kiki@uhunix1.uhcc.Hawaii.Edu (Jack W. Wine) (05/15/91)
Here's some specs from Teac and Brier Technology brochures:
Teac 3.5" embedded SCSI floppy drive
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o Built-in SCSI interface reduce host computer loads
o Built-in 30KB data buffer makes transfer rates up to 556KB/s possible
o FD-235HS offers 2MB capacity and the FD-235JS, 4MB capacity
o Single +5V DC power operation
SCSI controller specs
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data buffer: 30KB
terminator: mounted (removable)
SCSI ID: SCSI ID = 0 (when shipped)
Parity stop: On/Off possible (Off when shipped)
Drive specs
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data transfer: 250Kb/s, 500Kb/s, 1Mb/s
rotation: 300rpm or 300/360rpm (FD-235JS)
average access time: 94ms
track-to-track seek: 3ms
settling time : 15ms
motor start time : 480ms or less
error rate : 10e-9 soft read, 10e-12 hard read, 10e-6 seek error
General
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MTBF: 10,000 hours or more
MTTR: 30 min or less
Power requirements: +5V DC +- 10% (+12V DC supply unnecessary)
Power consumption: .45W typical standby, 1.6/1.85W read/write (FD-235JS)
Dimensions (WxHxD): 105x42x162mm (4.125x1.625x6.375in)
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Brier Technology Flextra 3.5" 25MB embedded-SCSI floppy drive
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o Twin Tier Tracking technology records precisely-positioned magnetic signal
on a barium ferrite disk to indicate where data is recorded. This is crit-
ical to STOR/MOR's high storage capacity
o Embedded servo/voice coil actuator
o Fast. Data access is on a par with fixed disks:
average access time: 35ms
track-to-track : 15ms
rpm : 720
data rate : 1.25MB/s
o Large data capacity: formats to 21.4MB
o Error rate: 1 in 10e9 correctable, 1 in 10e12 uncorrectable
o Dimensions (WxHxD): 4.000x1.625x5.750in
The drive is sold to OEMs in large quantity only. Q/Cor of Norcross, GA is
packaging the 25MB Flextra 3020 in internal ($849), external ($995), and PS/2
($1195) subsystems with everything necessary to plug and play with IBM PC com-
puters. Additional disks are $30 each.
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Addresses:
Teac Corp Teac Deutschland GmbH
Data Storage Division Arzbergstr. 10 D-8036
Musashino Center Bldg. Herrsching, F.R. Germany
1-19-18 Naka-cho, Musashino Ph: 08152-37080, Fax: 08152-370826
Tokyo 180, Japan
Ph: 0422-52-5041, Fax: 0422-55-2554
Teac America
7733 Telegraph Rd
Montebello, CA 90640
Ph: (213) 726-0303, Fax: (213) 727-7652
Q/Cor Brier Technology
One Meca Way Sales & Marketing Group
Norcross, GA 30093 25 Meca Drive
800-548-3420 Norcross, GA 30093
Ph: (404) 564-5550, Fax: (404) 381-2808
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Up-to-date specs on the Insite Floptical haven't been received, but a sales rep
stated that one U.S. company, Iomega Corp (manufacturer of Bernoulli drives),
has licensed their technology. The Insite drives will be manufactured in Japan
by an un-named company. The question of licensing the floptical drive and em-
bedded servo disk technology to Japanese companies was only answered by the
statement that Insite is preparing to make an announcement sometime in May.
Insite Peripherals
4433 Fortran Dr.
San Jose, CA 95134
(408) 946-8080