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ST9144 Family:
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ST9051A, ST9052A,
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ST9077A, ST9096A,
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ST9144A
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Installation Guide
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Contents Read Before You Begin . . . . . . . . . . . . . . . . . . 1 Technical support service . . . . . . . . . . . . . . . . . . 2 Installation overview . . . . . . . . . . . . . . . . . . . . . 3 ST9144 family drives . . . . . . . . . . . . . . . . . . . . . 5 AT interface setup . . . . . . . . . . . . . . . . . . . . . . 5 Power management mode descriptions . . . . . . . . . . . 12 Drive
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ST9144 Family Installation Guide, Rev. B 1 Read before you begin... Verify that system power is off before attempting any installation. Observe static discharge precautions. Keep the drive in its static-shielded bag until you are ready to complete the installa- tion. • Do not touch the circuit board or the I/O connector pins. • Always handle the drive by the edge or frame. Never apply pressure to the circuit board or to the drive top cover. Use a grounded wrist strap at your workstation; if una
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2 ST9144 Family Installation Guide, Rev. B Shipping. When transporting or shipping a drive, you must use a Seagate-approved container. Keep your original box. They are easily identified by the Seagate Approved Package label. Ship- ping a drive in a non-approved container voids the drive warranty. Seagate service centers may refuse receipt of components im- properly packaged or obviously damaged in transit. Call your authorized Seagate distributor to purchase additional boxes. Seagate recommends
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ST9144 Family Installation Guide, Rev. B 3 With this service you can access: • Specifications and configuration for Seagate products. • Reprints of Seagate documentation. • A directory of information and helpful utilities that you can download to your own computer. • The FINDTYPE.EXE utility is designed to make drive installa- tion easier. It compares the drive’s geometry with all geome- tries supported by the system BIOS. FINDTYPE either signals if an exact match exists between the drive geomet
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4 ST9144 Family Installation Guide, Rev. B geometry. CMOS configuration is system-dependent and is usually accomplished through a utility such as SETUP. • Low-level formatting. Seagate AT interface drives are low- level formatted at the factory and do not need low-level format- ting. Caution. If an installed drive is low-level formatted, all user data will be lost. Seagate Technology, Inc. assumes no liability for lost user data. • Partitioning. A drive can be subdivided into partitions that beh
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ST9144 Family Installation Guide, Rev. B 5 ST9144 family AT interface drives This guide provides installation information for the ST9051A, ST9052A, ST9077A, ST9096A, and ST9144A drives. All drives in this family automatically park their heads at power-down. Refer to Figure 1. Caution. These drives are usually installed in notebook or laptop systems. These computers require qualified or factory trained technicians to perform peripheral upgrades. Be sure to review the terms and conditions of your
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6 ST9144 Family Installation Guide, Rev. B Note that the final drive capacity shown by the CMOS and total sectors cannot exceed the values indicated in the last column of the following table as defined by the following equation: (Sectors)×(Heads)×(Cylinders) ≤ Total Sectors per Drive If your BIOS offers a “custom drive” or a “user-defined” drive type, you may use one of the configurations listed below. Total MBytes CMOS R/W Sect./ Model Cyl. Sect. / (F) MBytes (F) Heads Track Drive ST9051A 42.8
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ST9144 Family Installation Guide, Rev. B 7 Supported system BIOS revisions These drives are AT interface compatible drives. The host system BIOS must provide full support for the AT interface command set. Consult the system documentation for implementation informa- tion for your system. In accordance with the ATA/CAM specification, after a hard reset is received from the host, the BIOS must reset any emula- tion/translation parameters for the drive. The ST9144 family AT interface drives use 4 by
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8 ST9144 Family Installation Guide, Rev. B Drive configuration • Master/Slave configuration. Refer to the table below to con- figure up to two drives on a single AT bus. System Configuration Pins A-B Pins C-D Drive is Master, no Slave present Removed Removed Drive is Master, Removed Installed Seagate Slave present* Drive is Slave to another Installed Removed ST9144 Family AT Drive Reserved Positions (Do Not Use) Installed Installed *Includes ST125A, ST138A, ST157A, ST1102A, ST1144A, ST351A, ST30
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ST9144 Family Installation Guide, Rev. B 9 Caution. Improperly plugging the connector may damage the drive. To prevent damage, the mating cable connector should be keyed by blocking the hole for Pin-20. Figure 1: ST9144 family AT drive setup Note: The drive is shown with the PC Board up.
