Adaptec 2920C User Guide - Page 1

Introduction Contents The AHA®-2920C host adapter provides a powerful multitasking interface between your computer's PCI bus and SCSI devices (disk drives, CD-ROM drives, scanners, tape drives, removable-media drives, etc.). You can connect up to seven 8-bit SCSI devices to your host adapter. The following figure shows the major components of the AHA-2920C host adapter The AHA-2920C host adapter provides a powerful multitasking interface between your computer's PCI bus and internal and external SCSI devices (disk drives, CD-ROM drives, tape drives, removablemedia drives, etc.). The host adapter supports SCSI Configured AutoMatically (SCAM), which automatically assigns SCSI IDs to SCAM compatible devices. The figure below identifies the major components of the AHA-2920C host adapter. 50-pin Internal SCSI Connector SCSI Terminator Chips External LED Connector EEPROM Installation Installing the Host Adapter . . . . . 2 Installing Internal SCSI Devices . 3 Installing External SCSI Devices . 4 Installing Software 5 Helpful Hints Configuring SCSI Devices 5 Configuring Disk Drives 6 Installing Multiple Adapters . . . . 6 Using SCSISelect 6 BIOS Troubleshooting Checklist . . . . . 10 40 Mhz Clock Crystal Common Problems and Solutions 11 SCSI Chip J3 50-pin High-Density External SCSI-2 Connector With the Adaptec software drivers, you can use AHA-2920C host adapters in computers running DOS/Windows®, OS/2, Windows® 95, Windows NT™, UNIX, and NetWare. 1