Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral adapting
Patent
1997-06-05
1999-12-21
Lee, Thomas C.
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral adapting
710 8, 710 11, 710 63, 709230, 39550048, 395527, 34082504, G06F 1314, G06F 1320
Patent
active
060062959
ABSTRACT:
A universal cable connects a personal computer's parallel port or PCMCIA socket to a variety of types of external peripheral devices. The universal cable contains a translator circuit that converts signals from the parallel port or PCMCIA socket to external interface signals. The translator circuit combines together bytes from the parallel port to out put words when the external peripheral is an IDE or ATAPI device, or a subset of the ISA or AT bus. The translator circuit passes bytes through to 8-bit SCSI peripherals. The 16 data bits from the PCMCIA socket are passed through to IDE, ATAPI, and ISA devices, but split into bytes for SCSI devices. General-purpose I/O for external peripherals is also supported using separate input and output signals rather than bi-directional I/O. Software on the personal computer controls the configuration of the translator circuit, allowing the universal cable to be re-configured for different types of external peripherals. A 36-pin IEEE 1248-C connector is used to connect the universal cable to various external peripherals. A printer pass-through connector is provided on the translator's housing.
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Jones Larry Lawson
Mambakkam Sreenath
Auvinen Stuart T.
Lee Thomas C.
On Spec Electronic, Inc.
Perveen Rehana
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