Gateway Serial
Gateway Serial
Scsi Hard Disk Drive Standard
In 1986, SCSI standard and the ATA standard both were introduced in the same year. Enhancements have been made in SCSI standard especially in the critical areas like the bus speed, speed, quantity of devices that can be attached and the bus speed. SCSI (Small Computer System Interface) is called as scuzzy. Small Computer System Interface like SATA (Serial Ata) or ATA (Advanced Technology Attachment) can be utilized for other purposes rather than just connecting the hard disk drives to the computers like connection of other peripherals that include scanners, printers, optical drives and tape drives.
Host Adapter is needed so that the SCSI Hard Drive could be connected to the motherboard. Besides being a processing center, this acts more like gateway for transferring data. When heavy data is being processed, the resources of the system remain freed up because of the SCSI controller. The bulk of work is done by the individual hard drive controllers. The individual Scsi Hard disk does not require power from CPU and therefore can directly communicate. On the other hand the SATA or Ata Hard drives depend on the processing of the system for communications. Scsi Adapter has the capacity to support up to fifteen hard disks or other devices.
There are different physical connections that are used by the hard drives for connecting to the system. Blocks of pin connection called as headers and are located on the latest desktop motherboards. They support the SATA connector (7 pin) or/and the ATA connector (40 pin). Built-in adapters are found in high end motherboards because of the specialized features of SCSI. The number of header pins may be 80, 68, 50 or 25 which depends on the type and age. SCSI adapters (stand alone) are available for slots of PCI-X or PCI (Peripheral Component Interconnect). They can be chosen to match the hard disks on hand.
Cables with which the SCSI hard drives are connected are also different not on the basis of the quantity of pins required for connection but also due to the number of hard disks on one channel. More hard disks can be added to the SCSI channel by chaining the cables together. At the end of line, a device needs to be installed so that the channel can detect the chain’s end. Terminator is used for this purpose. This cable has a terminator that is removable. Three connectors are featured in this cable for the Scsi Ultra-160 hard disks. Each hard drive has set of switches or jumpers so that the system can identify all the devices on a Small Computer System Interface bus.
SCSI-ID or unique value is required by each of the hard disk. Unique value is made possible by configuration of the jumpers. SCSI-ID on a system that is able to support sixteen devices will translate number which would be between zero and fifteen. SCSI-1 standard was parallel interface. SCSI-1 offered 5 MB/sec transfer speed on 5 megahertz, 8-bit wide bus. This 1 controller channel could connect up to eight devices. SCSI ultra-320 is also parallel interface. SCSI ultra-320 supports 320 MB/sec transfer rate on 40 megahertz, 16-bit wide bus. Sixteen devices can be connected by the adapter on one channel. These devices normally are 15 hard disks and 1 adapter. ATA 133 standard is parallel interface. It supports up to 133MB/s Data Transfer speed on 33-MHz, 16-bit wide bus. One channel of ATA 133 can connect two devices.
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My computer says I have a Gateway e-4000, but my serial number says Gateway 500 S Plus .. Im confused?
According to Crucial.com's scans, Lyalyst Everest Home edition, and msinfo32.exe, my computer is a Gateway e-4000. But the serial numbeer on the front and back of my computer case says I'm using a Gateway 500S Plus. I'm not sure what to belive, because i'm buying new RAM and I don't wanna get the wrong thing.
Gateway has a way of double posting computers. Your best bet is to go to the Gateway site and let it scan your system...then act accordingly.
JESUIT - gadget@TTS -Ep55- Gateway P-171XL FX Laptop
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128MB Security Svcs Gateway 5 with Serial Backup Memory $587.77 128MB SECURITY SVCS GATEWAY 5... |
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Cables and Connectors | admin | 
February 24, 2010 7:26 am
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