IBM 4690 manual Drive-Performance Specications, Environmental Requirements

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Drive-Performance Speci®cations

The following table lists the performance speci®cations for the tape drive .

Drive Performance

Feature

Speci®cation

Capacity

4.0 GB, 900 Oe2 740 feet Travan cartridge

Effective backup rate

30 MB per minute typical

 

 

Data transfer rate

300/450/600 KB per second

 

 

Tape speed for Read/Write and

33, 51, or 77 ips

Search/Rewind

90 ips maximum

 

 

Recording method

Serpentine

 

 

Recording format

QIC 3095MC

 

 

Recording code

1,7 RLL

 

 

Error recovery

Reed Solomon ECC

 

 

Recording unrecoverable errors

Less than 1 in 10⁹ data Mb

 

 

Head con®guration

Wide write/narrow read

 

 

Recording media

900 Oe 740 feet Travan

 

 

Cartridge size

3.2 in. x 2.4 in. x 0.4 in.

 

(81 mm x 61 mm x 10.2 mm)

 

 

Synchronous transfer rate (burst)

5 MB per second maximum

 

 

Asynchronous transfer rate

5 MB per second maximum

(burst)

 

 

 

Soft errors

less than 1 in 10⁶ bits

Environmental Requirements

The following table lists the environmental speci®cations for the tape drive. You can mount the drive either vertically or horizontally.

Environmental Requirements

Speci®cation

Operational

Nonoperational

Temperature

+41° to +113°F3

−40° to +149°F4

 

(+5° to +45°C)

(−40° to +65°C)

 

 

 

Thermal gradient

1°C per minute

20°C per hour

 

(no condensation)

 

 

 

 

Relative humidity

20% to 80% noncondensing3

5% to 95% noncondensing4

Max wet bulb temperature

78.8°F (26°C)

No condensation

 

 

 

Altitude

−1000 to +15 000 feet

−1000 to +50 000 feet

2.Oersted (Oe)

3.Mechanism and media

4.Mechanism

20TR-4 Tape Drive User's Guide

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Contents IBM Page IBM Page Contents Iv TR-4 Tape Drive Users Guide Trademarks Aispo AIXVi TR-4 Tape Drive Users Guide How This Manual is Organized PrefaceWho Should Read This Manual Related PublicationsIBM 4680 and 4680-90 General Sales Application Store System Related Publications Ð Hardware IBM 4694 Point-of-Sale TerminalsGeneral Publications ScannersIBM Local Area Network Support Program, IBM P/N Xii TR-4 Tape Drive Users Guide Overview Name Manufacturer Model Number Part NumberCompatibility with the Floppy Drive Description Machine TypePreparing for Installation Tape Drive InstallationInstalling the TR-4 Eide Tape Drive Conguring the IDE DriveConguration Master on primary IDE Slave on primary IDE none Master on secondary IDE Mounting the Drive Completing the InstallationAttaching the Cables Installing the TR-4 Scsi Internal Tape Drive Planning Your Scsi CongurationConguring the Scsi Drive Bit 2, Pin 5 Bit 1 Pin 3 Bit 0 Pin 1Attaching the Scsi and Power Cables Installing the External Scsi DriveConguring the Drive Installing the Software Upgrading the FirmwareEnabling the Feature Selecting the Correct Eide Tape DriveLoading and Unloading Tape Cartridges Using the Tape DriveSetting the Write-Protect Switch Reviewing Performance ConsiderationsErasing a Tape Checking the Reliability of the Tape DataListing a Tape MessagesUsing the Tape Drive E029 ± Make sure there is only one tape drive installed W680 W680 Streaming Tape Drive is TOO HOT B4/S055/E038 Severity18 TR-4 Tape Drive Users Guide Tape Drive Specications Power RequirementsPower Specications Physical SpecicationsDrive-Performance Specications Drive Performance Feature SpecicationEnvironmental Requirements Regulatory Compliance Tape Cartridge Specications and CapacitiesRegulatory Compliance Agency Regulation 22 TR-4 Tape Drive Users Guide Cleaning the Tape Head Maintenance and TroubleshootingMaintenance Caring for Tape CartridgesTroubleshooting Eide Tape Drive Eide and Scsi Tape DrivesDisconnecting SafetyConnecting Ibmr

4690 specifications

The IBM 4690 is a renowned point-of-sale (POS) system that has been pivotal in the retail and hospitality industries since its introduction in the late 1980s. Notably associated with IBM’s family of retail hardware and software solutions, the 4690 has transformed the modern retail environment, providing a robust platform for transaction processing and inventory management.

One of the main features of the IBM 4690 system is its powerful software architecture. Designed to efficiently handle high transaction volumes, it integrates seamlessly with various peripheral devices such as barcode scanners, receipt printers, and payment terminals. The system's user-friendly interface allows staff to process sales quickly and efficiently, enhancing the overall customer experience.

In terms of technology, the IBM 4690 operates on a proprietary operating system that supports a variety of programming languages, allowing retailers to customize applications to meet their specific needs. This flexibility not only streamlines operations but also enables retailers to implement specialized services such as loyalty programs and promotions. The hardware is designed for durability and reliability, essential in high-traffic retail environments.

Another significant characteristic of the IBM 4690 is its robust reporting capabilities. The system provides comprehensive sales reports, inventory analyses, and customer insights, all of which are essential for strategic decision-making. This analytical power helps businesses identify trends, forecast demand, and optimize stock levels, ultimately leading to improved profitability.

Furthermore, the IBM 4690 is known for its strong security features. By utilizing advanced encryption technologies and compliance with industry standards, the system helps protect sensitive customer data and payment information, ensuring a safe transaction environment.

The longevity and adaptability of the IBM 4690 system underscore its value in the retail sector. Even with newer technologies emerging, many businesses continue to rely on the robust functionality and proven performance of the 4690. With ongoing support and upgrades, the system remains a reliable choice for retailers looking to enhance their operational efficiency while delivering excellent customer service.

In summary, the IBM 4690 stands out due to its feature-rich software, durable hardware, robust reporting and analytics, and stringent security measures. These characteristics make it an indispensable tool for retailers aiming to thrive in an ever-evolving marketplace.