Adaptec AHA-1640 Installation Guide - Page 4

4 Select the menu option to set the configuration parameters from the SRD. Another menu appears when this process is completed. 5 Select the menu option to control or perform the configuration process automatically. The program analyzes the ADF and selects address spaces and parameter values that do not conflict with values already in use. Then it loads the values into CMOS RAM. A message appears when the automatic configuration is complete. 6 Press the indicated key to continue. The host adapter is now ready for normal operation. 7 Install the operating system software and boot your computer. If you remove the AHA-1640 host adapter from your computer in the future, you must run automatic configuration again to update the parameters. The following table lists the values that should be entered for various AHA-1640 configuration options. Some of the option values vary, depending on whether you boot your computer from a SCSI disk drive connected to the host adapter. Configuration Option Value when Booting from Host Adapter Port I/O Address Lowest slot number of 330h, 230h, 130h Arbitration Level 5 Interrupt Level Nonconflicting Host Adapter BIOS Enable only one BIOS Address Host Adapter SCSI ID 7 (or as required) SCSI Parity Checking On if all devices support parity; Off if any device does not support parity Synchronous Data Yes Transfer Initiated by Host Adapter? Fairness On Synchronous Data Transfer Negotiation On: Performed by host adapter Off: Performed by peripheral Value when Not Booting from Host Adapter Nonconflicting Nonconflicting Nonconflicting Disable all other BIOS's 7 (or as required) On if all devices support parity; Off if any device does not support parity Yes On On 3