ReadSpeed verbose mode question

  • SpinRite v6.1 is Released!
    Guest:
    That's right. SpinRite v6.1 is finished and released. For the full story, please see this page in the "Pre-Release Announcements & Feedback" forum.
    /Steve.
  • Be sure to checkout “Tips & Tricks”
    Dear Guest Visitor → Once you register and log-in:

    This forum does not automatically send notices of new content. So if, for example, you would like to be notified by mail when Steve posts an update to his blog (or of any other specific activity anywhere else), you need to tell the system what to “Watch” for you. Please checkout the “Tips & Tricks” page for details about that... and other tips!

    /Steve.
  • Announcing “BootAble” – GRC's New Boot-Testing Freeware
    Please see the BootAble page at GRC for the whole story.
  • BootAble – FreeDOS boot testing freeware

    To obtain direct, low-level access to a system's mass storage drives, SpinRite runs under a GRC-customized version of FreeDOS which has been modified to add compatibility with all file systems. In order to run SpinRite it must first be possible to boot FreeDOS.

    GRC's “BootAble” freeware allows anyone to easily create BIOS-bootable media in order to workout and confirm the details of getting a machine to boot FreeDOS through a BIOS. Once the means of doing that has been determined, the media created by SpinRite can be booted and run in the same way.

    The participants here, who have taken the time to share their knowledge and experience, their successes and some frustrations with booting their computers into FreeDOS, have created a valuable knowledgebase which will benefit everyone who follows.

    You may click on the image to the right to obtain your own copy of BootAble. Then use the knowledge and experience documented here to boot your computer(s) into FreeDOS. And please do not hesitate to ask questions – nowhere else can better answers be found.

    (You may permanently close this reminder with the 'X' in the upper right.)


Pumpkin-Pie

New member
Dec 30, 2020
2
0
Hi.

Just prior to SN798 being live streamed, I looked at the show notes and downloaded & ran ReadSpeed. The results were as follows :

Code:
  +--------------------------------------------------------------------------+
  | ReadSpeed: Hyper-accurate mass storage read-performance benchmark. rel 1 |
  |  Benchmarked values are in megabytes read per second at five locations.  |
  +--------------------------------------------------------------------------+

Driv Size  Drive Identity     Location:    0      25%     50%     75%     100
---- ----- ---------------------------- ------- ------- ------- ------- -------
81  2.0TB WDC WD2003FZEX-00Z4SA0        166.4   153.2   138.3   116.5    87.3
82  3.0TB WDC WD3003FZEX-00Z4SA0        169.0   162.7   150.4   131.5   101.5
83  4.0TB WDC WD40EZRZ-00GXCB0          172.9   163.9   145.6   120.3    82.1

                  Benchmarked: Tuesday, 2020-12-29 at 21:28
-----------------------------------------------------------------------------
   See the ReadSpeed forums at forums.grc.com for help and community support.

This morning, I re-ran ReadSpeed in verbose mode and observed this :

Code:
  +--------------------------------------------------------------------------+
  | ReadSpeed: Hyper-accurate mass storage read-performance benchmark. rel 1 |
  |  Benchmarked values are in megabytes read per second at five locations.  |
  +--------------------------------------------------------------------------+

  AHCI '.' and IDE '-' drive reset & diagnostic latencies in milliseconds:

  61.614 61.613 61.1,007

  Associating BIOS drive [80-83]:

  [ 80 81! 82 83 ]

  BIOS drive count: 4

  BIOS Inter Bus Location Dev Port Intr
  ---- ----- --- -------- --- ---- ----
   80   USB  PCI  2: 0:0   3                                                  

  BIOS Location Type Clas Pg Vend Devi Prt Intr Cmmd Ctrl Mast Driv Link Size
  ---- -------- ---- ---- -- ---- ---- --- ---- ---- ---- ---- ---- ---- -----
   81   0:17:0  AHCI 0106 01 1002 4391  0    7  < AHCI Cntrl >  6.0  6.0 2.0TB
   82   0:17:0  AHCI 0106 01 1002 4391  1    7  < AHCI Cntrl >  6.0  6.0 3.0TB
   83   0:17:0  AHCI 0106 01 1002 4391  3    7  < AHCI Cntrl >  6.0  6.0 4.0TB

What I am concerned about is in the list of BIOS drives 80 to 83, drive 81 is shown as 81! - does the appearance of the ! character indicate a problem?

Many thanks in advance. My system is a few years old and runs VirtualBox - my copy of SpinRite 6.0 won't work on these GPT formatted disks so I'm looking forward to version 6.1 in the New Year. Thanks again. Tom