Linux-Hardware Digest #372, Volume #13            Mon, 7 Aug 00 15:13:08 EDT

Contents:
  Re: HELP! -  "mount: /dev/cdrom is not a valid block device" (Toby Hobson)
  Re: AC 97 on ASUS K7V-T (Martin von Weissenberg)
  Re: slow PIII850MHz performance... (EKK)
  Re: UDMA IDE Drive stops network transfers (David Steuber)
  Re: UDMA IDE Drive stops network transfers (David Steuber)
  Re: WInmodem->winenulator=solution? (Mimmo, Zanzara Blob)
  Re: UDMA IDE Drive stops network transfers (Stewart Honsberger)
  Re: The Rage Fury Xpert2000 is not yet supported with Red Hat 6.2, (David St.Clair)
  Re: REQ video acceleration (David St.Clair)
  Re: Are all external modems linux compatible? ([EMAIL PROTECTED])
  Re: WInmodem->winenulator=solution? ("Nick")
  Re: Dual processor board? ([EMAIL PROTECTED])
  Re: Combined copy machine/laser printer ? ([EMAIL PROTECTED])
  Re: mother boards needed ([EMAIL PROTECTED])
  Re: nic doesn't work! (Bartek Kostrzewa)
  Re: Advice for celeron vs pentium under Linux
  Re: Why is my harddisk so slow? ("Jim Orfanakos")
  cd writing in linux for a complete linux dummy... (Lou)
  Re: WInmodem->winenulator=solution? (Mimmo, Zanzara Blob)
  dual boot, two drives (Enkeleida Lakuriqi)
  Help with Printer (Paul Koch)
  Configuring X-server on Intel-810 chipset based PC. ("Harish")
  Re: UDMA IDE Drive stops network transfers (Dances With Crows)

----------------------------------------------------------------------------

From: Toby Hobson <[EMAIL PROTECTED]>
Subject: Re: HELP! -  "mount: /dev/cdrom is not a valid block device"
Date: Mon, 7 Aug 2000 17:14:25 +0100

On Mon, 07 Aug 2000, aflinsch wrote:
>Toby Hobson wrote:
>> 
>> On Sun, 06 Aug 2000, Glitch wrote:
>> >I believe this usually means that Linux doesn't know the drive exists
>> >therefore doesn't think that hdc is a device causing the error.  Are you
>> >sure that Linux realizes you have a cdrw and that it is indeed on hdc?
>> >The best way to tell is to look at the messages at boot time to see what
>> >all drives Linux finds; you might also be able to see in
>> >/var/log/messages or try issuing the command 'dmesg' at the prompt.
>> 
>> Linux definitely knows it's there - this is from dmesg:
>> "hdc: Hewlett-Packard CD-Writer Plus 8000, ATAPI CDROM drive"
>> 
>> However I've also seen this at startup:
>> "ide_setup: hdc=ide-scsi"
>> - Does this mean anything?
>> 
>
>Yep, it does. Your installation correctly identified your cdrw as a
>cdrw, and mostly set it up correctly. tye mounting a cd as follows
>"mount /dev/scd0 /mnt/cdrom2 " and see if that works. if it does not,
>try "cdrecord -scanbus" as root, then try mounting the cd.

Thanks,

I tried this but linux won't recognise /dev/scd0 - this time I get:
"mount: the kernel does not recognize /dev/scd0 as a block device 
(maybe `insmod driver'?) "

Any ideas?

Thanks again,

Toby

------------------------------

From: Martin von Weissenberg <[EMAIL PROTECTED]>
Subject: Re: AC 97 on ASUS K7V-T
Date: Mon, 07 Aug 2000 19:24:25 +0300

Bartek Kostrzewa wrote:
> 
> Is there any howto around about the AC97 sound chipset? Even if I
> disable it I can't use sound with my SB PCI 128, and so I'm trying to
> get the on-board chipset running, that's one free slot, and one place
> for a cooler.
> 
> Bartek Kostrzewa

Did you find any solution?  I have a Compaq Deskpro which is one of the
few machines Compaq is touting as Linux compatible, and I'm getting fed
up with the onboard AC'97.  The AC'97 is an es1371 but when I try to
insert that module, I get "Device or resource busy".  I've been trying
to kick the shit out of the sound chip for too long now and I'm running
out of ideas.

