Plextor PX-870A drives

Robert Ames robertames at
Fri Sep 17 12:24:10 UTC 2010

It claims to be able to play audio CDs.

$ cdrecord -prcap -dev 2,0,0
scsidev: '2,0,0'
scsibus: 2 target: 0 lun: 0
Cdrecord-Clone 2.01 (i386-unknown-freebsd8.0) Copyright (C) 1995-2004 J\xf6rg Schilling
Using libscg version 'schily-0.8'.
Device type    : Removable CD-ROM
Version        : 0
Response Format: 3
Capabilities   :
Vendor_info    : 'PLEXTOR '
Identifikation : 'DVDR   PX-870A  '
Revision       : '1.06'   
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Drive capabilities, per MMC-3 page 2A:
  Does read CD-R media
  Does write CD-R media
  Does read CD-RW media
  Does write CD-RW media
  Does read DVD-ROM media
  Does read DVD-R media
  Does write DVD-R media
  Does read DVD-RAM media
  Does write DVD-RAM media
  Does support test writing

  Does read Mode 2 Form 1 blocks
  Does read Mode 2 Form 2 blocks
  Does read digital audio blocks
  Does restart non-streamed digital audio reads accurately
  Does support Buffer-Underrun-Free recording
  Does read multi-session CDs
  Does read fixed-packet CD media using Method 2
  Does not read CD bar code
  Does read R-W subcode information
  Does return R-W subcode de-interleaved and error-corrected
  Does read raw P-W subcode data from lead in
  Does return CD media catalog number
  Does return CD ISRC information
  Does support C2 error pointers
  Does not deliver composite A/V data

  Does play audio CDs
  Number of volume control levels: 256
  Does support individual volume control setting for each channel
  Does support independent mute setting for each channel
  Does not support digital output on port 1
  Does not support digital output on port 2

  Loading mechanism type: tray
  Does support ejection of CD via START/STOP command
  Does not lock media on power up via prevent jumper
  Does allow media to be locked in the drive via PREVENT/ALLOW command
  Is not currently in a media-locked state
  Does not support changing side of disk
  Does not have load-empty-slot-in-changer feature
  Does not support Individual Disk Present feature

  Maximum read  speed:  8468 kB/s (CD  48x, DVD  6x)
  Current read  speed:  8468 kB/s (CD  48x, DVD  6x)
  Maximum write speed:  8468 kB/s (CD  48x, DVD  6x)
  Current write speed:  8468 kB/s (CD  48x, DVD  6x)
  Rotational control selected: CLV/PCAV
  Buffer size in KB: 2048
  Copy management revision supported: 1
  Number of supported write speeds: 10
  Write speed # 0:  8467 kB/s CAV (CD  48x, DVD  6x)
  Write speed # 1:  7056 kB/s CLV/PCAV (CD  40x, DVD  5x)
  Write speed # 2:  5645 kB/s CLV/PCAV (CD  32x, DVD  4x)
  Write speed # 3:  4234 kB/s CLV/PCAV (CD  24x, DVD  3x)
  Write speed # 4:  2822 kB/s CLV/PCAV (CD  16x, DVD  2x)
  Write speed # 5:  1411 kB/s CLV/PCAV (CD   8x, DVD  1x)
  Write speed # 6:     0 kB/s CLV/PCAV (CD   0x, DVD  0x)
  Write speed # 7:     0 kB/s CLV/PCAV (CD   0x, DVD  0x)
  Write speed # 8:     0 kB/s CLV/PCAV (CD   0x, DVD  0x)
  Write speed # 9:     0 kB/s CLV/PCAV (CD   0x, DVD  0x)

> Date: Fri, 17 Sep 2010 14:07:23 +0200
> From: freebsd at
> To: robertames at
> CC: freebsd-questions at
> Subject: Re: Plextor PX-870A drives
> On Thu, 16 Sep 2010 22:40:49 -0400, Robert Ames <robertames at> wrote:
> > 
> > I have a couple of Plextor PX-870A drives in different machines
> > (see below) that I'm trying to use with atapicam.  The drives mostly
> > work (booting, reading data, etc.) but for whatever reason neither
> > of them will play audio CDs using the "cdcontrol play" command.
> > They just sit there.  The drives never spin up. 
> Have you made sure that this drive can actually play audio CDs?
> I assume that drive exist that can't. It's easy to check:
> 	# cdrecord -prcap -dev 0,0,0
> Watch for the line "Does play audio CDs". This assumes you have
> ATAPICAM facility loaded.
> -- 
> Polytropon
> Magdeburg, Germany
> Happy FreeBSD user since 4.0
> Andra moi ennepe, Mousa, ...

More information about the freebsd-questions mailing list