Specifications

 

The following table provides a description of the hardware specifications for the SCSI interface 3.5" 1.44MB floppy disk drive models FD235HSxxxx.

 

Model Name:

711

911

1011

1111

Status:

Discontinued

Discontinued

Discontinued

Current

Front Bezel:

Dark Beige (AT)

Eject Button:

Dark Beige (AT)

Internal Buffer:

31KB

LED Indicator:

Amber

Interface Connector:

Standard 50-pin connector

Signal Interface:

SCSI (Small Computer System Interface: ANSI standardX3.131-1986)

Operation Mode Write / Read:

2MB mode

1MB mode

Disk Used
(90mm / 3.5"):

High density (2HD)

Normal density (2DD)

Data Transfer Rate:

500KBps

250KBps

Unformatted Data Capacity:

2MB

1MB

 

Rotational Speed:

300rpm

Track Density:

5.3 track/mm (135tpi)

Track to Track Time:

3ms

Required Power:

+5V single (4.5V ~ 5.5V)

Terminator:

220 / 330 Ohm ±5% detachable (provided at factory)

Specification of Parity:

ON at factory, ON / OFF switchable

Specification of SCSI:

ID=0 at factory, switchable SCSI ID 0 to 7

Logical Unit Number:

LUN=0 at factory

Dimensions:

101.6 W X 33.3 H X 166 D mm

Weight:

480g

Mounting:

Vertical/horizontal with spindle motor down

MTBF:

30,000 POH

Safety Standards:

1011, 1111: UL, CSA, TUV

711, 911:     UL, CSA