--Martin

Martin von Weissenberg  +358-400-314159  www.handwise.com
GREAT WAKERING, part. vb.: Panic which sets in when you badly need to go
to the lavatory and cannot make up yor mind about what book or magazine
to take with you. (DA)

------------------------------

From: EKK <[EMAIL PROTECTED]>
Subject: Re: slow PIII850MHz performance...
Date: Mon, 07 Aug 2000 02:56:14 -0700

Steve Wolfe wrote:
> 
>   You forgot to tell us what type of application you're running.
> 
> steve


Finite Element Analysis code (Fortran77).  Heavy matrix
access, floating point, etc.


AG
-- 


Alessandro Giachino,  Software Engineer

EKK Inc.
2065 West Maple C309        tel. 248-624-9957
Walled Lake MI 48390        fax. 248-624-7158
_____________________________________________
                        http://www.ekkinc.com

------------------------------

Crossposted-To: comp.os.linux.misc
Subject: Re: UDMA IDE Drive stops network transfers
From: David Steuber <[EMAIL PROTECTED]>
Date: Mon, 07 Aug 2000 17:00:06 GMT

Duane <[EMAIL PROTECTED]> writes:

' To see how (or whether) DMA is operating, have you tried hdparm?
' http://www.linuxnewbie.org/nhf/intel/hardware/hdtweak.html

Never heard of it.  Thanks a bunch for mentioning it!

root@apostrophe:/home/david/src/apache_1.3.12 > hdparm -c /dev/hda

/dev/hda:
 I/O support  =  0 (default 16-bit)
root@apostrophe:/home/david/src/apache_1.3.12 > hdparm -t /dev/hda

/dev/hda:
 Timing buffered disk reads:  32 MB in 11.63 seconds = 2.75 MB/sec
root@apostrophe:/home/david/src/apache_1.3.12 > hdparm -c 1 -d 1 /dev/hda

/dev/hda:
 setting 32-bit I/O support flag to 1
 setting using_dma to 1 (on)
 I/O support  =  1 (32-bit)
 using_dma    =  1 (on)
root@apostrophe:/home/david/src/apache_1.3.12 > hdparm -t /dev/hda

/dev/hda:
 Timing buffered disk reads:  32 MB in  2.31 seconds =13.85 MB/sec
root@apostrophe:/home/david/src/apache_1.3.12 > hdparm -k 1 /dev/hda

/dev/hda:
 setting keep_settings to 1 (on)
 keepsettings =  1 (on)

Big improvement!

-- 
David Steuber   |   Hi!  My name is David Steuber, and I am
NRA Member      |   a hoploholic.
http://www.m-w.com/cgi-bin/dictionary?book=Dictionary&va=hoplite&submit=Look+it+up

The problem with AI is that it has a mind of its own
        --- Devon Miller

------------------------------

Crossposted-To: comp.os.linux.misc
Subject: Re: UDMA IDE Drive stops network transfers
From: David Steuber <[EMAIL PROTECTED]>
Date: Mon, 07 Aug 2000 17:00:06 GMT

[EMAIL PROTECTED] (Kenneth R=F8rvik) writes:

' >My first thought was that the interrupt for the IDE drive was taking
' >up all the CPU time so that the NIC couldn't be serviced.  But a
' =

' You're probably right :) Try "hdparm -u1 /dev/hd<device letter>". This =
will =

' turn on IRQ unmasking for the drive, reducing CPU overhead when there i=
s =

' large amounts of disk I/O. For some setups, this option is considered =

' dangerous (CMD640B and RZ1000), but most people should be OK.

Man hdparm has dire warnings about this one.  But I sure could use the
speed.  The machine I am setting up as a server uses the Abit VH6
board with Via chipset.  Will this be safe?  Another machine that
could use a boost is a Gateway 2000 G6-200.  Will that be safe?  I
really can't afford to scramble the disks, and I have no place to
backup too :-(.

