Seagate ST31081A, CFS270A, CFS425A, ST31275A Steps, Master/Slave C/D Jumper Table, Cable Select CS

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INSTALLATION

Steps:

1.Turn off the computer and all attached peripheral equipment, such as printers and monitors.

2.Remove the screws attaching the computer’s cover, and remove the cover from the system.

3.Remove the drive from the ESD (Electro Static Discharge) bag, carefully placing the drive on your work surface.

4.Configure the disk drive jumpers as necessary. Refer to master/slave jumper table below for more details.

5.Connect the cables; align the colored striped edge of the interface cable to pin 1 of the drive interface connector.

6.Partially insert the drive into the drive bay. Select an unused power connector from the power supply and connect it to the drive. If there are no unused power connections on the power supply, you can purchase a “Y” cable adapter from your dealer. This connector will allow you to add another power connection for your new drive.

7.Now that the drives are jumpered, connected, and have power cables attached, secure the drive or the mounting frame with four 6-32x.25 screws.

CAUTION: Do not use screws of excess length when attaching the drive. Damage to the drive’s circuit board could result. The maximum insertion in

bottom holes is .25”, the maximum insertion for side holes is .125”.

C/D

 

 

 

Jumper

JUMPER TABLES

 

 

CS

 

 

 

Master/Slave (C/D) Jumper Table

 

 

 

Only drive in single drive system*

=

Jumper pins 1 & 2

 

Master (C:) drive in a dual drive system*

=

Jumper pins 1 & 2

 

Slave (D:) drive in a dual drive system

=

Remove jumper pins 1 & 2

 

Cable Select (CS)

(Refer to your system owner's manual for use of this function)

Disabled*

=

Remove jumper pins 5 & 6

Enabled

=

Jumper pins 5 & 6

J2, Pin 1

40-Pin Task File

Interface

J6

* Default setting

Cable Select

 

 

Master or Slave

 

 

Note: Pins 3, 4 and 7-18 are reserved and should not be used

C/D

CS

 

 

 

Jumper

8. All Seagate ATA disk drives are low level formatted at the factory.

 

 

 

 

 

 

 

 

 

 

It is only necessary to run SETUP, FDISK and DOS FORMAT.

 

 

 

 

9. AT BIOS (CMOS) setup ( refer to your system owners manual):

 

 

 

 

a)

Many newer computers will automatically install your Seagate

 

 

 

 

 

disk drive. Insure that your Master/Slave (C/D) jumper is properly configured.

 

 

b)

If the AT BIOS supports a user definable drive type, program the BIOS

 

 

 

 

 

to the parameters in the table below. NOTE: Precomp should be set to zero (0)

 

 

 

for all drives and the Landing Zone should be set to the number of cylinders.

 

 

c)

If the AT BIOS does not support user definable drive type select a drive type that is

 

close to the drives parameters, but do not exceed the drives formatted capacity.

 

 

d)

You may use the EZ-Drive®installation utility supplied with your Seagate disk drive

 

to do the configuration. Insert the EZ-Drive diskette into drive A:> and type EZ <ENTER>

 

and it will automatically configure the drive.

 

 

 

 

Master/Standalone

C/D CS

Jumper

Slave

 

 

Standard 4-Pin

 

 

Power Connector

 

 

 

C/D

CS

2 3

4

 

1

No Jumpers

 

 

Model

Heads

Cylinders

Sectors

Capacity *

CFS270A

14

600

63

270MB

CFS425A

16

839

62

426MB

ST3541A

14

1198

63

540MB

ST3635A

16

1238

63

638MB

ST3851A

16

1652

63

852MB

ST3851A1

16

1651

63

852MB

ST31081A

16

2097

63

1,082MB

ST31275A

16

2477

63

1,278MB

ST31621A

16

3146

63

1,623MB

* 1MB = 1,000,000 Bytes

10.The drive is now ready for partioning and high-level formatting with the operating system. If you did not use EZ-Drive (EZ-Drive performs these functions), 1.) partition the drive first using the FDISK command from MS-DOS version 3.3 or higher and 2.) high-level format the drive using the FORMAT command from MS-DOS.

EZ-Drive is the registered trademark of Micro House International, Inc.

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Contents 65-292-6973 FranceGermany AustraliaCable Select CS StepsMaster/Slave C/D Jumper Table Model Heads Cylinders Sectors
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ST3635A, ST3851A, CFS425A, ST31275A, ST3541A specifications

The Seagate ST3541A, ST31081A, ST316221A, and ST3851A1 are notable hard disk drives that played significant roles in the evolution of data storage technologies. Each of these models showcases key features and advancements suited for their respective eras.

The Seagate ST3541A, released in the early 1990s, was a 5.25-inch form factor drive that offered a storage capacity of 540 MB. It utilized a SCSI interface, which was optimal for high-performance applications at the time. The ST3541A operated at a spindle speed of 3,600 RPM, delivering reasonable data transfer rates for its generation. One of the standout features was its use of advanced magnetic recording technology, which improved data density and reliability. The drive also incorporated error correction algorithms, enhancing its data integrity for system-critical environments.

Moving on to the ST31081A, this drive marked a significant upgrade in storage capacity, featuring an 8.4 GB capacity. It also used a SCSI interface, catering to server and high-demand computer environments. Designed for performance, the ST31081A operated at a higher spindle speed of 5,400 RPM. This increase in speed allowed for faster data access and improved overall system performance. Additionally, the ST31081A implemented Seagate’s innovative Dynamic Data Rate (DDR) technology, which optimized the read/write operations.

The Seagate ST316221A, launched in the late 1990s, represented a leap in storage technology with its 16.6 GB capacity. This drive utilized an ATA/66 interface, accommodating the needs of emerging personal computers and workstations. At 5,400 RPM, it maintained a balance between performance and power consumption. Its features included an integrated shock sensor, which helped protect data during unexpected movement. The ST316221A also had improved caching mechanisms, facilitating faster data retrieval.

Lastly, the ST3851A1, introduced around the same time, was designed primarily for enterprise environments. With a robust 8.4 GB capacity and an emphasis on reliability, this drive featured enhanced error recovery protocols. It operated at a spindle speed of 7,200 RPM, making it suitable for applications that demanded high throughput and robustness. The ST3851A1 was also noteworthy for its noise reduction technology, which ensured quieter operation in data centers.

In summary, the Seagate ST3541A, ST31081A, ST316221A, and ST3851A1 drives exemplify the rapid advancements in hard disk technology throughout the 1990s. Their unique features, including varying capacities, interfaces, and technologies, reflect the evolving demands for faster, more reliable data storage solutions that laid the foundation for future innovations in the industry.