Knowledge Base

Dell Nautilus DOS is an offline update utility that helps you keep the SAS and SATA hard disk drives on your servers up-to-date.

When the utility is boot and run from a USB drive, PXE or CD, it will update supported hard disk drives with a single scan to the most recent version available in the package.

To download the Nautilus DOS A33 firmware, go to the Driver Details page.

Dell Nautilus DOS version A33 release notes
Current version: A33 R315798
Release date: October 12, 2012
Fixes and upgrades: This version of the Dell Nautilus update utility is a general maintenance release.

Supported SAS and SATA hard disk drive firmware release notes
Dell Nautilus DOS version A33 contains updates for supported hard disk drives.

For firmware release notes on an individual hard disk drive, click the product family below and then see the supported drive.

• Fujitsu
• Hitachi
• Maxtor
• Samsung
• Seagate
• Toshiba
• Western Digital

Fujitsu firmware release notes

Supported SAS and SATA hard drive models	Firmware versions installed with Nautilus DOS A33	Dell Part Numbers	Fixes and Upgrades	Importance	Notes
Fujitsu SAS 15K 3.5" and 10K 2.5" AL9LX	D207	G8816, H8799, M8034	Returns different sense data under certain rare error conditions. In some instances, the array controller starts its own built-in error-correction procedures instead of taking the drive offline.	Recommended	Previously released as R156342
Fujitsu SAS 10K 2.5" AL9LX	D109	G8762, J8089	Returns different sense data under certain rare error conditions. In some instances, the array controller starts its own built-in error-correction procedures instead of taking the drive offline.	Recommended	Previously released as R156342
Fujitsu SAS 3.5" AL10SE	D406	UP937, NP659	Fixes the incorrect error messaging that occurs after encountering an uncorrectable error while running a Hard Drive Self-Test.	Optional	First release
Fujitsu SAS 2.5" MBB2073RC and MBB2147RC	D407	UP937, NP659	Improves stability and overall reliability of these drives.	Recommended
Fujitsu SAS 2.5" MBC2036RC and MBC2073RC	D506	GX250, RW675	Improves stability and overall reliability of these drives.	Recommended
Fujitsu SAS 3.5" MBA3073RC, MBA3147RC and MBA3300RC	D306	XK111, MM501, RW548	Improves stability and overall reliability of these drives.	Recommended
Fujitsu 10k SAS 2.5" MBD2147RC (146GB) and MBD2300RC (300GB)	D80A	G731N, H523N, X143K, U706K	Resolves a non-critical issue with the drive in an iSCSI enclosure.	Recommended
Fujitsu 15k SAS 2.5" Fujitsu MBE2073RC (73GB) and MBE2147RC (147GBGB)	D906	J515N, K532N, W328K, R727K	Resolves a non-critical issue with the drive in an iSCSI enclosure.	Recommended