-- =

David Steuber   |   Hi!  My name is David Steuber, and I am
NRA Member      |   a hoploholic.
http://www.m-w.com/cgi-bin/dictionary?book=3DDictionary&va=3Dhoplite&subm=
it=3DLook+it+up

The problem with AI is that it has a mind of its own
        --- Devon Miller

------------------------------

From: [EMAIL PROTECTED] (Mimmo, Zanzara Blob)
Subject: Re: WInmodem->winenulator=solution?
Date: Mon, 07 Aug 2000 17:08:20 GMT

On Sun, 6 Aug 2000 23:46:56 +0100, "Nick" <[EMAIL PROTECTED]>
wrote:
>Wine stands for Wine Is Not an Emulator. : )
Oh well!:) 
But there's a win emulator fr linux out there anyway?
Thanks
Ciao:!)
--

http://mimmo.cjb.net

------------------------------

From: [EMAIL PROTECTED] (Stewart Honsberger)
Crossposted-To: comp.os.linux.misc
Subject: Re: UDMA IDE Drive stops network transfers
Reply-To: [EMAIL PROTECTED]
Date: Mon, 07 Aug 2000 17:12:23 GMT

On Sun, 06 Aug 2000 19:31:28 -0700, Duane wrote:
>> In `make menuconfig' there is a `Use DMA by default when available'
>> option under `block devices'.  I've got it turned on.  Is there
>> something else I have to do, or are IDE drives just fundamentally
>> screwed up this way.  I hate the idea of disk access bringing other io
>> and perhaps even the CPU to a halt.  I can't afford to install the
>> equivalent amount of SCSI disk.
>
>To see how (or whether) DMA is operating, have you tried hdparm?
>http://www.linuxnewbie.org/nhf/intel/hardware/hdtweak.html

I just tried it on my drives, both UDMA 33, and got the following results;

blackdeath:~ # hdparm -tT /dev/hda

/dev/hda:
 Timing buffer-cache reads:   128 MB in  2.69 seconds = 47.58 MB/sec
 Timing buffered disk reads:  64 MB in  4.73 seconds = 13.53 MB/sec
blackdeath:~ # hdparm -tT /dev/hdb

/dev/hdb:
 Timing buffer-cache reads:   128 MB in  2.55 seconds = 50.20 MB/sec
 Timing buffered disk reads:  64 MB in  7.78 seconds =  8.23 MB/sec
blackdeath:~ # hdparm -d /dev/hdb

using_dma was enabled for both drives but not 32 bit I/O support. I enabled
it on both drives and didn't really get any speed increase, except the cache
reads on hdb have improved by about 5MB/sec.

Are these speeds typical of UDMA33 equipment (as measured by hdparm)?

-- 
Stewart Honsberger (AKA Blackdeath) @ http://tinys.cx/blackdeath
[EMAIL PROTECTED]  (Remove 'thirteen' to reply privately)
Humming along under SuSE 6.4, Linux 2.4.0-test5

------------------------------

From: David St.Clair <[EMAIL PROTECTED]>
Subject: Re: The Rage Fury Xpert2000 is not yet supported with Red Hat 6.2,
Date: Mon, 07 Aug 2000 17:30:01 GMT

No, it IS supported in Redhat 6.2  XFree86 3.3.6 or greater supports the 
Rage Fury 128 and Xpert 2000.  (3.3.6 only has 2D support for regular 
desktop applications.)  If you havn't already got redhat, I would suggest 
waiting for Redhat 7.0.  It's right around the corner.  It's in it's beta 
stage right now and can be downloaded imediately if you have the bandwidth.

David St.Clair

Dave Stacey wrote:
> 
> 
> The Rage Fury Xpert2000 is not yet supported with Red Hat 6.2, Does this
> mean there is no point in installing Linux?
> Dave
> 
> 


--
Posted via CNET Help.com
http://www.help.com/

------------------------------

From: David St.Clair <[EMAIL PROTECTED]>
Subject: Re: REQ video acceleration
Date: Mon, 07 Aug 2000 17:30:01 GMT

I'd highly recommend trying Redhat 7.0 in a few weeks (when it's not in 
beta).  It contains XFree 4.01 and it supports a lot (but not everything 
yet)  It supports acceleration for many cards too.  Redhat 7.0 is in beta 
right now and if you really would like to, you can download it right away.

