According to the second-hand car information, this is the 2005 BMW 7 Series 730Li, which was launched in September 2007 and exercised 250,000 kilometers.
According to the owner of the car, the 2005 BMW 7 Series 730Li was sold at a price of 1.08 million. It is now planned to sell at a price of 100,000.
The car is equipped with ABS, cruise control, variable suspension, variable steering ratio, electric sunroof, keyless start, steering wheel shift, power seat memory and more.
The power is equipped with a 3.0-liter 6-cylinder naturally aspirated engine with a maximum horsepower of 258 and a maximum torque of 300 Nm, matching the 6-speed manual transmission.
The 2005 BMW 7 Series 730Li sold for 1.08 million when it first appeared, and now it will reach 100,000. Even if it is second-hand, the opinions of customers will be better than the average car. Will you consider such a used car?
Small computer system interface (SCSI) is an independent processor standard for system level interfaces between computers and intelligent devices (hard disks, floppy drives, optical drives, printers, scanners, etc.). SCSI is an intelligent universal interface standard.
1. SCSI can support multiple devices, SCSI-2 (fastscsi) can connect up to 7 SCSI devices, and widescsi-2 can connect 15 SCSI devices. In other words, all devices only need to occupy one IRQ. At the same time, SCSI also supports a wide range of devices, such as CD-ROM, DVD, CDR, hard disk, tape drive, scanner, etc.
2. SCSI also allows one device to transfer data and another device to look up its data. This can achieve higher performance in multitasking operating systems such as Linux and windows NT.
3. SCSI occupies a very low CPU, so it has obvious advantages in multitask system. Since the SCSI card itself has a CPU, it can handle all the transactions of SCSI devices. When the host CPU sends work instructions to the SCSI card, the SCSI card will work by itself. After the work is finished, the work results will be returned to the CPU. In the whole process, the CPU can carry out its own work.
4. The SCSI device is also intelligent. The SCSI card can queue CPU instructions by itself, which improves the work efficiency. In multitasking, the hard disk will be in the current head position, and the adjacent tasks will be completed first and then processed one by one.
5. The fastest SCSI bus has a bandwidth of 160MB / s, which requires the use of a 64 bit 66MHz PCI slot. Therefore, the maximum speed that can be achieved in the PCI-X bus standard is 80mb / s. if it is used with a dedicated hard disk with 10000rpm or 15000rpm, it will bring obvious performance improvement.
SCSI-180°DIP Section
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