no disk drive detected at boot time

hi,
The computer is an DELL 1600SC with SATA RAID.
At boot time, no disk are detected.
I have tried with Ubuntu Edgy and Fedora Core 6 and I have the same troubles. Fedora Core 2 is running on the computer. it seems that Dell CERC ATA100/4ch is not supported by any driver.
see
http://www.mail-archive.com/[email protected]/msg20989.html

begin:vcard
fn:Jean-Max Reymond
n:Reymond;Jean-Max
org:CKR Solutions Open Source
email;internet:[email protected]
title:Responsable technique
tel;work:08 71 03 25 11
tel;fax:08 21 74 92 65
tel;cell:06 16 94 25 11
note:jabber: [email protected]
x-mozilla-html:FALSE
url:http://www.ckr-solutions.com
version:2.1
end:vcard

the output of dmesg when running Fedora Core 2
megaraid is nicely found

megaraid: found 0x101e:0x1960:bus 1:slot 2:func 0 scsi3:Found MegaRAID controller at 0xe0822000, IRQ:201
megaraid: [6.62:1.03] detected 1 logical drives.
megaraid: supports extended CDBs.
megaraid: channel[0] is raid.
megaraid: channel[1] is raid.
megaraid: channel[2] is raid.
megaraid: channel[3] is raid.
scsi3 : LSI Logic MegaRAID 6.62 254 commands 16 targs 7 chans 7 luns
scsi3: scanning scsi channel 0 for logical drives.
Vendor: MegaRAID Model: LD 0 RAID5 714G Rev: 6.62
Type: Direct-Access ANSI SCSI revision: 02
SCSI device sda: 1464287232 512-byte hdwr sectors (749715 MB)
sda: asking for cache data failed
sda: assuming drive cache: write through
SCSI device sda: 1464287232 512-byte hdwr sectors (749715 MB)
sda: asking for cache data failed
sda: assuming drive cache: write through
sda: sda1 sda2 sda3 sda4 < sda5 >
Attached scsi disk sda at scsi3, channel 0, id 0, lun 0
scsi3: scanning scsi channel 1 for logical drives.
scsi3: scanning scsi channel 2 for logical drives.
scsi3: scanning scsi channel 4 [P0] for physical devices.
scsi3: scanning scsi channel 5 [P1] for physical devices.
scsi3: scanning scsi channel 6 [P2] for physical devices.
scsi3: scanning scsi channel 7 [P3] for physical devices

begin:vcard
fn:Jean-Max Reymond
n:Reymond;Jean-Max
org:CKR Solutions Open Source
email;internet:[email protected]
title:Responsable technique
tel;work:08 71 03 25 11
tel;fax:08 21 74 92 65
tel;cell:06 16 94 25 11
note:jabber: [email protected]
x-mozilla-html:FALSE
url:http://www.ckr-solutions.com
version:2.1
end:vcard

no answers ?
here is the report of cat /proc/scsi/scsi :

Host: scsi3 Channel: 00 Id: 00 Lun: 00
Vendor: MegaRAID Model: LD 0 RAID5 714G Rev: 6.62
Type: Direct-Access ANSI SCSI revision: 02

does it exist a recent patch ? thanks for your tips

begin:vcard
fn:Jean-Max Reymond n:Reymond;Jean-Max
org:CKR Solutions Open Source email;internet:[email protected] title:Responsable technique tel;work:08 71 03 25 11
tel;fax:08 21 74 92 65
tel;cell:06 16 94 25 11 note:jabber: [email protected] x-mozilla-html:FALSE url:http://www.ckr-solutions.com version:2.1
end:vcard

You might want to take a look at this.

http://groups.google.com/group/linux.debian.bugs.dist/browse_thread/thread/54a1ca21b839ebf1/4a0cd669217f3c7d?lnk=st&rnum=1#4a0cd669217f3c7d

According to that email you need firmware 6.61 or lower to use the current megaraid-mm and mbox drivers, however apparently this firmware doesn't support disks greater than 128GB in size.

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Jean-Max Reymond
Sent: Monday, January 15, 2007 4:45 AM
To: [email protected]
Subject: Re: no disk drive detected at boot time

no answers ?
here is the report of cat /proc/scsi/scsi :

Host: scsi3 Channel: 00 Id: 00 Lun: 00
Vendor: MegaRAID Model: LD 0 RAID5 714G Rev: 6.62
Type: Direct-Access ANSI SCSI revision: 02

does it exist a recent patch ?
thanks for your tips
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