iXBT Labs - Computer Hardware in Detail






Panasonic SR-8586B

  • Enhanced IDE (ATAPI) interface.
  • Formats supported:
    • DVD-ROM : DVD-ROM, DVD-Video, DVD-R
    • CD-ROM : CD-ROM, CD-ROM XA, CD-DA, CD-I, CD-I Bridge, CD-MIDI, CD-G, CD-RW, CD-R, CD-TEXT Multisession (Photo-CD,CD-EXTRA)

  • Reads discs of 8 and 12 cm in diameter
  • Data buffer: 512 KBytes
  • Data rate:
    • DVD Transfer Rate 16X (21,600KByte/s)
    • CD Transfer Rate 48X (8,212KByte/s )

  • Access time:
    • DVD 105 ms
    • CD 90 ms

  • Installation: horizontal and vertical
  • Weight: 915 g

The drive came in the OEM package. The front panel has only a Load/Eject button. As there are 12x and 16x models of this drive under the same name they are always mixed up.

Test results

Quality of operation with CDs

CDWinBench 99

  • CDWinMark99 - 1480
  • CD-ROM Transfer Rate
    • Inside - 2840 KBytes/s
    • Outside - 6670 KBytes/s

  • CPU utilization - 9.2%
  • CD-ROM Access Time - 85.5 ms

Nero CD-Speed

The following information on the drive is obtained with the Drive check utility:

  • Vendor : MATSHITA
  • Product : DVD-ROM SR-8586
  • Firmware version : 3Z24
  • Buffer size : 512 KBytes
  • Maximum read speed : 8448 KBytes/sec (48 X)
  • CDDA accurate : yes
  • C2 pointers : yes
  • Speed settings : 8-20-32-40-48 X
  • Read RAW mode : yes

According to these data the drive supports all functions necessary for accurate capture of audio tracks.

Testing of the drive using a standard CD

Average Speed 33.03x
Start Speed 14.89x
End Speed 9.78x
Random Seek 76 ms
1/3 Seek 85 ms
Full Seek 139 ms
Reading type CAV
CPU usage 1x 1%
Accurate stream Yes
DAE quality Score 10
SpinUp Time 1.66 sec
SpinDown Time 0.23 sec
Disc Recognition Time 7.49 sec

CD-ROM Drive Analyzer

CD-R reading

CD-RW reading

Damaged CD reading

Reading of CD-ROM discs is uncertain, especially if discs are of poor quality. The speed was jumping much. And this affected the reading time.

Advanced DAE Quality(Nero CD-Speed)

Offset 2644 bytes (661 samples)
Sequential Read Test Average Speed: 15,83 X
Data Errors: 0
Sync Errors: 0
Harmonica Read Test Sync error at 04:21.26 (-1)
Sync error at 04:25.26 (-1)
Sync error at 04:36.01 (-1)
Sync error at 04:37.26 (-1)
Sync error at 04:42.51 (-1)
Sync error at 04:58.51 (-1)
Average Access Time: 138 ms
Data Errors: 173
Sync Errors: 6

Total Data Errors: 173
Total Sync Errors: 6
Quality Score: 95.5

On The Fly Copying Simulation Copying at 1 X
Copying at 2 X
Copying at 4 X
Copying at 6 X
Copying at 8 X
Copying at 10 X
too slow
Copying at 12 X
too slow
Copying at 16 X
too slow
CD Text Drive is capable of reading CD Text information
Subchannel Data Test 1
Track (01): 01
Relative position (01:05.00): 01:05.00
Absolute position (01:07.00): 01:07.00
Index (5): 5

Test 2
Track (17): 17
Relative position (01:33.00): 01:33.00
Absolute position (33:35.00): 33:35.00
Index (1): 1

Test 3
Track (36): 36
Relative position (00:00.00): 00:00.00
Absolute position (70:02.00): 70:02.00
Index (1): 1

Leadin Drive cannot read data from the Leadin
Leadout Drive cannot read data from the Leadout

Soundtrack extraction from audio CDs (CDDAE 99)

Licensed CD Pirated CD
Average extraction speed 15.7x 12.4x
Total errors 0.00% 0.00%

Direct copying of data from a 780 MBytes CD-R onto a hard disc.

The drive read the 780 MBytes disc very good. The time of full copying is 5 min. 5 sec.

Quality of operation with DVD discs

Nero DVD Speed

Testing with a two-layer DVD disc

Average Speed 6.25x
Start Speed 3.43x
End Speed 4.38x
Random Seek 104 ms
1/3 Seek 110 ms
Full Seek 206 ms
Reading type CAV
CPU usage 1x 15%
SpinUp Time N/A sec
SpinDown Time 0.16 sec
Layer Change Time 51 ms
Disc Recognition Time 10.55 sec

DVD-Video playback with the Cyberlink PowerDVD 2.55

The DVD-Video was played without any problems; no artifacts were noticed. Changing of the layer didn't affect the quality of reproduction.

Noise characteristics.

  • Tray - 5/10
  • CD
    • Seek - 6/10
    • Total noise - 6/10

  • DVD
    • Seek - 7/10
    • Total noise - 7/10

At the maximum and reduced speed the noise level was quite high. Speed reduction is possible only with the help of external programs (CDBremse, Nero DriveSpeed): 48x-40x-32x-20x-8x.


When working with badly balanced CDs the drive didn't shine. It vibrated quite much. However, vibration didn't prevent from reading discs at a high speed.

Thermal conditions.

There are no any complains about its thermal conditions. The data were read after an intensive 2-hour operation:

T inside the case - 35°C
T of the upper surface - 41°C
T of the lower surface - 43°C

Possibility to make the drive region free (RPC-1).

According to www.firmware.fr.st, you can change the firmware version to make the drive region free.

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