so can"t provide the information required.  [2003-4-3 12:14:42]