For ST9051A and Notch
ST9077A Only: A notch here indicates the drive has metric screw threads, thread Pin 1
size: M3x0.5
Master/Slave
Configuration Jumpers
Key - Pin 20 (Removed)
PCB
A C
B
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10 ST9144 Family Installation Guide, Rev. B Drive Formatting Seagate AT Interface drives are low-level formatted at the factory and do not need low-level formatting. Drive partitioning should be done using the DOS FDISK utility. Use DOS 3.3 or higher. If you are partitioning the boot drive, make sure that the primary DOS partition is marked active. Caution. If the drive was previously in use, make sure all data has been safely backed-up from the drive. Formatting or partition- ing at any level m
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ST9144 Family Installation Guide, Rev. B 11 44-Pin AT interface connector assignments Pin Signal I/O Pin Signal I/O 01 /Host Reset O 02 Ground 03 Host Data 7 I/O 04 Host Data 8 I/O 05 Host Data 6 I/O 06 Host Data 9 I/O 07 Host Data 5 I/O 08 Host Data 10 I/O 09 Host Data 4 I/O 10 Host Data 11 I/O 11 Host Data 3 I/O 12 Host Data 12 I/O 13 Host Data 2 I/O 14 Host Data 13 I/O 15 Host Data 1 I/O 16 Host Data 14 I/O 17 Host Data 0 I/O 18 Host Data 15 I/O 19 Ground 20 Key No Pin 21 Reserved 22 Ground
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12 ST9144 Family Installation Guide, Rev. B Power management mode descriptions The ST9144 family drives feature four-phase power management with Active, Idle, Standby and Sleep modes. Power management is required for low-power portable systems, and is enabled through a system-dependent set-up procedure. Consult your system documentation for power management information. ST9051A power management mode descriptions Active mode. The drive is in Active mode during the read/write and seek operations.
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ST9144 Family Installation Guide, Rev. B 13 Idle and standby timers. Default time delays for both the Idle timer and the Standby timer are set by the drive at power-on. These delays can also be specified by the user via the system Setup utility. Each time the drive performs an Active function (read, write or seek) the Idle timer is re-initialized, and begins the countdown from the specified delay time to zero. If the Idle timer reaches zero before any drive activity is required, the drive transi
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14 ST9144 Family Installation Guide, Rev. B Standby mode. The drive enters Standby mode when a Standby Immediate command is been received from the host. The drive can also enter Standby mode after a specifiable length of time has elapsed with the drive in Idle mode. The Standby timer is system-dependent, and is usually established by the user with a system utility such as Setup. In Standby mode, the SeaCache buffer remains enabled, the heads are parked and the spindle is at rest. The drive accep
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ST9144 Family Installation Guide, Rev. B 15 Drive mounting The drive can be mounted in any of the approved orientations shown in Figure 2. A minimum clearance of 0.030 inches (0.762 mm) should be allowed around the entire perimeter of the drive to allow for cooling airflow. Note. These mounting orientation recommendations do not apply to the ST9052A, which may be mounted in any orientation. Figure 2: Approved mounting orientations ACCEPTABLE
NOT
RECOMMENDED
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16 ST9144 Family Installation Guide, Rev. B Mounting specifications The ST9144 family drives are built with metric mounting screw threads. Screw insertion depth is limited to 0.150 inches (3.81 mm) maximum on the side mounting holes and 0.190 inches (4.82 mm) maximum on the bottom mounting holes. The screw size for the bottom and the side mounting holes is M3X0.5. Caution. Do not exceed 3 inch-lbs torque for mounting screws. ST9051A only. ST9051A drive with part number 914003-XXX has standard sc
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ST9144 Family Installation Guide, Rev. B 17 Note. Most cables have a stripe down one side to designate the Pin 1 location. Make sure Pin 1 on the interface cable connector is connected to Pin 1 on the drive interface connec- tor and Pin 1 on the host connector. Refer to Figure 1 for the location of Pin 1 on the drive interface connector. • Check all cards. Make sure all cards are securely seated in the expansion slots on the motherboard. Full size (16-bit) cards cannot be plugged into half-size
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Notes