Hitachi firmware release notes

Supported SAS and SATA hard drive models	Firmware versions installed with Nautilus DOS A33	Dell Part Numbers	Fixes and Upgrades	Importance	Notes
Hitachi SAS 3.5”	A5F0	RY645, WR767, UM902	Fixes issue where Linux stops responding during installation in a RAID-0 configuration. (Small block sequential writes occur, causing Linux to stop responding during installation when attached to SAS-5/iR running in RAID 0. The firmware will rev from A48B to A5F0.)	Optional	First release
Hitachi SAS 2.5" HUC101473CSS300 (73GB) and HUC101414CSS300 (146GB)	C4C2	XK112, RW549	Improves stability and overall reliability of these drives.	Recommended
Hitachi 15k SAS 3.5" HUS153073VLS300 (73GB), HUS153014VLS300 (147GB) and HUS153030VLS300 (300GB)	A4C2	GX198, HR200, MM406	Improves stability and overall reliability of these drives.	Recommended
Hitachi SATA 3.5” HUA72105 (500GB), HUA72107 (750GB) and Hitachi HUA72101 (1TB)	A9N1	JN957, NW342, YR660	Improves stability and overall reliability of these drives. Fixes servo code to speed up performance in the event of a command timeout. Speeds up Write Error recovery time.	Recommended
HITACHI SAS 3.5” HUS154530VLS300 (300GB)	B522	H704F	General maintenance update.	Optional
HITACHI SAS 3.5” HUS154545VLS300 (450GB)	D522	XX517	General maintenance update.	Optional
Hitachi SATA 3.5” HUA72105, HUA72107and HUA72101	A96R	JN957, NW342, YR660	Improves stability and overall reliability of these drives.	Recommended
Hitachi 15K SAS 3.5” HUS154530VLS300 (300GB)	B598	H704F	Fixes DST Failure error when running Dell diagnostics by preventing the cache-contention issues.	Recommended
Hitachi 15K SAS 3.5" HUS154545VLS300 (450GB)	D598	XX517	Fixes DST Failure error when running Dell diagnostics by preventing the cache-contention issues.	Recommended
Hitachi 15K SAS 3.5” HUS153073VLS300 (73GB), HUS153014VLS300 (146GB) and HUS153030VLS300 (300GB)	A598	GX198, HR200, MM406	Fixes DST Failure error when running Dell diagnostics by preventing the cache-contention issues.	Recommended
Hitachi 7.2k SATA 3.5" HUA721050KLA330 (500GB), HUA721075KLA330 (750GB) and HUA721010KLA330 (1TB)	AJ0A	YR660, JN957, NW342	Includes fixes from Revision A9RA Fixes COMRESET issue in Dell PowerEdge R210 II server. Fixes E-PPID field to retain the original revision.	Recommended
Hitachi 10k SAS 2.5" HUC103014CSS600 (146GB) and HUC103030CSS600 (300GB)	J516	T228M, P252M	Fixes rare timeout issue that can occur during a drive reset. Fixes 0B/44/00 error that occurs during long sequential reads. Improves Log Page Reporting. Improves overlapped WCE performance. Improves error handling.	Recommended
Hitachi 15k SAS 2.5” HUC151473CSS600 (73GB) and HUC151414CSS600 (146GB)	K516	W330K, R730K	Fixes rare timeout issue that can occur during a drive reset. Fixes 0B/44/00 error that occurs during long sequential reads. Improves Log Page Reporting. Improves overlapped WCE performance. Improves error handling.	Recommended
Hitachi 7.2k SATA 3.5" HUA722020ALA330 (2TB)	A3HA	0H6GP, 6C10R, 9CF6R	Improves performance. Improves Seek performance. Improves non-NCQ performance. Improves Sequential Read performance. Fixes issue with low power mode. Fixes issue with clicking noise when accessing max LBA range.	Recommended

Maxtor firmware release notes

Supported SAS and SATA hard drive models	Firmware versions installed with Nautilus DOS A33	Dell Part Numbers	Fixes and Upgrades	Importance	Notes
3.0 Maxtor SAS 3.5	BP05	G8774, M8033, G8763, G8764, M8032, H8868	Addresses issues, where under certain circumstances, a hard disk drive may go offline. HDDs may report offline due to a timeout condition. If the HDD is unable to complete commands, this may result in the controller reporting the HDD offline. Improves SMART Reporting, where drives can report SMART trips due to aggressive SMART Error Rate Measurement counters during read verifies.	Recommended	Previously released as R159954

Samsung firmware release notes

Supported SAS and SATA hard drive models	Firmware versions installed with Nautilus DOS A33	Dell Part Numbers	Fixes and Upgrades	Importance	Notes
Samsung SS805 SATA 2.5” SSD MCCOE1HG5MXP-0VBD3-0H2 (100GB) and MCB4E50G5MXP-0VBD3-0H2 (50GB)	CD3Q	G613R, Y949P	Improves reliability and robustness of the drives. Resolves issue in wear leveling that extends drive life.	Urgent

