Article View: comp.sys.mac.hardware.storage
Article #254FS: IBM 2.25 GB 7200 rpm SCSI drive - $250
From: Dan Blumenfeld
Date: Sat, 29 Nov 1997 00:00
Date: Sat, 29 Nov 1997 00:00
59 lines
2597 bytes
2597 bytes
FOR SALE: IBM 2.25 GB SCSI drive
This is a high-performance 2.25 GB, 7200 rpm, 3.5" half-height internal
SCSI-2 hard drive manufactured by IBM, model DFHS-S2F. Recently pulled
from a server for an upgrade, in excellent condition, formatted, and
checked with Windows 95 Disk Scan.
$250 + ship.
- Dan
DFHS-S2F Features:
Magneto resistive heads.
PRML data channel.
Spindle Synchronization.
User configurable block sizes.
512KB multi-segmented dual port data buffer.
Drive supported SCSI bus terminator power.
Industry standard mounting.
Low command overhead.
Read ahead caching.
Write cache support.
ECC on the fly.
Predictive failure analysis.
Configuration:
Interface SCSI-2 Narrow 50 pin
Formated device capacity 2.25 GB
Data heads 8
Disks 4
Performance:
Rotational speed 7200 RPM
Media transfer rate (avg) 12.07 MB/sec (instantaneous)
Interface transfer rate (max) 20.0 MB/sec
Latency average 4.17 ms
Seek time (typical)
Single cylinder (read) 0.6 ms
Average weighted (read) 7.8 ms
Full stroke (read) 16.5 ms
Spin up 13.2 sec
Power:
Idle 10.8 Watts
Seeking 13.5 Watts
+12V VDC start up 1.5 Amps
Physical size:
Height 25.4 mm
Width 101.6 mm
Depth 146.0 mm
Weight 460 g
Further specifications can be found on IBM's storage products webpage at:
http://www.storage.ibm.com/techsup/hddtech/dfhs/dfhstek.htm
Technical Details
Message-ID:
<65nvfi$pqc$1@dartvax.dartmouth.edu>Path:
arc1-ca.pugleaf.net!unknown!not-for-mailShow Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 1143e8,99c53cda6d757dd8 X-Google-Attributes: gid1143e8,public X-Google-Thread: 10db40,1266cd902ca69d29,start X-Google-Attributes: gid10db40,public X-Google-Thread: f64bf,1266cd902ca69d29,start X-Google-Attributes: gidf64bf,public From: djb@coos.dartmouth.edu (Dan Blumenfeld) Subject: FS: IBM 2.25 GB 7200 rpm SCSI drive - $250 Date: 1997/11/29 Message-ID: <65nvfi$pqc$1@dartvax.dartmouth.edu> X-Deja-AN: 293544590 Distribution: usa Organization: Dartmouth Medical School, Dartmouth College, Hanover NH Newsgroups: comp.sys.mac.hardware.storage,misc.forsale.computers.mac-specific.misc,biz.marketplace.computers.mac