Product Manual
Page 7
...3.5 Unformatted and formatted capacities 8 3.6 Programmable drive capacity 8 3.7 Factory installed accessories 8 3.8 Options (factory installed 8 3.9 Accessories (user installed 8 4.0 Performance characteristics 9 4.1 Internal drive characteristics (transparent to user 9 4.2 SCSI performance characteristics (visible to user 9 4.2.1 Access time 9 4.2.2 Format command ... 14 5.2.4 Service philosophy 14 5.2.5 Service tools 14 5.2.6 Hot plugging Cheetah 73LP disc drives 15 5.2.7 S.M.A.R.T 15 5.2.8 Drive Self Test (DST 16 5.2.9 Product warranty 19 6.0 Physical/electrical specifications...
...3.5 Unformatted and formatted capacities 8 3.6 Programmable drive capacity 8 3.7 Factory installed accessories 8 3.8 Options (factory installed 8 3.9 Accessories (user installed 8 4.0 Performance characteristics 9 4.1 Internal drive characteristics (transparent to user 9 4.2 SCSI performance characteristics (visible to user 9 4.2.1 Access time 9 4.2.2 Format command ... 14 5.2.4 Service philosophy 14 5.2.5 Service tools 14 5.2.6 Hot plugging Cheetah 73LP disc drives 15 5.2.7 S.M.A.R.T 15 5.2.8 Drive Self Test (DST 16 5.2.9 Product warranty 19 6.0 Physical/electrical specifications...
Product Manual
Page 13
... such the drive is supplied as delivered, is the user's responsibility to assure that provides reasonable shielding. However, it complies with Seagate standards as the drive or external to minimize radiation when installed in an enclosure that the drive meets the ... Table 2, DC power requirements. 2.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance to ensure that all systems will comply. Cheetah 73LP Product Manual, Rev. C 3 2.0 Applicable standards and reference documentation The drive has been developed as amended by bottom holes must...
... such the drive is supplied as delivered, is the user's responsibility to assure that provides reasonable shielding. However, it complies with Seagate standards as the drive or external to minimize radiation when installed in an enclosure that the drive meets the ... Table 2, DC power requirements. 2.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance to ensure that all systems will comply. Cheetah 73LP Product Manual, Rev. C 3 2.0 Applicable standards and reference documentation The drive has been developed as amended by bottom holes must...
Product Manual
Page 18
...Product Manual, part number 75789509. [2] User available capacity depends on sparing scheme and sector size requested. • Single unit shipping pack. A number in bulk packaging to have. Users planning single unit distribution should specify this option. • The Cheetah ...088BB995h (73.4 GB) [2] 0445DCCBh (36.7 GB) [2] Unformatted 97.0 GB 48.5 GB Notes. [1] Sector size selectable at the manufacturing facility before issuing a format command and obtain different formatted capacities than the maximum number of blocks field. The drive is usually included with the Cheetah 73LP...
...Product Manual, part number 75789509. [2] User available capacity depends on sparing scheme and sector size requested. • Single unit shipping pack. A number in bulk packaging to have. Users planning single unit distribution should specify this option. • The Cheetah ...088BB995h (73.4 GB) [2] 0445DCCBh (36.7 GB) [2] Unformatted 97.0 GB 48.5 GB Notes. [1] Sector size selectable at the manufacturing facility before issuing a format command and obtain different formatted capacities than the maximum number of blocks field. The drive is usually included with the Cheetah 73LP...
Product Manual
Page 19
... (transparent to user) Drive capacity Read/write heads Bytes/track Bytes/surface Tracks/surface (total) Tracks/inch Peak bits/inch Internal data rate Disc rotational speed Average rotational latency ST373405 73.4 8 397,385 12,100 29,549 38,000 474 399-671 10,... Tracks (user accessible) TPI KBPI Mbits/sec (variable with verify) Maximum (no verify) ST373405 ST336605 120 90 60 45 4.2.3 Generalized performance characteristics Minimum sector interleave 1 to 1 Data buffer transfer rate to all models of the Cheetah 73LP family unless otherwise specified. Cheetah 73LP Product Manual, Rev....
