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IMGBurn ( erratic and very low read/verify speed

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I'm in trouble with the very low (and erratic speed that is drive is spinning up and down) while reading/veryfying DVD disks on a new install of ImgBurn on my new computer (DVD drive beeing ASUS DRW-24F1MT (ATAPI device on Port 3 with a SATA transfer rate of 1.5 Gb/s).

I ahve the same problem with all DVDs I tested as well as during a verification process after a successfull burn

Log is below (I stopped the process about 4 minutes after starting the reading process)

Any idea ?






I 18:28:38 Initialising SPTI...
I 18:28:38 Searching for SCSI / ATAPI devices...
I 18:28:38 -> Drive 1 - Info: ASUS DRW-24F1MT 1.00 (E:) (SATA)
I 18:28:38 Found 1 DVD±RW/RAM!
I 18:28:51 Operation Started!
I 18:28:51 Source Device: [0:0:0] ASUS DRW-24F1MT 1.00 (E:) (SATA)
I 18:28:51 Source Media Type: DVD-R (Book Type: DVD-R) (Disc ID: TYG03)
I 18:28:51 Source Media Supported Read Speeds: 4x, 6x, 8x, 12x, 14x
I 18:28:51 Source Media Supported Write Speeds: 4x, 6x, 8x, 10x, 12x, 14x, 16x, 18x, 20x, 22x, 24x
I 18:28:51 Source Media Sectors: 1 439 472 (Track Path: PTP)
I 18:28:51 Source Media Size: 2 948 038 656 bytes
I 18:28:51 Source Media Volume Identifier: 1521JECP
I 18:28:51 Source Media Application Identifier: Roxio Burn Engine 3.0
I 18:28:51 Source Media File System(s): ISO9660, Joliet
I 18:28:51 Read Speed (Data/Audio): MAX / MAX
I 18:28:51 Destination File: D:\DVD\ImgBurnOutput\1521JECP.ISO
I 18:28:51 Destination Free Space: 468 513 792 000 Bytes (457 533 000.00 KiB) (446 809.57 MiB) (436.34 GiB)
I 18:28:51 Destination File System: NTFS
I 18:28:51 File Splitting: Auto
I 18:28:52 Read Speed - Effective: 6x - 14x
I 18:28:52 Reading Session 1 of 1... (1 Track, LBA: 0 - 1439471)
I 18:28:52 Reading Track 1 of 1... (MODE1/2048, LBA: 0 - 1439471)
I 18:32:38 Abort Request Acknowledged
E 18:32:38 Failed to Read Sectors!
E 18:32:39 Operation Aborted! - Duration: 00:03:46
E 18:32:39 Average Read Rate: 71 KiB/s (0.1x) - Maximum Read Rate: 71 KiB/s (0.1x)
Filter Driver Load Order - ImgBurn v2.5.8.0
Upper Device Filter:  [None Found]
 Upper Class Filter:  [None Found]
             Device:  CD/DVD-ROM Device
 Lower Class Filter:  iaStorF
Lower Device Filter:  [None Found]
        Filter Name:  iaStorF
          File Name:  C:\Windows\system32\DRIVERS\iaStorF.sys
       File Version:
   File Description:  Intel® Rapid Storage Technology Filter driver - x64
       Product Name:  Intel® Rapid Storage Technology Filter driver 
    Product Version:
       Company Name:  Intel Corporation
          Copyright:  Copyright ©, Intel Corporation. All rights reserved. 
Edit: the problem doesn't occur when manually selecting read speed to 14x / 14x or below, although capabilities are well above that (up to 56x) . Above that (and at MAX setting) the drive is cycling at very low speeds as mentionned above 
Edited by hsors

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