Adaptec PC/104, PCM-3420 manual Narrow Scsi device as opposed to Wide Scsi device

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L

M

N

Narrow SCSI device (as opposed to Wide SCSI device)

This is the term attributed to today’s 8 bit standard SCSI devices. This term is necessary to distinguish today’s 8-bit SCSI devices to 16-bit Wide SCSI devices.

O

P

PIO (Programmed Input/Output)

A method of data transfer in which the host microprocessor transfers data to and from memory via the computer’s I/O ports. PIO enables very fast data transfer rates, especially in single- tasking operating systems like DOS.

Appendix C Glossary of Terms 49

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Contents PCM-3420 PC/104 Fast SCSI-2 Module Page Acknowledgements Copyright NoticePacking Set Contents Appendix B Pin Assignments Appendix a Installing PC/104 ModulesAppendix C Glossary of Technical Terms39 General Information Introduction Product HighlightsPeripheral Device Support FeaturesTechnical Specifications SpecificationsPhysical and Environmental Specifications Board layout Page Hardware Installation Jumpers Label Function Jumpers and ConnectorsJP6 JP7 JP2 Locating Jumpers & Connectors Setting Jumpers Installing PCM-3420 Module PrecautionsFactory Default Settings JP2 Jumper Configuration ReferenceSD0 SD1 SD2 DMA DC1 DC2 This jumper block provides six major PCM-3420 operation mode CC000h CFFFFh Scsi Hard Disk Drive Connector CN1 Page EZ-SCSI Quick Reference Quick Start Instructions System Requirements for Full Installa- tionWindows 95 or Windows NT DOS Windows/Windows for WorkgroupsScsi Device Troubleshooting Troubleshooting TipsWindows 95/Windows NT Troubleshooting General Information Page General Information DOS Formatting Utilities Information for DOS/Windows 3.1x UsersDOS and Windows 3.1x Device Driver DOS and Windows 3.1x Aspi ManagersLow-level Formatter scsifmt Formatter and Partitioner afdisk Removable Media Manager rmvtool Page Installing PC/104 Modules Installing PC/104 modules PC/104 Module Mounting Diagram Page Pin Assignments Pin Signal PC/104 Connectors J1 , J2Internal SCSI-2 Connector CN Page Glossary of Technical Terms Adaptec EZ-SCSI Termpwr GND Synchronous Transfer Bios Devicedriver DOS Partition Chronous Full Scsi IRQ Narrow Scsi device as opposed to Wide Scsi device Port I/O Address Scsi Device Taggedqueuing Termination Page Appendix C Glossary of Terms