Adaptec 1540CP Installation Guide - Page 4

Default Settings The AHA-1540CP/1542CP operates correctly with the factory default settings in most PCs. Plug and Play may override some settings when it assigns system resources. The default settings are listed in the following table. See Host Adapter Switches on page 11, and Configuring the SCSI Bus on page 8, to learn how to change settings. Settings from Switches: Defaults Plug and Play Functions I/O Port Address1 Enabled 330h-333h Floppy Controller (AHA-1542CP only) Host Adapter BIOS Address1 2 Enabled Enabled/ DC000h Global Settings from SCSISelect: Host Adapter Interrupt (IRQ) Channel1 Host Adapter DMA Channel1 IRQ 11 5 Host Adapter SCSI ID 7 SCSI Parity Checking Enabled DMA Transfer Rate 5.0 MBytes/sec Host Adapter SCSI Termination Automatic Reset SCSI Bus at Power-on Enabled "Plug and Play" SCAM Support Enabled "Plug and Play" IRQ 9 and DMA 0 Support Disabled Host Adapter BIOS (Configuration Utility Reserves BIOS Space)2 Extended BIOS Translation for Drives >1 GByte2 Support Removable Disks Under BIOS as Fixed Disks2 Dynamically Scan SCSI Bus for BIOS Devices2 BIOS Support for More Than 2 Drives 2 BIOS Support for INT 13h Extensions2 BIOS Support for Bootable CD-ROMs2 Immediate Return on Seek Command2 Display Messages during BIOS Initialization2 Enabled Disabled Boot Only Disabled Disabled Enabled Disabled Enabled Enabled Individual Device Settings from SCSISelect: Enable Sync Negotiation Yes Enable Fast SCSI Yes Enable Disconnection Yes Send Start Unit Command2 No Include in BIOS Scan2 3 Yes 1 Settings may be overridden by Plug and Play during the boot process. 2 Settings are valid only if the host adapter BIOS is enabled. Host adapter BIOS can be disabled from the switch and SCSISelect. 3 Dynamically Scan SCSI Bus for BIOS Devices must be enabled for this option to function. 3