Seagate ST31230DC, ST31230WC, ST31230WD, ST32430WD Drive configurator Hawk 2LP family W/WD model

Page 26

24 Hawk 2LP (Wide) Installation Guide, Rev. A

Drive with HDA up, PCB down, viewed from front

Pin 1

HDA

Pin 1

SCSI I/O

End

Connector

J6

Drive Front

J1-SCSI I/O

J6 [1]

Reserved

A3 A2

A1 A0

 

SCSI ID = 0

J1-DC Power Connector

J2

J1-Auxiliary

See Figure 3b

SCSI ID = 1

SCSI ID = 2

SCSI ID = 3

SCSI ID = 4

SCSI ID = 5

SCSI ID = 6

SCSI ID = 7

[3]

SCSI ID = 8

SCSI ID = 9

SCSI ID = 10

SCSI ID = 11

SCSI ID = 12

SCSI ID = 13

SCSI ID = 14

SCSI ID = 15

[4] Host

Reserved

 

 

 

 

 

Pins

 

 

 

 

 

Alternate

11

9

7

5

3

1

Usage Plug:

 

8

6

4

2

 

 

 

+5V

 

 

 

 

 

 

 

Ground

 

 

 

 

 

Remote LED

 

 

 

 

 

Pin 1

J2

Jumper

[8]

 

T D M W P S T

T

Positions

E S E P E S P P

 

Enable

 

[5]

Terminator

 

 

 

Delay

 

 

Motor Start

 

 

Enable

 

 

Motor Start

 

 

Write Protect

 

 

Parity Option

 

 

Term. Power

 

[5]

from Drive

 

 

Term. Power

 

[6]

to SCSI Bus

 

 

 

Term. Power

 

[5]

from SCSI Bus

 

 

 

Position A

Shipped with cover installed.

Do not install jumpers; retain cover

unless 20 pin plug is installed.

Optional connections to switching circuits in host equipment to establish drive ID. Pins 2, 4, 6 and 8 are driven low for 250 ms after PWR ON and reset to allow jumper selectable SCSI ID. [4]

[4]Dashed area is optional host circuitry (external to the drive)

connected to host supplied optional usage plug. Drive PCB circuitry for Pin 8 includes a 150 Ω series resistor.

Do not connect anything to pins 13-20.

Figure 3a. Drive configurator Hawk 2LP family W/WD model

Image 26
Contents Installation Guide Contents Introduction Electromagnetic interference EMI con- siderationsPage Before you begin Page Page Safety instructions Sicherheitsanleitung VorsichtInstallation Overview Page Product repair information Shipping Product repair and return informationTechnical support services SeaTDD telephone number 408/438-5382 SeaBOARD serviceSeaFone telephone number 408/438-8222 Modem Location NumberHawk 2LP family Wide information ModelInitial setup information Scsi interface cable connectionDC Power connection DC power connection, 68 pin Scsi I/O connectorScsi address selection Terminator resistor packs Write precompensation and reduced write current Optional parity bit enableRead/Write head auto-park Scsi I/O Drive configuration WD family 68 pin Scsi I/O drivesHawk 2LP family WC and DC model 80 pin Scsi I/O drives Drive configurator Hawk 2LP family W/WD model Drive configurator Hawk 2LP family W/WD models Drive configurator for Hawk 2LP family WC/DC models Page Off Removable terminator circuits are enabledInstalled Default setting DS METP TP TP Position aTors for single-ended I/O only Models W and WD only Model WC/DC onlyDrive installation Disc drive mountingHawk 2LP Wide Installation Guide, Rev. a Hawk 2LP Wide Installation Guide, Rev. a Grounding Scsi interface drives

ST31230DC, ST31230W, ST32430W, ST31230WD, ST32430DC specifications

Seagate, a pioneering force in the hard drive industry, introduced a series of SCSI disk drives in the early 1990s, notably the ST32430WC, ST32430WD, ST31230WC, ST32430DC, and ST31230WD. These drives showcased innovative features and cutting-edge technology for the era, establishing a benchmark for performance and reliability.

The ST32430WC and ST32430WD are notable for their high-performance capabilities. With a storage capacity of 2.1 GB, these drives were designed primarily for workstations and servers. They utilized a fast 10,000 RPM spindle speed, enabling quick data access and improved data throughput. The "WC" and "WD" designations indicate SCSI interface types, with the "WC" models featuring Wide SCSI support, offering increased data transmission rates. Additionally, the drives implemented Seagate's advanced error correction and data integrity technologies, which ensured reliability for enterprise applications.

On the other hand, the ST31230WC and ST31230WD offered similar specifications but came with slightly different capacities, reaching up to 1.0 GB. Like their higher-capacity counterparts, these drives provided wide interface capabilities and boasted robust error correction features. Their reliability and performance made them ideal for small servers and high-performance workstations where quick access to data was a crucial requirement.

The ST32430DC, or the "DC" model, was designed with a focus on different enterprise applications. This variant exhibited a dual-port SCSI interface, allowing for connectivity to multiple systems. This feature made it highly suitable for multiprocessing environments, where uptime and data access rates are paramount. The drive's design was geared towards high-availability systems that required redundancy and consistent performance.

All these models leveraged Seagate's commitment to building high-reliability drives with extended lifespans. They were equipped with advanced thermal management features, ensuring stable operation even under heavy workloads. This technological foundation, combined with superior craftsmanship, positioned Seagate as a leader in the SCSI market during this pivotal time in computing history.

As the technology landscape has evolved, the ST32430 and ST31230 series may now be considered retro, but their legacy remains significant. They paved the way for modern storage solutions, and their development reflects a crucial period in the evolution of data storage technology. The foundational principles established in these drives continue to influence the design and functionality of today's advanced storage systems.