How to avoid network downtime?
A network of any company or organization is created to provide users with easy access to information, applications and network services. However, both company’s productivity and revenues can suffer significantly…

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The Iron Problem of 2000
The 2000 issue is already becoming a hot topic. Moreover, a little more than 200 days remain before its onset. The point is that, for a number of reasons, in…

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IDE Interface Features
The main requirement of the recording device to the interface is the ability to continuously transmit data to it during the recording process. Requirements for the speed of receipt of…

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information

Z-tracks

In devices with a moving coil there are no pre-fixed positions. Instead, they use a special guidance system (positioning), which accurately brings the heads to the desired track.

The system of precise guidance of the heads on the tracks is called a servo drive, and for its operation a feedback signal is required that carries information about the real relative position of the tracks and heads.

Temperature fluctuations do not affect the accuracy of the drive. When compressing and expanding disks (rotation, temperature), all changes in their sizes are monitored by a servo drive and the positions of the heads are adjusted. Continue reading

Zip Technologies: Pros and Cons

Since the creation of the FDD 3.5 “1.44 MB high-density, a lot of time has passed and this type of media has not undergone any changes during this period, while many details of the computer” survived “the revolution. The growing volumes of files and the need for them reliable storage and transfer required the emergence of an alternative device that could eventually supersede this standard accepted at the moment around the world. Continue reading

SPD EEPROM Specification

In addition to the description of the transmission interface, I2C information, the PC SDRAM Serial Presence Detect (SPD) Specification specification defines the information recorded in the EEPROM by the manufacturer. The need for such a specification was caused by the fact that the main problems when installing SDRAM in computer systems are associated with incorrect interaction between the BIOS on the motherboard and the EEPROM on the memory module.

The fact is that many Taiwanese motherboard manufacturers using the Intel 440BX chipset install their own BIOS, which has the function of disabling the reading of information from the EEPROM. In this case, the system parameters are set manually when entering SETUP, or the BIOS itself sets the system parameters for working with standard memory. Continue reading

Zip Technologies: Pros and Cons
Since the creation of the FDD 3.5 "1.44 MB high-density, a lot of time has passed and this type of media has not undergone any changes during this period, while…

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Information Disaster April 26
In April, the biggest problem of the month related to computers can rightly be considered the epidemic of the Win95.CIH virus - Chernobyl. Everyone is used to the presence of…

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Work "the old fashioned way"
Traditionally, if there are 2 ... 3 computers in the office, they communicate with each other by a peer-to-peer network. This is a network in which all computers are equitable.…

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Golden Disks and IDE
The problem of recording "golden" discs has already been covered on our website (as well as in the journal CHIP, No. 8, 1999). However, the problems continue. Only, if earlier…

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