David St.Clair


alexisc wrote:
> 
> 
> 
> Hello peeps,
> RH6.0, celeron 400 winputer
> I wonder if someone could advise me.  I tried ages ago to set up xfree86 
on
> my machine but it just crashed xwindows and threw up all over me - no I 
lie
> it threw horrible error messages at me.  Now I understand (another lie, I
> probably don't understand at all)  that under linux I can improve my 
video
> cards' performance (an unbranded intel 740 win9x blah blah blah pci 
card),
> which works superbly under windows, but gives reduced performance under
> linux, like it is in windows with the acceleration turned off.  
Particularly
> annoying when scrolling web pages.  So I wonder if someone could guide me 
in
> the right direction setting up xfree86, as my hardware doesn't appear to 
be
> covered very well - ok so I checked out the vid card and it appears to be
> pretty obsolete anyway.
> 
> Thanks in advance,
> Alexis
> --
> --Scraping by on coins I found in the sofa--
> 
> 


--
Posted via CNET Help.com
http://www.help.com/

------------------------------

From: [EMAIL PROTECTED]
Subject: Re: Are all external modems linux compatible?
Date: Mon, 7 Aug 2000 17:23:34 GMT
Reply-To: [EMAIL PROTECTED]

In <Magj5.3187$[EMAIL PROTECTED]> "Psyches" 
<[EMAIL PROTECTED]> writes:

>I need to get a cheap external modem that'll work with Linux.  From
>information I've gathered it seems that all external modems will work with
>Linux - but is this true or does anyone know of any external winmodems to be
>avoided?

Avoid all external modems which connect to the parallel port, and, for
now, avoid USB. Until 2.4.x isn't ready, I would not try to use an USB
modem, at least not for day-to-day exclusive use.
Any serial port modem Should Just Work (TM).

HTH,
Uli
-- 
Dipl. Inf. Ulrich Teichert|e-mail: [EMAIL PROTECTED]
Stormweg 24               |listening to: Speed Of Life (Buzzcocks),
24539 Neumuenster, Germany|Cheap Excitement (Stratford Mercenaries)

------------------------------

From: "Nick" <[EMAIL PROTECTED]>
Subject: Re: WInmodem->winenulator=solution?
Date: Mon, 7 Aug 2000 18:43:38 +0100

> But there's a win emulator fr linux out there anyway?

Yes, Wine will allow you to run some Windows programs under Linux. It's just
not technically speaking a Windows emulator.

---
Nick



------------------------------

Subject: Re: Dual processor board?
From: [EMAIL PROTECTED]
Date: Mon, 07 Aug 2000 17:54:17 GMT

Chris Rankin <au.zipworld.com@{no.spam}rankinc> writes:

> IO APIC #2......
> .... register #00: 02000000
> .......    : physical APIC id: 02
> .... register #01: 00170020
> .......     : max redirection entries: 0017
> .......     : IO APIC version: 0020
>  WARNING: unexpected IO-APIC, please mail
>           to [EMAIL PROTECTED]

What this suggests to me is that APICs are given versions, and that
Linux is warning you it doesn't know anything about this version so it
may not be compatible.  Odds are good that there's a rule about when
APIC versions change, so probably yours _is_ incompatible... but the
new versioning could just be to indicate new functionality, not broken
old functionality.

Of course, the proper solution is for me to look for this text in the
kernel source, but I don't have the kernel source at the moment.

-- 
Eric McCoy ([EMAIL PROTECTED])

"And what happens?  The guy goes and proves himself beyond all doubt
to be just another cookie stamped out of the Dough of Idiocy with the
Cookie-Cutter of Self-Righteousness."  - Mike Kozlowski

------------------------------

Subject: Re: Combined copy machine/laser printer ?
From: [EMAIL PROTECTED]
Date: Mon, 07 Aug 2000 17:55:49 GMT

Joerg Morbitzer <[EMAIL PROTECTED]> writes:

> I would like to buy a combined copy-machine/laser
> printer which is also supported by Linux.

Just as an FYI, I've heard absolutely terrible things about these
"all-in-one" devices.  Apparently, companies which otherwise have a
good reputation for quality and reliability have turned out
low-quality products in this area.

