Sata 4726 testing: 4726 on at boot: 1. Cold boot computer, powere the sata 4726 before booting. Notes: Turned on 4726, unit powered up. Only first drive is auto-detected during the 3124 HBA's BIOS. Booting linux, all drives detected on PMP. All drive status light on storage tower are on. File: 1_Bootup.log 2. Turn 4726 off, wait 10 seconds, turn 4726 on Notes: All drives detected properly when unit was turned back on. Verified existance using fdisk. 3. Repeat #2. Notes: ata1.03 was not recognized this time. All drive status lights on storage tower are on, including for ata1.03, indicating some sort of detection? File: 2_PowerOnOffTwice.log 4. Unplug 4726, wait 10 seconds, plug back in (leave 4726 powered up) Notes: All 4 drives detected properly. Verified with fdisk. File: 3_PlugUnplug.txt 5. Power 4726 off, wait 10 seconds, power back on 4726 Notes: ata1.03 was not dected, All drive status lights on storage tower are on, including for ata1.03, indicating some sort of detection? 6. Repeat step #5 Notes: ata1.03 not detected again. All drive status lights on storage tower are on, including for ata1.03, indicating some sort of detection? I did double check all of the drives in the storage tower, all of the IDE to SATA adapters and cables are plugged in. File: 4_PowerOnOffTwice.log 7. Turned 4726 off. Swap drives on 3rd and 4th port of 4726 around to see if this changes anything. Power 4726 back on. Notes: Drives on first 3 ports are recognized, but ata1.03 are recognized. All drive status lights are lit. File: 5_DriveSwap.log 8. Repeating tests 2 through 6. 8.1 Repeating #2 Notes: First 3 drives come up, ata1.03 is not detected. All drive status lights are lit. 8.2 Repeating #3 Notes: First 3 drives come up, ata1.03 is not detected. All drive status lights are lit. File: 6_PowerOnOff.log 8.3 Repeating #4 Notes: All 4 drives are detected properly. File: 7_PlugUnplug.log 8.4 Repeating #5 Notes: All drives were detected. Verified using fdisk. 8.6 Repeating #6 Notes: ata1.03 failed to be detected, first 3 drives were detected ok. File: 8_PowerOnOffTwice.log 9. Powering off 4726, Reversing drive swap test as noted in Step #7. Moving drive on 4th SATA port of 4726 to 5th SATA port. Notes: ata1.04 or is it ata1.05(??) is not recognized. First 3 drives are detected properly. I did have a spare LED to install on the 5th status LED port, so I can't tell what the status is. 10. Powering 4726 off, waiting 10 seconds, then on. Notes: Same results as in #9. ata1.04 is not recognized. Looking at the logs, File: 9_OccupyLastPMPPort.log 11. Unplugging 4726 from HBA, waiting 10 seconds, and re-plugging. Notes: All 4 drives detected properly. ata1.04 is recognized. File: 10_PlugUnplug.log /dev/sde for ata1.03 is created, but invalid: BigMouth timestamped # fdisk /dev/sde Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel. Changes will remain in memory only, until you decide to write them. After that, of course, the previous content won't be recoverable. You must set cylinders. You can do this from the extra functions menu. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) Command (m for help): p Disk /dev/sde: 0 MB, 327680 bytes 255 heads, 63 sectors/track, 0 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System Command (m for help): q