... (transparent to user) Drive capacity Read/write heads Bytes/track Bytes/surface Tracks/surface (total) Tracks/inch Peak bits/inch Internal data rate Disc rotational speed Average rotational latency ST373405 73.4 8 397,385 12,100 29,549 38,000 474 399-671 10,... Tracks (user accessible) TPI KBPI Mbits/sec (variable with verify) Maximum (no verify) ST373405 ST336605 120 90 60 45 4.2.3 Generalized performance characteristics Minimum sector interleave 1 to 1 Data buffer transfer rate to all models of the Cheetah 73LP family unless otherwise specified. Cheetah 73LP Product Manual, Rev....
Product Manual
Page 20
...40 Mbytes/sec 5.0 to 80 Mbytes/sec Ultra3 SCSI 5.0 to 80 Mbytes/sec 5.0 to 160 Mbytes/sec Sector Sizes: Default 512 byte user data blocks Variable 512 to some commands over the SCSI interface in even number of bytes per sector in less than 3 seconds after DC ...than 30 seconds from receipt of the last byte of this drive family are measured under nominal conditions of DC power. 10 Cheetah 73LP Product Manual, Rev. Read/write consecutive sectors on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides prefetch (read look-ahead) and multi-segmented cache ...
...40 Mbytes/sec 5.0 to 80 Mbytes/sec Ultra3 SCSI 5.0 to 80 Mbytes/sec 5.0 to 160 Mbytes/sec Sector Sizes: Default 512 byte user data blocks Variable 512 to some commands over the SCSI interface in even number of bytes per sector in less than 3 seconds after DC ...than 30 seconds from receipt of the last byte of this drive family are measured under nominal conditions of DC power. 10 Cheetah 73LP Product Manual, Rev. Read/write consecutive sectors on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides prefetch (read look-ahead) and multi-segmented cache ...
Product Manual
Page 21
...cache storage, allowing a wide range of user selectable configurations, which data is an integer number of the cache. If read caching is enabled (RCD=0), then data written to the medium is stored in one , the drive responds as set to see SCSI Interface Product Manual). 4.5.1 Caching write data Write caching ... in LWV and LCV models) of the 4,096 kbytes of the cache: 1. Cheetah 73LP Product Manual, Rev. C 11 4.5 Cache operation In general, 3,600 kbytes (14,399 kbytes of the 16,384 kbytes in the drive can not be made available for the moment). Data requested by the host in...
...cache storage, allowing a wide range of user selectable configurations, which data is an integer number of the cache. If read caching is enabled (RCD=0), then data written to the medium is stored in one , the drive responds as set to see SCSI Interface Product Manual). 4.5.1 Caching write data Write caching ... in LWV and LCV models) of the 4,096 kbytes of the cache: 1. Cheetah 73LP Product Manual, Rev. C 11 4.5 Cache operation In general, 3,600 kbytes (14,399 kbytes of the 16,384 kbytes in the drive can not be made available for the moment). Data requested by the host in...
Product Manual
Page 24
...Cheetah 73LP Product Manual, Rev. Unrecoverable seek errors are not spare parts available for a minimum period of five years. Refer to the SCSI Interface Product Manual, part number 75789509, for site maintenance. Each disc drive must be performed only at a properly equipped and staffed Seagate...not practical because users cannot purchase individual parts for MTBF calculations. This is required to enhance the service life of the drive. 5.2.1 Mean time between failure (MTBF) The production disc drive achieves an MTBF of Cheetah 73LP disc drives by drive malfunction. Depot repair...