Seagate firmware release notes

Supported SAS and SATA hard drive models	Firmware versions installed with Nautilus DOS A33	Dell Part Numbers	Fixes and Upgrades	Importance	Notes
Seagate 15k SAS 3.5”	S515	NR905, HY939, NP658, RY491, WR712, GM251, DT460, JP621, TU961, KN518, UP936, UM837, WM768, DY041	Resolves issue where the hard disk drives may go offline under a heavy input/output workload if the write cache option of Windows Server 2000 is disabled and SAS hard disks are connected to SAS5 I controller on PowerEdge servers.	Recommended	Previously released as R157626
Seagate 10k SAS 3.5”	T109	JP620, DR238, WR711, FW956, JW552, YK580, GM250, HY937, RY489	Resolves issue where the hard disk drives may go offline under a heavy input/output workload if the write cache option of Windows Server 2000 is disabled and SAS hard disks are connected to SAS5 I controller on PowerEdge servers.	Recommended	Previously released as R157626
Seagate 10k SAS 2.5”	S207	TX535, HM407	Resolves issue where the hard disk drive may go offline under heavy input/output workload in Windows Server 2000 if the write cache option of Windows Server 2000 is disabled and SAS hard disks are connected to SAS5 I controller on PowerEdge servers.	Recommended	Previously released as R157639
Seagate 15k SAS 2.5”	SM04	NP657, UP932	Resolves issue where the hard disk drive may go offline under heavy input/output workload in Windows Server 2000 if the write cache option of Windows Server 2000 is disabled and SAS hard disks are connected to SAS5 I controller on PowerEdge servers.	Recommended	Previously released as R157639
Seagate 10k SAS 3.5" ST3400755SS (400GB)	NS2A	MM407	Enhancements to error detection algorithm. Improves error reporting. Improves Sequential Streaming performance. Improves Mode Page logging. Improves dual port reset handling. Enables skip sequential read streaming feature to improve Raid-5 read performance.	Recommended	First Release
Seagate SATA 3.5" ST3250620NS, ST3500630NS and ST3750640NS	3BKT	DR237, GM248, HN649, JW551, MR777, MY723, PU780, UM402, UY042, XU107	Improves general stability for heavy IO. Fixes an issue where the activity light on the drive stays off after a firmware download. (The 3BKS and below firmware required a drive power cycle to reactivate the activity lights. This is no longer the case with 3BKT firmware.) Improves error handling for various forms of reset activities.	Recommended	First Release
Seagate 15k SAS 3.5" ST3300655SS, ST3146855SS and ST373455SS	S51A offline download	TN937, HT953, GY581, NR905, HY939, RY491, NP658, GM251, WR712, JP621, DT460, KN518, TU961, UM837, UP936, TK237, GP880, XT763	Enhances error detection algorithm. Improves error reporting. Improves Sequential Streaming performance. Improves Mode Page logging. Improves dual port reset handling. Enables skip sequential read streaming feature to improve Raid-5 read performance.	Urgent
Seagate 10k SAS 2.5” ST9146802SS and ST973402SS	S20C offline download	HM407, CM318, GP881, TX535, HT592, TK238	Improves stability and reliability of drives. Corrects firmware revision to allow Firmware S209 to update Firmware S20C. Enhances error detection algorithm. Improves error reporting. Improves Sequential Streaming performance. Improves Mode Page logging. Improves dual port reset handling.	Recommended
Seagate 15k6 SAS, 3.5" ST3146356SS, ST3300656SS and ST3450856SS	HS11	XX518, FM501, YP778	Resolves issue that causes poor read performance under high temperatures. Resolves a rare condition that could cause an incorrect check condition when ECC error is reported. Improves drive error handling. Optimizes drive seek algorithms.	Urgent
Seagate 10k SAS 2.5” ST9146802SS (146GB) and ST973402SS (73GB)	S22F	HM407, CM318, GP881, TX535, HT952, TK238	Enhances error detection algorithm. Improves error reporting. Improves Sequential Streaming performance. Improves Mode Page logging. Improves dual port reset handling. Enables skip sequential read streaming feature to improve Raid-5 read performance.	Urgent
Seagate 7.2K SAS 3.5” ST3500620SS (500GB), ST3750630SS (750GB) and ST31000640SS (1TB)	MS0C	CP464, YP777	Enhances error detection algorithm. Improves error reporting. Improves Sequential Streaming performance. Improves Mode Page logging. Improves dual port reset handling. Enables skip sequential read streaming feature to improve Raid-5 read performance.	Recommended
Seagate ES 7.2k SATA 3.5" ST3250310NS (250GB), ST3500320NS (500GB), ST3750330NS (750GB) and ST31000340NS (1TB)	MA0D	DP279, CX424, JU643, NN987	Error Handling Improvements: Optimizes one track seeks. Corrects a "Read Verify" conditional check that caused green LED flash. Resolves a rare condition causing disk to spin down if seek command occurs when entering standby mode. Resolves a rare condition where running a multi-threaded intensive program could lead to an unnecessary drive reset. General improvements: SMART Enhancements and Improvements Performance: Improves performance with small block random writes. Improves command streaming with large queue depths. Improves performance for some sequential read scenarios under RAID5 configurations.	Recommended
Seagate T10 7.2K SAS 3.5” ST3300555SS (300GB), ST3146755SS (146GB) and ST373355SS (73GB)	T215	TN938, HT954, GY582	Enhances error detection algorithm. Improves error reporting. Improves Sequential Streaming performance. Improves Mode Page logging. Improves dual port reset handling. Enables skip sequential read streaming feature to improve Raid-5 read performance.	Urgent