-- 
Eric McCoy ([EMAIL PROTECTED])

"felon, n.: A person of greater enterprise than discretion, who in
 embracing an opportunity has formed an unfortunate attachment."

------------------------------

From: [EMAIL PROTECTED]
Subject: Re: mother boards needed
Date: Mon, 07 Aug 2000 17:52:15 GMT

Visit tyan homepage!
www.tyan.com

In article <[EMAIL PROTECTED]>,
  L S <[EMAIL PROTECTED]> wrote:
> Hi,
>       For a Linux project I need mother boards with:
>
>       Micro-ATX or Flex-ATX layout
>       Intel 810 video
>       sound - at least ac97
>       2 serial ports (board header for #2 ok)
>       onboard ethernet chip
>       PXE
>       socket 370 for Celeron
>       2 SDRAM DIMM sockets
>       usb
>
> Does anyone know of such a board in production and available now?
> Thanks.
>


Sent via Deja.com http://www.deja.com/
Before you buy.

------------------------------

Date: Mon, 07 Aug 2000 20:02:09 +0200
From: Bartek Kostrzewa <[EMAIL PROTECTED]>
Subject: Re: nic doesn't work!

morgan wrote:
> 
> I use redhat 6.2. Nic is realtek 8139 (10/100M). It workes well before i
> reboot my system.when the system start ,it tell me some problems in eth0
> initializtion.

which problems?

-- 
Bartek kostrzewa - [EMAIL PROTECTED]
<<< http://technoage.web.lu >>>

------------------------------

From: <[EMAIL PROTECTED]>
Subject: Re: Advice for celeron vs pentium under Linux
Crossposted-To: linux.redhat.misc
Date: Mon, 07 Aug 2000 18:12:35 GMT

Mark Astley <[EMAIL PROTECTED]> wrote:

> Also, depending on which PII/III and Celery we're talking about,
> certain Celerons run their cache at core speed as opposed to 1/2 core
> with PII/III's.  I run dual Celeron 366's overclocked to 550.  These
> have 128k cache running at core speed, are cheap, and overclock fairly
> nicely.  PII/III's have bigger but slower caches (unless you're
> running Xeon).  Most people will tell you to trade faster for bigger
> when it comes to caches (within reason).


   The latest PIII run the cache at the full speed. Actually because of the
way the cache is setup the PIII cache on those E series chips will be faster
then the Celerons. Now the Celerons are much cheaper so it depends on what
your needs are. 

Nick

-- 
=============================
Anybody got plans for an ark?
=============================

------------------------------

Reply-To: "Jim Orfanakos" <[EMAIL PROTECTED]>
From: "Jim Orfanakos" <[EMAIL PROTECTED]>
Subject: Re: Why is my harddisk so slow?
Date: Mon, 07 Aug 2000 18:17:14 GMT

I am running RedHat 6.0 on a 486/50 Compaq Prolinea, 48MB RAM, with a
Western Digital 3 GB EIDE drive with 256 kB of cache:

hdparm -t = 1.49 MB/sec
hdparm -T = 10.60 MB/sec



<[EMAIL PROTECTED]> wrote in message news:8mm9oi$[EMAIL PROTECTED]...
> Cliff Pennock ([EMAIL PROTECTED]) wrote:
> : hdparm -t /dev/hda gives me on average  8Mb/s (slow!)
> : hdparm -T /dev/hda gives me on average 17Mb/s (waaaaaaay to slow!)
> : I've tried all I can think off, but it won't go any faster...
> : Anyone has any ideas?
>
> Oh! Yours is so fast!!! Look at mine:
>
> AM5x86-133, UMC-8881 chipset with on-board IDE. Harddisk is Maxtor 15G
> (5400rpm type, model number forgotten).
> Linux 2.2.16(Slackware 7.0 upgraded)
>
> >$ hdparm -t /dev/hdb
> (no result, because it's too slow to wait...)
> >$ time dd if=/dev/hdb1 of=/dev/NULL bs=4096 count=500000
> total time: 239m **s .... Oh! My God!
>
> Even older drive gives better result than it!
> Quantum Fireball 1.2G: 2-3 MB/s
>
> Any suggestion? I tried to use hdparm to set some flags but of no use.
>



------------------------------

From: Lou <[EMAIL PROTECTED]>
Subject: cd writing in linux for a complete linux dummy...
Date: Mon, 07 Aug 2000 18:30:04 GMT

hey.

