Well, this much was certainly clearly evident in your first message. But, I wasn't asking which machine to buy. On Tue, 6 Mar 2001, Klarich, Terry wrote: > Because, If you have a choice of note book or lap top computers to use, it > is my opinion that the IBM models are not as easily configurable and > supportable. > > Terry > > -----Original Message----- > From: Janina Sajka [mailto:janina at afb.net] > Sent: Tuesday, March 06, 2001 10:31 AM > To: Klarich, Terry > Cc: 'speakup at braille.uwo.ca'; ma-linux at tux.org > Subject: RE: A Tale of Two SCSI CD ROMS > > > May I ask why you felt it necessary to send this post? > > On Mon, 5 Mar 2001, Klarich, Terry wrote: > > > Sorry, I can't help. However, my experience with IBM stink pads has been > > nothing but problems. > > > > Terry > > > > -----Original Message----- > > From: Janina Sajka [mailto:janina at afb.net] > > Sent: Sunday, March 04, 2001 4:09 PM > > To: speakup at braille.uwo.ca; ma-linux at tux.org > > Subject: A Tale of Two SCSI CD ROMS > > > > > > And, it's a tale of woe! <grin> > > > > I am trying to figure out why one of my ide-scsi CD ROM devices works just > > like it should, while the second one doesn't. > > > > I suppose it could be something to do with the complexity of the hardware > > setup. This is an IBM Thinkpad T20 attached to > > an IBM docking station--at least it's attached when both devices are > present > > together. The one CD ROM, and it's a CDRW, > > hence the ide-scsi, is on the Thinkpad itself in an IBM Ultrabay, as they > > call it. The second is in the dock, also in an > > ultrabay. > > > > I have no problems mounting the first, and no success at all mounting the > > second. In fact, when I try, I hard-hang the > > system so that I have to force power off--not even a ctrl-alt-del does the > > trick. > > > > The devices are definitely there. /proc/scsi/scsi reports: > > > > > > Attached devices: > > /Host: scsi0 Channel: 00 Id: 00 Lun: 00 > > Vendor: MATSHITA Model: UJDA310 Rev: 3.53 > > Type: CD-ROM ANSI SCSI revision: 02 > > Host: scsi0 Channel: 00 Id: 01 Lun: 00 > > Vendor: TEAC Model: CD-224E Rev: 2.7B > > Type: CD-ROM ANSI SCSI revision: 02 > > Host: scsi1 Channel: 00 Id: 06 Lun: 00 > > Vendor: CWS ORB2 Model: -SE U ID 6 Rev: D29 > > > > > > > > I have /dev/scd0 and /dev/scd1. If I try, just for grins, mounting > /dev/hde > > (the second device), I get a very polite error message suggesting that I > > should be using my ide-scsi. > > > > What I don't seem to have--and this is where I begin to lose my > > understanding of how this all works--is sr0 and sr1. These are referred to > > as the system boots--but they don't seem to be anywhere around: > > > > Mar 4 15:31:59 toccata kernel: Kernel command line: BOOT_IMAGE=current ro > > root=301 BOOT_FILE=/boot/vmlinuz-2.4.2 hdc=ide-scsi hde=ide-scsi > > Mar 4 15:31:59 toccata kernel: ide_setup: hdc=ide-scsi > > Mar 4 15:31:59 toccata kernel: ide_setup: hde=ide-scsi > > ... > > Mar 4 15:31:59 toccata kernel: ide1: BM-DMA at 0x1c18-0x1c1f, BIOS > > settings: hdc:pio, hdd:pio > > Mar 4 15:31:59 toccata kernel: CMD648: IDE controller on PCI bus 08 dev > 08 > > Mar 4 15:31:59 toccata kernel: PCI: Found IRQ 11 for device 08:01.0 > > Mar 4 15:31:59 toccata kernel: PCI: The same IRQ used for device 00:02.1 > > Mar 4 15:31:59 toccata kernel: CMD648: chipset revision 1 > > Mar 4 15:31:59 toccata kernel: CMD648: 100%% native mode on irq 11 > > Mar 4 15:31:59 toccata kernel: ide2: BM-DMA at 0x2000-0x2007, BIOS > > settings: hde:DMA, hdf:pio > > Mar 4 15:31:59 toccata kernel: ide3: BM-DMA at 0x2008-0x200f, BIOS > > settings: hdg:pio, hdh:pio > > Mar 4 15:31:59 toccata kernel: hda: IBM-DJSA-220, ATA DISK drive > > Mar 4 15:31:59 toccata kernel: hdc: UJDA310, ATAPI CD/DVD-ROM drive > > Mar 4 15:31:59 toccata kernel: hde: CD-224E, ATAPI CD/DVD-ROM drive > > Mar 4 15:31:59 toccata kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 > > Mar 4 15:31:59 toccata kernel: ide1 at 0x170-0x177,0x376 on irq 15 > > Mar 4 15:31:59 toccata kernel: ide2 at 0x2020-0x2027,0x2016 on irq 11 > > Mar 4 15:31:59 toccata kernel: hda: 39070080 sectors (20004 MB) w/1874KiB > > Cache, CHS=2584/240/63, UDMA(33) > > Mar 4 15:31:59 toccata kernel: Partition check: > > Mar 4 15:31:59 toccata kernel: hda: hda1 hda2 hda3 hda4 < hda5 hda6 hda7 > > hda8 hda9 hda10 > > > ... > > Mar 4 15:31:59 toccata kernel: SCSI subsystem driver Revision: 1.00 > > Mar 4 15:31:59 toccata kernel: scsi0 : SCSI host adapter emulation for > IDE > > ATAPI devices > > Mar 4 15:31:59 toccata kernel: Vendor: MATSHITA Model: UJDA310 > > Rev: 3.53 > > Mar 4 15:31:59 toccata kernel: Type: CD-ROM > > ANSI SCSI revision: 02 > > Mar 4 15:31:59 toccata kernel: Vendor: TEAC Model: CD-224E > > Rev: 2.7B > > Mar 4 15:31:59 toccata kernel: Type: CD-ROM > > ANSI SCSI revision: 02 > > Mar 4 15:31:59 toccata kernel: Detected scsi CD-ROM sr0 at scsi0, channel > > 0, id 0, lun 0 > > Mar 4 15:31:59 toccata kernel: Detected scsi CD-ROM sr1 at scsi0, channel > > 0, id 1, lun 0 > > Mar 4 15:31:59 toccata kernel: sr0: scsi3-mmc drive: 20x/20x writer cd/rw > > xa/form2 cdda tray > > Mar 4 15:31:59 toccata kernel: Uniform CD-ROM driver Revision: 3.12 > > Mar 4 15:31:59 toccata kernel: sr1: scsi3-mmc drive: 24x/24x cd/rw > xa/form2 > > cdda tray > > ... > > > > I can't imagine the SR0 and SR1 device designations are meaningless--but I > > don't see them in /dev. > > > > Any advice most appreciated. > > > > > > > > -- Janina Sajka, Director Technology Research and Development Governmental Relations Group American Foundation for the Blind (AFB) janina at afb.net (202) 408-8175 http://www.afb.org/gov.html The invention of the printing press has been named the crowning achievment of the past millenium. Yet, electronic publishing will soon eclipse it. Read our White Paper: "Surpassing Gutenberg" available at: http://www.afb.org/ebook.html Are you developing software? Make it accessible to blind computer users. Read http://www.afb.org/technology/accessapp.html to learn how.