Seagate 7.2k SAS 2.5" ST9500430SS (500GB)	DS64	R734K	Resolves rare occurrence that can cause check condition while drive is powering down. Resolves issue that causes poor read performance under high temperatures. Optimizes drive seek algorithms.	Recommended
Seagate 15k SAS 3.5" ST3300657SS (300GB), ST3450857SS (450GB) and ST3600057SS (600GB)	ES64	F617N, R749K, W347K	Optimizes Servo to improve seek performance. Resolves rare occurrence that can cause check condition while drive is powering down. Resolves issue that causes poor read performance under high temperatures. Optimizes drive seek algorithms.	Recommended
Seagate 10k SAS 3.5" ST3600002SS (600GB)	ER64	R752K	Optimizes Servo to improve seek performance. Resolves rare occurrence that can cause check condition while drive is powering down. Resolves issue that causes poor read performance under high temperatures. Optimizes drive seek algorithms.	Recommended
Seagate 10k SAS 2.5” ST9146803SS (146GB) and ST9300603SS (300GB)	FS64	X160K, T871K	Resolves rare occurrence that can cause check condition while drive is powering down. Resolves issue that causes poor read performance under high temperatures. Optimizes drive seek algorithms.	Recommended
Seagate 15k SAS 2.5” ST973452SS (73GB) and ST9146852SS (146GB)	HT64	X162K, W345K	Improvements to logic how drive auto reallocates recovered sectors. Improvements to SMART threshold detection. Improves sequential reads. Corrects command retry caused while write cache is enabled. Improves sequential read stream when running RAID 5. Fixes issue where the SMART warning is not present when the drive is exposed to high temperature, i.e. around 80-90 degrees Celsius.	Recommended
Seagate ES 7.2k SATA 3.5" ST3500514NS (500GB) ST31000524NS (1TB) and ST32000644NS (2TB)	KA06	8CGTN, VGY1F, 8VNWV	Corrects LED behavior. Improves error handling. Improves performance. Improves Smart data collection. Improves error handling for under 2kHz vibrations. Resolves a rare occurrence that can cause drive to stop responding.	Recommended
Seagate 15k5 SAS, 3.5" ST3300655SS, ST3146855SS and ST373455SS	S52C	TN937, HT953, GY581, NR905, HY939, RY491, NP658, GM251, WR712, JP621, DT460, KN518, TU961, UM837, UP936, TK237, GP880, XT763	Enhances error detection algorithm. Improves error reporting. Improves Sequential Streaming performance. Improves Mode Page logging. Improves dual port reset handling. Enables skip sequential read streaming feature to improve RAID 5 read performance.	Urgent
Seagate 15k SAS, 2.5” ST936751SS (36GB) and ST973451SS (73GB)	SM0B	RN829, XT764	Corrects minimum firmware revision from SM04 to SM03. Corrects firmware revision to allow Firmware SM04 to update Firmware SM0B. Enhances error detection algorithm. Improves error reporting. Improved Sequential Streaming performance Improves Mode Page logging. Improves dual port reset handling. Enables skip sequential read streaming feature to improve RAID 5 read performance.	Urgent
Seagate 10K SAS, 2.5" ST9146803SS (146GB) and ST9300603SS (300GB)	FS04	X829K, X160K, C975M, T871K, PH7CR	Fixes SMART Reporting of POH and temperature on a format corrupt drive. Fixes SMART time to save data, counter briefly reports wrong time. Improves robustness handling of correctable servo memory errors. Enhances performance when transitioning from sequential writes to sequential reads. Includes several fixes for optimized error handling and stability. Improves command priority. Optimizes reallocation routine. Adds a Dell TM identifier.	Recommended
Seagate 7.2K SAS, 3.5" ST3500414SS (500GB), ST31000424SS (1TB) and ST32000444SS (2TB)	KS68	U738K, U717K, R755K	Optimizes servo motor. Resolves rare occurrence that can cause check condition while drive is powering down. Resolves issue that causes poor read performance under high temperatures. Enhances Write cache algorithm.	Recommended
Seagate 10K SAS 2.5" ST3300555SS, ST3146755SS and ST373355SS	T10D offline download	TN938, HT954, GY582, GP879, RN828, TK236, DR238, WR711, JP620, WM768, DY041, YK580, FW956, JW552, GM250, RY489, MY414, HY937	Enhances error detection algorithm. Improves error reporting. Improves Sequential Streaming performance. Improves Mode Page logging. Improves Dual port reset handling. Enables skip sequential read streaming feature to improve RAID 5 read performance.	Urgent
Seagate T10 7.2K SAS 3.5" ST3300555SS (300GB), ST3146755SS (146GB) and ST373355SS (73GB)	T210 offline download	GP879, RN828, TK236	Enhances error detection algorithm. Improves error reporting. Improves Sequential Streaming performance. Improves Mode Page logging. Improves handling of Dual port reset. Enables skip sequential read streaming feature to improve Raid-5 read performance.	Urgent
Seagate 10k SAS 2.5" ST9600204SS (600GB)	FM08	7T0DW	Resolves rare occurrence that can cause check condition while drive is powering down. Resolves issue that causes poor read performance under high temperatures. Optimizes drive seek algorithms.	Recommended
Seagate 7.2k SATA 2.5" ST9500530NS (500GB)	DA06	J770N	Resolves the SMART reporting for Drive Temperature Exceeding Threshold issue. Improves performance for sequential writes. Corrects issue that causes excessive G-list entries. Improves drive error handling.	Recommended
Seagate 7.2k SAS 3.5" ST33000650SS (3TB)	RS0C	91K8T	Corrects an issue that could cause drive to enable low power write mode. Corrects an issue where idle timers were not initialized when drive transitions from stop to active mode. Improves drive error handling. Improves drive log page counters. Enhances priority of servo calibrations based on temperature readings. Improves Sequential Read and Write performance.	Recommended