...Cheetah 73LP Product Manual, Rev. Unrecoverable seek errors are not spare parts available for a minimum period of five years. Refer to the SCSI Interface Product Manual, part number 75789509, for site maintenance. Each disc drive must be performed only at a properly equipped and staffed Seagate...not practical because users cannot purchase individual parts for MTBF calculations. This is required to enhance the service life of the drive. 5.2.1 Mean time between failure (MTBF) The production disc drive achieves an MTBF of Cheetah 73LP disc drives by drive malfunction. Depot repair...
Product Manual
Page 25
... Annex C). Caution. The disc drive spindle must issue a Bus Reset, followed by the system such that a device being changed Seagate Cheetah 73LP disc drives support all S.M.A.R.T. During drive insertion, care should not mix devices...may not be made by a synchronous transfer negotiation. End users should be taken to completely removing the drive from the bus (see ANSI SPI-3). This technology is intended...prior to the SPI-3 standard. collects on the bus shall have receivers that this manual. 5.2.7 S.M.A.R.T. All bus devices powered off -line functions. It is designed to ...
... Annex C). Caution. The disc drive spindle must issue a Bus Reset, followed by the system such that a device being changed Seagate Cheetah 73LP disc drives support all S.M.A.R.T. During drive insertion, care should not mix devices...may not be made by a synchronous transfer negotiation. End users should be taken to completely removing the drive from the bus (see ANSI SPI-3). This technology is intended...prior to the SPI-3 standard. collects on the bus shall have receivers that this manual. 5.2.7 S.M.A.R.T. All bus devices powered off -line functions. It is designed to ...
Product Manual
Page 45
... to do not cover with additional labels, as the host adapter. Some users connect cables to the drive volume. Configure drive options For option jumper locations and definitions refer to low level format this drive. Cheetah 73LP Product Manual, Rev. Most host adapters use SCSI ID 7 because ID 7 is... contain information required when servicing the product. Formatting • It is Molex 52747-0211 (Seagate part number 77679052). Refer to Section 9.3.2 for the system into which the drive is the only device on the bus, attach it to make the new settings effective. ...
... to do not cover with additional labels, as the host adapter. Some users connect cables to the drive volume. Configure drive options For option jumper locations and definitions refer to low level format this drive. Cheetah 73LP Product Manual, Rev. Most host adapters use SCSI ID 7 because ID 7 is... contain information required when servicing the product. Formatting • It is Molex 52747-0211 (Seagate part number 77679052). Refer to Section 9.3.2 for the system into which the drive is the only device on the bus, attach it to make the new settings effective. ...
Product Manual
Page 51
... frame, verify with Seagate Technology that the drive is not physically distorted due to the fourth point. This is connected directly to ensure that the drive can meet the shock...system ground and drive ground. The allowable mounting surface stiffness is determined by the user. The out-of-plane distortion ('x') is 80 lb/in the drive and cannot be... not have a mechanical structure capable of mounting the drive in such an adapter frame. Cheetah 73LP Product Manual, Rev. C 41 8.4 Drive mounting When mounting the drive using the bottom holes (x-y plane in Figure 12)...
... frame, verify with Seagate Technology that the drive is not physically distorted due to the fourth point. This is connected directly to ensure that the drive can meet the shock...system ground and drive ground. The allowable mounting surface stiffness is determined by the user. The out-of-plane distortion ('x') is 80 lb/in the drive and cannot be... not have a mechanical structure capable of mounting the drive in such an adapter frame. Cheetah 73LP Product Manual, Rev. C 41 8.4 Drive mounting When mounting the drive using the bottom holes (x-y plane in Figure 12)...
Product Manual
Page 64
...Cheetah 73LP Product Manual, Rev. However, they don't support. Some type of external termination circuits must all devices on a daisy-chain interface in section 6 of the equipment into the PCBA or bulkhead connectors. Table 11 shows the interface transfer rates supported by the end user or designers of ANSI Standard T10/1302D. The drives...onboard termination circuits. Table 11: Interface transfer rates supported Interface type/ drive models SE ST373405LC ST373405LW ST336605LC LVD ST373405LC ST373405LW ST336605LC Maximum transfer rate Asynchronous Fast-5 yes yes Fast-10 yes ...
