Ecp Vs. Epp - Specifications

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Infinia 7202

Support Bulletins Model Home ECP vs. EPP - Specifications Document ID:95080001 Bulletins Posted Date:05/01/98 Detailed Specs Last User's Guide 05/01/98 Updated: Product Tour Category Ports Select Another DistributionPublic Model Applicable Equium 5160D, 5200D, 6200D, 6200M, 6230D, Express View Models: 6260M Printer Infinia 7130, 7160, 7161, 7200, 7202, Friendly 7230, 7231, 7260 Version Libretto 50CT Portege 300CT, 610CT, 620CT, 650CT, 660CDT Satellite 100CS, 110CS, 110CT, 200CDS, 305CDS Satellite Pro 400CDT, 410CDT, 410CS, 415CS, 420CDS, 440CDX, 430CDT, 400CS, 420CDT, 430CDS, 440CDT Tecra 500CDT, 500CS, 510CDT, 520CDT, 530CDT, 550CDT, 700CS, 700CT, 710CDT, 720CDT, 730CDT, 740CDT, 730XCDT 7 Downloads 60 Support

Use of any software made available for download from this system constitutes your acceptance of the Export Control Terms and the terms in the Toshiba end-user license agreement both of which you can view before downloading any such software. Information solution survey Brief specifications for comparing the ECP parallel port (on late model Toshiba computers) and EPP parallel port hardware. EPP - Enhanced Parallel Port 1-3 MB/sec Asynchronous, interlocked, bi-directional communication - Half Duplex Operation Targeted at register oriented type devices: Network Adapters Tape backup CD-ROM Master/slave architecture Peripheral is polled for data Supports peripheral interrupt

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Supports two cycle types: Address/command Data Symmetric Read/Write cycles Hardware assisted handshaking/data transfer Limited by I/O cycle capabilities of the implementation

ECP - Extended Capability Port 5 MB/Sec Asynchronous, interlocked, bi-directional communication - Half Duplex Operation Targeted at block oriented type devices: Printers Scanners May have hardware support for RLE compression or decompression (optional) Supports 2 cycle types: Channel Address Data Peer to 'Peerish' Peripheral may request the reverse channel, but the host controls the data transfer Hardware assisted handshaking/data transfer Implementations include DMA as well as programmed I/O PC interface

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