Adaptec PC/104, PCM-3420 manual Termpwr GND

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TERMPWR

GND

In Out

GND

/\/\/\/ SCSI signal

\/\/\/

 

SCSI signal

 

\/\/\/

 

SCSI signal

 

etc.

Assuming that the TERMPWR voltage doesn’t drop below the desired termination voltage (plus the regulator’s minimum drop), the SCSI signals will always be terminated to the correct voltage level.

AHA

An acronym for Adaptec Host Adapter.

AIC

An acronym for Adaptec Integrated Circuit

AIC-6360

Second generation Adaptec single chip non-bus mastering ISA to SCSI host adapter (compatible with the first version, the AIC-6260). This chip is found on some Adaptec host adapters, such as the AVA- 1505, AVA-1515, AHA-1520A, AHA-1522A, and the AMM-1570. Adaptec also licenses the chip to motherboard vendors and other I/O card manufacturers.

(Like PCM-3420)

Appendix C Glossary of Terms 41

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Contents PCM-3420 PC/104 Fast SCSI-2 Module Page Acknowledgements Copyright NoticePacking Set Contents Appendix C Glossary of Technical Terms39 Appendix a Installing PC/104 ModulesAppendix B Pin Assignments General Information Introduction Product HighlightsPeripheral Device Support FeaturesPhysical and Environmental Specifications SpecificationsTechnical Specifications Board layout Page Hardware Installation Jumpers Label Function Jumpers and ConnectorsJP6 JP7 JP2 Locating Jumpers & Connectors Setting Jumpers Factory Default Settings PrecautionsInstalling PCM-3420 Module 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 Windows 95 or Windows NT System Requirements for Full Installa- tionQuick Start Instructions DOS Windows/Windows for WorkgroupsWindows 95/Windows NT Troubleshooting Troubleshooting TipsScsi Device 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