Adaptec SCSI RAID 2100S Installation Manual

Also see for 2100S - SCSI RAID Controller: Installation guide Quick start guide Software user's guide Installation guide Installation guide

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Adaptec SCSI RAID 2100S Installation Manual Manual pdf 93 page image

C-2Adaptec RAID Installation GuideThe controller fails to respond and the IRQ LED (and possibly other LEDs) remains lit.The IRQ LED indicates that the controller IRQ assignment ispending. This usually indicates an IRQ conflict with another card.Verify that each card is set to a unique IRQ. Refer to Appendix A forthe location of the LEDs on your controller.The controller does not respond and one of the following LED patterns occurs duringstartup:IRQ 6 and 7 alternating with IRQ 5 and 8IRQ 5 and 6 alternating with IRQ 7 and 8IRQ 5 and 7 alternating with IRQ 6 and 8These patterns indicate that the controller is not being configured bythe motherboard BIOS. This could be because your motherboardBIOS is not compatible with the Adaptec controller. Thisincompatibility could be because it does not support multifunctiondevices where one of the devices is a PCI bridge or because it doesnot support large, memory-mapped, address ranges.Refer to Chapter 1 of this Installation Guide and the READ.ME file onthe Adaptec RAID Installation CD for information about motherboardcompatibility and a list of motherboards that Adaptec has testedwith the Adaptec controller.The controller fails to respond.Check the LEDs. They emit patterns that can indicate a variety ofproblems, particularly with the memory module. If the LEDs flashonce per second in any of the following patterns, perform thespecified remedy.LED Pattern Problem Description7, 6, 5, 2, 1 No module Either no memory module is detectedon the controller, or there is no modulein the socket. Install a correct memorymodule.7, 6, 5, 3, 1 Too muchmemoryAdaptec 2400A/2100S/3200S/3400S only—The controller has more than 128 MB ofmemory. Install a correct memorymodule of 32, 64, or 128 MB.7, 6, 5, 3, 2, 1 Wrong-sizedmemoryA memory module other than 32, 64, or128 MB has been detected. Install acorrect memory module.