I want to know how to set up my ide cd-writer (hp cdwriter+ 8100i) in 
linux.  I've read the HOW TOs, but I am completely brand new to linux and 
they are way over my head.  I was wondering if someone would be willing to 
give me some help setting up my burner.  please assume I know very little 
about linux.  thanks for any help you can give me.

regards,

lou

--
Posted via CNET Help.com
http://www.help.com/

------------------------------

From: [EMAIL PROTECTED] (Mimmo, Zanzara Blob)
Subject: Re: WInmodem->winenulator=solution?
Date: Mon, 07 Aug 2000 18:51:01 GMT

Nick:
>Yes, Wine will allow you to run some Windows programs under Linux. It's just
>not technically speaking a Windows emulator.
no other than that are there?
where i can find them?
--

http://mimmo.cjb.net

------------------------------

From: Enkeleida Lakuriqi <[EMAIL PROTECTED]>
Subject: dual boot, two drives
Date: Mon, 07 Aug 2000 15:02:57 -0400
Reply-To: [EMAIL PROTECTED]

I use my computer 50-50 Linux-Windows which I have on two separate
drives. In order to change OS� I physically� disconnect one drive and
connect
the other one. Is there a more elegant solution for this? I don't want
to have
both disks on in a master-slave config, b/c one disk would always spin
idly.
Caddy is a possibility, anything else?

Vlad


------------------------------

From: Paul Koch <[EMAIL PROTECTED]>
Subject: Help with Printer
Date: Mon, 07 Aug 2000 14:55:41 -0400

I am trying to get a Xerox 4220 printer running in HP mode running over
ethernet using RedHat 6.2.  We are able to get other HP printers
working, we must be missing something. Any help would be appreciated, we
are running out of things to try!!!

thanks
Paul


------------------------------

From: "Harish" <[EMAIL PROTECTED]>
Subject: Configuring X-server on Intel-810 chipset based PC.
Date: Tue, 8 Aug 2000 00:38:24 +0530

Visit www.indiaitmarkets.com's product review section  for details.



------------------------------

From: [EMAIL PROTECTED] (Dances With Crows)
Crossposted-To: comp.os.linux.misc
Subject: Re: UDMA IDE Drive stops network transfers
Date: 7 Aug 2000 19:04:07 GMT
Reply-To: [EMAIL PROTECTED]

On Mon, 07 Aug 2000 17:12:23 GMT, Stewart Honsberger wrote:
>I just tried it on my drives, both UDMA 33, and got the following results;
>/dev/hda:
> Timing buffer-cache reads:   128 MB in  2.69 seconds = 47.58 MB/sec
> Timing buffered disk reads:  64 MB in  4.73 seconds = 13.53 MB/sec
>/dev/hdb:
> Timing buffer-cache reads:   128 MB in  2.55 seconds = 50.20 MB/sec
> Timing buffered disk reads:  64 MB in  7.78 seconds =  8.23 MB/sec
>using_dma was enabled for both drives but not 32 bit I/O support. I enabled
>it on both drives and didn't really get any speed increase
>Are these speeds typical of UDMA33 equipment (as measured by hdparm)?

/dev/hda:
 Timing buffered disk reads:  64 MB in  4.94 seconds = 12.96 MB/sec
/dev/hdb:
 Timing buffered disk reads:  64 MB in  4.88 seconds = 13.11 MB/sec

VIA MVP3 chipset w/VIA UDMA support enabled in kernel 2.2.16, hdparm
-u1 -c1 -m16 -d1 applied to both drives.  The figures are even better
with the 2.4.x test kernels, but overall performance is still worse with
2.4 thanks to the ongoing VM problems.  My early '97 laptop gets 3M/sec
even with everything tweaked for hdparm, so 13M sounds great to me....

-- 
Matt G|There is no Darkness in Eternity/But only Light too dim for us to see
Brainbench MVP for Linux Admin /   Tyranny is always better organized
http://www.brainbench.com     /    than freedom.
=============================/              ==Charles Peguy

------------------------------


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