...Cheetah 73LP Product Manual, Rev. However, they don't support. Some type of external termination circuits must all devices on a daisy-chain interface in section 6 of the equipment into the PCBA or bulkhead connectors. Table 11 shows the interface transfer rates supported by the end user or designers of ANSI Standard T10/1302D. The drives...onboard termination circuits. Table 11: Interface transfer rates supported Interface type/ drive models SE ST373405LC ST373405LW ST336605LC LVD ST373405LC ST373405LW ST336605LC Maximum transfer rate Asynchronous Fast-5 yes yes Fast-10 yes ...
Product Manual
Page 65
...-294-5 W/O Strain Relief (25 mil conductor centers, 30 AWG wire). No possibility for the equipment user to the host equipment 80-pin disk drive interface connector(s) should especially not be allowed, since the length of the DC power carrying conductors could not... strongly recommended. To insure that both drive connector and host equipment mating connector mate properly, both drive connector and host equipment mating connector must be allowed, since the power-carrying conductors on cables are recommended. Cheetah 73LP Product Manual, Rev. C 55 To minimize discontinuances...
...-294-5 W/O Strain Relief (25 mil conductor centers, 30 AWG wire). No possibility for the equipment user to the host equipment 80-pin disk drive interface connector(s) should especially not be allowed, since the length of the DC power carrying conductors could not... strongly recommended. To insure that both drive connector and host equipment mating connector mate properly, both drive connector and host equipment mating connector must be allowed, since the power-carrying conductors on cables are recommended. Cheetah 73LP Product Manual, Rev. C 55 To minimize discontinuances...
Product Manual
Page 73
...for Tables 12 through 15. [1] See Section 9.6.4.1 for host front panel hard drive activity indicator. [5] Asserted by host to enable Motor Start option (enables ... exclusive. Drive will not operate I /O "DIFFSENS" line). Drives must be exposed to high voltage differential environments unless the common mode voltages in the environment are multimode devices. Cheetah 73LP Product Manual, Rev....8 bit devices which are tied high by the Host equipment designers or end users. The SE alternative for singleended and low voltage differential devices (see the ANSI SPI-3 specification T10/1302D).
...for Tables 12 through 15. [1] See Section 9.6.4.1 for host front panel hard drive activity indicator. [5] Asserted by host to enable Motor Start option (enables ... exclusive. Drive will not operate I /O "DIFFSENS" line). Drives must be exposed to high voltage differential environments unless the common mode voltages in the environment are multimode devices. Cheetah 73LP Product Manual, Rev....8 bit devices which are tied high by the Host equipment designers or end users. The SE alternative for singleended and low voltage differential devices (see the ANSI SPI-3 specification T10/1302D).
Product Manual
Page 75
These values are from the SPI-3 document. All device I /O driver and receiver circuits depends on several factors. C 65 9.7.1.1 Single-ended drivers/receivers The maximum total cable length allowed with drives using single-ended I /O lines must have equal to or less than 25 pf capacitance to ground, measured at the beginning of drive usage. Table 16 lists the maximum lengths allowed for single-ended circuits I/O transfer rate Table 16: Cable characteristics for different configurations of the stub. Cheetah 73LP Product Manual, Rev.
These values are from the SPI-3 document. All device I /O driver and receiver circuits depends on several factors. C 65 9.7.1.1 Single-ended drivers/receivers The maximum total cable length allowed with drives using single-ended I /O lines must have equal to or less than 25 pf capacitance to ground, measured at the beginning of drive usage. Table 16 lists the maximum lengths allowed for single-ended circuits I/O transfer rate Table 16: Cable characteristics for different configurations of the stub. Cheetah 73LP Product Manual, Rev.