ZM's output on system with 7 GPUs:

>  GPU0 42°C  Sol/s: 739.0  Sol/W: 2.85  Avg: 739.0  I/s: 390.1  Sh: 54.00  1.00  29  ++++++++++++++++++
>  GPU1 44°C  Sol/s: 459.0  Sol/W: 2.91  Avg: 459.0  I/s: 243.5  Sh: 27.00  1.00  29  +++++++++
>  GPU2 46°C  Sol/s: 451.3  Sol/W: 2.77  Avg: 451.3  I/s: 243.5  Sh: 15.00  1.00  28  +++++
>  GPU3 43°C  Sol/s: 449.7  Sol/W: 2.83  Avg: 449.7  I/s: 242.8  Sh: 24.00  1.00  29  ++++++++*
>  GPU4 42°C  Sol/s: 449.0  Sol/W: 2.76  Avg: 449.0  I/s: 243.5  Sh: 36.00  1.00  28  ++++++++++++
   GPU5 43°C  Sol/s: 446.4  Sol/W: 2.79  Avg: 446.4  I/s: 243.6  Sh: 30.00  1.00  28  ++++++++++
   GPU6 42°C  Sol/s: 461.4  Sol/W: 2.84  Avg: 461.4  I/s: 243.8  Sh: 18.00  1.00  28  ++++++
   ========== Sol/s: 3455.8 Sol/W: 2.82  Avg: 3455.8 I/s: 1850.9 Sh: 204.00 1.00  28

05/09/2018 18:58:49...... Release 6.2.1
05/09/2018 18:58:50...... Starting Parameters:  //Algorithm:  //PoolsName: Zpool //CoinsName:  //MiningMode: AUTOMATIC //Groupnames:  //PercentToSwitch:
05/09/2018 18:58:50...... No gpus for group  was detected, activity based watchdog will be disabled for that group, this can happens if AMD beta blockchain drivers are installed or incorrect @@gpugroups config
05/09/2018 18:59:00...... New interval starting.............
05/09/2018 18:59:34...... "AverageCpu = 2 % | MemoryUsage = 19,00 % | VirtualMemoryUsage = 9,42 % |  PercentCFree = 88,44 % | Processes = 121 | Connections = 46"
05/09/2018 18:59:34...... Next interval will be 300
05/09/2018 18:59:34...... Loading Pools Information.............
05/09/2018 18:59:34...... Pool Zpool was responsive....
05/09/2018 18:59:34...... Detected 33 pools......
05/09/2018 18:59:34...... 33 pools left after min workers filter.....
05/09/2018 18:59:34...... Coindesk api was responsive..........
05/09/2018 18:59:34...... Files in miner folder: 46
05/09/2018 18:59:34...... Number of gpu groups: 0
05/09/2018 18:59:34...... Miners/Pools combinations detected: 0.........
05/09/2018 18:59:34...... NO MINERS!

Function Start-Countdown
{ #>
    Param(
        [Int32]$Seconds = 300,
        [string]$Message = "Mining for 300 seconds..."
    )
    ForEach ($Count in (1..$Seconds))
    {   Write-Progress -Id 1 -Activity $Message -Status "Waiting for $Seconds seconds, $($Seconds - $Count) left" -PercentComplete (($Count / $Seconds) * 100)
        Start-Sleep -Seconds 1
    }
    Write-Progress -Id 1 -Activity $Message -Status "Completed" -PercentComplete 100 -Completed
}

Start-Countdown -Seconds 300 -Message "Mining..."