explain feature of 8257 dma(direct memmory access )controller?
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yeah it is a pretty interesting subject
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physical data network transmission session ---Application
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SM581000A-7 is listing as a SIMM memory module. It was used in PC's back in the 80286 and 80386 days.
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8000 x 8 bits = 64Kb/s \n24 x 64Kb/s = 1536000 - \nremenber that the signalling/timing channel will take up one of the 24 channels\n(in the U.S.A I beleive they call it a T1 circuit - 23 data 1 signalling/timing....here in the U.K. E1 32x64Kb/s thats 30 data, 1 timing, 1 signalling)\n\nas for the data storage sounds like you could look at it like this:\n3 mins ->\n3 x 60 = 180\n180 x 64000 = 11.5Mb for one 3 min message (bits)\ntherefore 11.5Mb /8 = 1.44MB for one 3 min message(Bytes)
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Good site that explains it.\n\nhttp://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci549024,00.html
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If you are looking for a centralized management which I belive you would like to setup, then you will have to convert your windows 2003 macine to domain controller by using the dcpromo command and then you will have to join rest of the computers as a member of the domain. \n\nMake sure you use TCP/IP configuration correctly and on top of it the DNS configuration is the most important part of it since Windows XP machines looks in to the DNS configuration to locate domain controllers. \n\nHope this will help if you need additional information on how and what email me.
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which port does it control? sometime you can buy pcmcia cards to do some functions. you wont find an individual chip whithout full numbers. and good luck soldering. MIKE
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For the same reason that a user program can't directly\nscribble on the raw disk or tweak the device registers\non any other peripheral.  \n\nThe OS is there to mediate access between multiple\nprocesses (and sometimes multiple users).  The networking\nstack can be written "knowing' that the device drivers\nwill create well-formed packets and "follow the rules".\n\nIf you really want direct access, build your own device\ndriver (or even your own variant of the Linux kernel)\nand you can control both the horizontal and vertical.
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I assume what you're talking about is the amount of RAM available to your system, which can be found out without doing a reset of your computer. Go to Start > Run and then type in "dxdiag". The amount of memory available will be on the first page.
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u lucky....it's a scsi standard. better than normal scsi, sometimes referred as ultra-scsi, has less limitations of cable lenght and higher input/output speeds.\n\nlvd (low voltage differential)
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This is a 18-pin microcontroller to control the moving display in 7X60 matrix of LEDs. this is programable.\n\nyou can get more in formation from here. this is manual of this prodct..\n\nhttp://www.zilog.com/docs/z8/appnotes/an_msgdisp.pdf\n\nplease check
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i am a hardware tech ..use this simple step\n[Start] \n[Run] \n[Regedit]\nRegistry Key: HKEY_LOCAL_MACHINE&#92;System&#92;CurrentControlSet&#92;Services&#92;LanmanServer&#92;Parameters\nModify/Create the Value Data Type(s) and Value Name(s) as detailed below.\nData Type: REG_DWORD [Dword Value] // Value Name: Autodisconnect\nValue Data: [Enter a new disconnect time. Use Hexadecimal if you are unfamiliar with Binary]\nExit Registry and Reboot
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(ISA): Industry Standard Architecture \nThis type of slot is the oldest still in use today. If you open up an old 286, you'll see a few of these. An 8-bit ISA slot is capable of 0.625MB/sec transfer rate between the card and the motherboard. Later versions of this slot were 16-bit, capable of 2MB/sec. This is still slow compared to today's standards, but cards such as modems do not require anything faster than this. If you look at your motherboard's slots, the longer black ones are the ISAs. If they are all one size, they are all ISAs. Modern boards are not boasting any more than maybe two of these bad-boys, only because people only use them for their modems or older cards that haven't yet replaced. Most boards no longer have any ISA slots, moving completely to PCI. \n(EISA): Enhanced Industry Standard Architecture \nThis type of slot is not used very often in desktop machines. It is used mainly in servers, or computers that host networks. With such a computer, the demands placed on its components are too big for ISA to handle. Also, the EISA bus is capable of bus mastering, which allows components attached to the bus to talk to each other without bothering the CPU. This feature is much like SCSI and speeds up the computer quite well. Like ISA, this slot has all but gone. \n(MCA): Micro Channel Architecture \nNot too common either, this bus was created by IBM. It is 32-bit, like EISA, but you can't stick ISA cards into it. MCA was capable of bus mastering, plus it could look at other devices plugged into it and identify them, leading to automatic configuration. MCA also produced less electrical interference, reducing errors. MCA is history.\n(PCI): Peripheral Component Interconnect\nPCI was developed by Intel, like the VL-Bus. It is different than the VL-Bus except that it runs at the same speed. There is a fast interface unit between the card and the CPU that does the talking. This unit made the bus independent of the CPU. The dependency was a drawback of the VL-Bus, which was limited to the 486. Also, you can plug cards into it without any configuring. The bus is self-configuring, leading to the plug-n-play concept in which each add-on card contains information about itself that the processor can use to automatically configure the card. This slot is most popular with Pentium and later machines, although occasionally you will see one on a 486.\n(PCMCIA): Personal Computer Memory Card International Association \nThis is a special socket in which you can plug removable credit-card size devices. These circuit cards can contain extra memory, hard drives, modems, network adapters, sound cards, etc. Mostly, PCMCIA cards are used for laptops, but many PC vendors have added PCMCIA sockets to their desktop machines. The socket uses a 68 pin interface to connect to the motherboard or to the system's expansion bus.\nThere are three types of PC cards: Type 1 slots are 3.3mm thick and hold items such as RAM and flash memory. Type 1 slots are most often seen in palmtop machines or other handheld devices. Type 2 is 5mm thick and I/O capable. These are used for I/O devices such as modems and network adapters. Type 3 is 10.5mm thick and used mainly for add-on hard drives.\n(AGP): Accelerated Graphics Port\nAGP is a bus technology designed specifically for graphics cards. The bus sits directly on the system frontside bus, giving it direct access to the CPU and the system memory. This means it is not hampered by the slower speeds of the PCI bus.\n(PCI-E): Peripheral Component Interconnect Express\nThis is the newest implementation of the PCI computer bus that uses existing PCI programming concepts, but bases it on a completely different and much faster serial physical-layer communications protocol. The physical-layer consists not of a bus, but of a network of serial interconnects (because synchronization of parallel connections is hindered by timing skew) much like twisted pair ethernet. A single hub with many pins on th
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Possibly this is due to the following: MTU may be set too low. Set MTU to 1492 or a higher number. This setting is most probably in the basic setup screen.\n\nAdditional info:\n\nYou need to login to the Router Web based admin console and then look for MTU setting. If you find it, change it to a higher value and try again. I have experience this before in a D-Link router. Here is another user talking about it:\nhttp://www.practicallynetworked.com/qa/qa20050310.shtml
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http://www.microsoft.com/windowsserversystem/dsi/default.mspx
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try this site;\nhttp://www.mplans.com/spm/
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Best to check out the technical documentation on it. See sources for a link.