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From: root@dyson.iquest.net (John S. Dyson)
Subject: Re: Western Digital 2.5GB IDE HD doesn't work under FreeBSD !
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Message-ID: <4m02u4$c00@dyson.iquest.net>
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Organization: John S. Dyson's Machine
References: <aak2.830530576@Ra.MsState.Edu>
Date: Sun, 28 Apr 1996 15:30:12 GMT
Lines: 81
In article <aak2.830530576@Ra.MsState.Edu>,
Atif Ahmad Khan <aak2@Ra.MsState.Edu> wrote:
>
>I just bought a Western Digital 2.5GB hard drive and it doesn't
>seem to work under FreeBSD !
Hmmm... It works for me. The drive is very very fast!!!
>
>I have a very new ASUS motherboard with Award BIOS. The BIOS had
I do also.
>
>problems with the hard drive size. It didnt have any problems with
>2.1GB IDE HD but it was recognizing the 2.5 and 445MB drive.
>
My bios does also.
I took a look at fdisk on my drive and is says :-):
******* Working on device /dev/rwd3 *******
parameters extracted from in-core disklabel are:
cylinders=4999680 heads=1 sectors/track=1 (1 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=4999680 heads=1 sectors/track=1 (1 blks/cyl)
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 0 is:
<UNUSED>
The data for partition 1 is:
<UNUSED>
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
start 1, size 4999679 (2441 Meg), flag 80
beg: cyl 0/ sector 2/ head 0;
end: cyl 864/ sector 1/ head 0
My disklabel is:
# /dev/rwd3c:
type: unknown
disk: wd32500
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 64
sectors/cylinder: 4032
cylinders: 1239
sectors/unit: 4999679
rpm: 5400
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # milliseconds
track-to-track seek: 0 # milliseconds
drivedata: 0
6 partitions:
# size offset fstype [fsize bsize bps/cpg]
a: 584639 1 4.2BSD 2048 16384 16 # (Cyl. 0*- 144*)
b: 96768 584640 swap # (Cyl. 145 - 168)
c: 4999679 0 unused 0 0 # (Cyl. 0 - 1239*)
d: 4999679 0 unused 0 0 # (Cyl. 0 - 1239*)
e: 2159135 681408 4.2BSD 1024 8192 16 # (Cyl. 169 - 704*)
f: 2159136 2840543 4.2BSD 1024 8192 16 # (Cyl. 704*- 1239*)
I believe in the install process you could set the fdisk slice information
identically, and might be able to make progress with a disklabel like mine
above? Again, I don't boot from my 2.5GB Caviar, so I am not sure how
the bios interacts with this large of an IDE drive. BTW, I get about
8-9MBytes/sec read perf on this baby!!!
John
dyson@freebsd.org