Toshiba firmware release notes

Supported SAS and SATA hard drive models	Firmware versions installed with Nautilus DOS A33	Dell Part Numbers	Fixes and Upgrades	Importance	Notes
Toshiba SAS 10K SAS 2.5” MBF2300RC (300GB) and MBF2600R (600GB)	DA07	740Y7, 5R6CX	Improves drive motor servo related to vibration of 220Hz and >1800Hz. Improves performance of sequential verify.	Recommended
Toshiba 7.2k SAS 3.5" MK1001TRKB (1TB) and MK2001TRKB (2TB)	7KXJR, WDC07		Resolves error handling issue on MD3000 series platform.	Recommended

Western Digital firmware release notes

Supported SAS and SATA hard drive models	Firmware versions installed with Nautilus DOS A33	Dell Part Numbers	Fixes and Upgrades	Importance	Notes
Western Digital SATA 3.5” WD800AAJS (80GB)	0A04	HN769	Improves stability and overall reliability of these drives.	Recommended	Previously released as R154797
Western Digital SATA 3.5” WD1600YS-18S (160GB) and WD2500YS-18S (250GB)	6C06	XP023, MY821	Improves stability and overall reliability of these drives.	Recommended	Previously released as R154797
Western Digital SATA 3.5” WD5000YS-18M (500GB)	2E0B	WM327	Improves stability and overall reliability of these drives.	Recommended	Previously released as R154797
Western Digital WDC WD1600YS-18S and WDC WD2500YS-18SSATA 3.5”	6C07	PK110, KT960	Corrects behavior where the drive aborts the Security Set Password command with the Master Password.	Recommended
Western Digital 5.4k SATA 3.5" GP250RE2ES (1TB)	1B02	W907G	Improves error handling of command timeouts. Adds Dell ID String.	Recommended
Western Digital 7.2k SATA 3.5” WD1602ABKS-18N8A0 (160GB), WD2502ABYS-18B7A1 (250GB) and WD5002ABYS-18B1B0 (500GB)	3B05	H962F, M020F, X464K	Fixes issue causing hard drives to be marked offline or to auto-rebuild due to a timeout condition. Updates model string to include Model WD1602ABKS-18N8A1 (160GB) in this update utility.	Recommended
Western Digital 7.2k SATA 3.5" WD7502ABYS-1 (750GB) and WD1002FBYS-1 (1TB)	0C12	J317F, 50XV4, G631F, 0KXM9	Optimizes very sort seeks.	Recommended
Western Digital 5.4k SATA 3.5" WD2002FYPS-18U1B0 (2TB)	5G08	J164R	Optimizes very sort seeks. Improves drive recover algorithm.	Recommended
Western Digital 10k SAS 2.5" WD1460BKFG-18P2V (146GB) and WD3000BKFG-18P2V (300GB)	D1E4	C722T, H367T	Optimizes very short stroke seeks. Resolves rare issue that can cause check condition when drive resumes from spun down state.	Recommended
Western Digital 10k SAS 2.5" WD3000BKHG-18A29 (300GB) and WD6000BKHG-18A29 (600GB)	D1V8	X79H3, C5R62	Corrects issue during startup on Dell MD3xxx enclosures.	Recommended