Adaptec AHA-2742T User Manual - Page 56

Configuring the Host Adapter Slot 1 - Adaptec AHA-2470/AHA-2740T SCSI Host Adapter Host Adapter Interface Definitions Interrupt Level IRQ 11 Bus Release Time 60 BCLKS Data FIFO Threshold 100% BIOS Definitions Host Adapter BIOS Base Address .......... D8000H SCSI Channel A Configuration Host Adapter SCSI ID 7 SCSI Bus Parity Check Enabled SCSI Selection Timeout 256 milliseconds SCSI Bus Reset at Power-on Enabled SCSI Bus Termination Enabled BIOS and Device configuration Press to configure Utilities Press to access More: PgUp/PgDn Edit=Enter Figure 3-1. Host Adapter Parameters Note If your host adapter is an AHA-2740T/2742T, a set of parameters for SCSI Channel B is displayed and can be configured. Configure the Host Adapter Parameters Use the cursor keys and/or function keys as instructed on the screen's menu to move between each parameter, or to select and configure each parameter. Interrupt Level Select Interrupt Level to configure the interrupt channel (IRQ) used by the host adapter. Figure 3-2 displays your choices. The default setting is IRQ 11. Multiple AHA-2740 Series host adapters installed in your system can share the same IRQ; however, to increase system performance, you may want to select a different IRQ for each host adapter installed. Adaptec AHA-2740 Series User's Manual Stock Number: 510381-00 / Rev. C (Page 3-5) Print Spec Number: 491709-00 Rev C Current Date: 9/1/93 ECN Date: 9/14/93 3-5