Page 2 - Contents; Read Before You Begin
© 1992 Seagate Technology, Inc. All rights reservedPublication Number: 36182-001, Rev. B Seagate® , Seagate Technology® , and the Seagate logo are registeredtrademarks of Seagate Technology, Inc. SeaFAX , SeaFONE , SeaBoard , and SeaCache are trademarks of Seagate Technology, Inc. Other prod...
Page 3 - Do not touch the circuit board or the I/O connector pins.
Read before you begin... Verify that system power is off before attempting any installation. Observe static discharge precautions. Keep the drive in itsstatic-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 t...
Page 4 - ping a drive in a non-approved container voids the drive warranty.; Technical support services
Shipping. When transporting or shipping a drive, you must usea Seagate-approved container. Keep your original box. They areeasily 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 c...
Page 5 - Installation overview
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 candownload to your own computer. • The FINDTYPE.EXE utility is designed to make drive installa-tion easier. It ...
Page 9 - Supported system BIOS revisions
Supported system BIOS revisions These drives are AT interface compatible drives. The host systemBIOS 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...
Page 10 - Drive configuration; System Configuration
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, Seagate Slave present* Removed Installed Drive is Slave to anotherST...
Page 11 - Figure 1: ST9144 family AT drive setup
Caution. Improperly plugging the connector may damage thedrive. To prevent damage, the mating cable connector should bekeyed by blocking the hole for Pin-20. Master/Slave Configuration Jumpers PCB Pin 1 Key - Pin 20 (Removed) A CB D Drive is Master, no Slave drive present Drive is Master, Seagate Sl...
Page 12 - Drive Formatting; If the drive is to be made bootable be certain
Drive Formatting Seagate AT Interface drives are low-level formatted at the factoryand do not need low-level formatting. Drive partitioning should bedone using the DOS FDISK utility. Use DOS 3.3 or higher. If youare partitioning the boot drive, make sure that the primary DOSpartition is marked activ...
Page 13 - 4-Pin AT interface connector assignments
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 ...
Page 14 - Power management mode descriptions
Power management mode descriptions The ST9144 family drives feature four-phase power managementwith Active, Idle, Standby and Sleep modes. Power managementis required for low-power portable systems, and is enabledthrough a system-dependent set-up procedure. Consult yoursystem documentation for power...
Page 17 - Drive mounting; Figure 2: Approved mounting orientations
Drive mounting The drive can be mounted in any of the approved orientationsshown in Figure 2. A minimum clearance of 0.030 inches(0.762 mm) should be allowed around the entire perimeter of thedrive to allow for cooling airflow. Note. These mounting orientation recommendations do not applyto the ST90...
Page 18 - Mounting specifications; Caution. Do not exceed 3 inch-lbs torque for mounting screws.; Installation trouble-shooting
Mounting specifications The ST9144 family drives are built with metric mounting screwthreads. Screw inserti on depth is limi ted to 0.150 inches( 3 . 8 1 m m) ma x im u m o n t h e s i d e mo u n t i n g h o l e s a n d0.190 inches (4.82 mm) maximum on the bottom mounting holes.The screw size for th...
Page 19 - Before installing any new software, scan
Note. Most cables have a stripe down one side to designatethe Pin 1 location. Make sure Pin 1 on the interface cableconnector is connected to Pin 1 on the drive interface connec-tor and Pin 1 on the host connector. Refer to Figure 1 for thelocation of Pin 1 on the drive interface connector. • Check ...
Page 20 - Notes