Satellite Pro M70: removal of the USB device causes other peripheral USB does not work

Withdrawal/use of a USB for a USB device causes devices on USB port to get affected.

Satellite Pro M70-199 (2 GB RAM)
Windows XP Pro (SP2) with all updates of Windows installed until end of October 2006.
This laptop has 3 USB ports.
An Eicon Diva ISDN USB modem is connected to a USB port.

When certain devices connected to a different USB port are deleted (even if removed safely with "eject" or "remove device safely", it causes the ISDN modem to file either a double channel (64 k + 64 k) ISDN, or for the ISDM modem to disconnect completely.)

Cause this include any memory stick USB, MP3 player (ipod and creative zen) and so on.

Do other devices, such as USB external hard drives & sometimes external DVD USB drives, and sonetimes do not produce this problem.

Is this a known issue?
If it is a hardware interrupt problem, how to solve it?
This problem is related to the modem and the laptop?

As a note, in addition, intermittent (random) times (cannot reproduce all the time, but it happens once or twice a day) when a USB device is accessible it causes the modem USB ISDN to drop a single channel, even if the lights on the modem still show it as it is connected. In this case and the case above, the only way to get the modem ISDN USB running again is physically disconnect and reconnect.

The reason why it is a crucial issue is that:
(1) the modem speed is halved or disconnected
(2) the ISP continues to full rate for a double load connection even if a channel has been dropped.

Any help will be greatly appreciated.

Here is some information on USB devices, followed by some information about IRQ settings.

Driver date 01/07/2001
Version of the driver 5.1.2600.2180
Driver provider Microsoft
File INF usbport.inf

Description of the driver Intel (r) 82801FB/FBM USB Universal Host Controller - 2658
Location Information PCI bus 0, device 29, function 0
PCI Device Intel 82801FBM ICH6-M - USB Universal Host Controller [B-1]
Device resources
IRQ 23
Port 1800-181F

Description of the driver Intel (r) 82801FB/FBM USB Universal Host Controller - 2659
Hardware ID PCI VEN_8086 & DEV_2659 & SUBSYS_FF001179 & REV_03
Location Information PCI bus 0, device 29, function 1
PCI Device Intel 82801FBM ICH6-M - USB Universal Host Controller [B-1]
Device resources
IRQ 19
1820-183F port

Description of the driver Intel (r) 82801FB/FBM USB Universal Host Controller - 265 a
Hardware ID PCI VEN_8086 & DEV_265A & SUBSYS_FF001179 & REV_03
Location Information PCI bus 0, device 29, function 2
PCI Device Intel 82801FBM ICH6-M - USB Universal Host Controller [B-1]
Device resources
IRQ 18
Port 1840-185F

Description of the driver Intel (r) 82801FB/FBM USB Universal Host Controller - 265 b
Hardware ID PCI VEN_8086 & DEV_265B & SUBSYS_FF001179 & REV_03
Location Information PCI bus 0, device 29, function 3
PCI Device Intel 82801FBM ICH6-M - USB Universal Host Controller [B-1]
Device resources
IRQ 16
Port 187F-1860

Description of the driver Intel (r) 82801FB/FBM USB2 Enhanced Host Controller - 265C
Date of the driver 06/01/2002
Driver Version 5.1.2600.0
Driver provider Microsoft
File INF usbport.inf
Hardware ID PCI VEN_8086 & DEV_265C & SUBSYS_FF001179 & REV_03
Location Information PCI bus 0, device 7 function 29
PCI Device Intel 82801FBM ICH6-M - Enhanced USB2 Controller [B-1]
Device resources
IRQ 23
Memory B0000000-B00003FF

Description of the device resource sharing
DMA 04 exclusive Direct memory access controller
IRQ 00 exclusive system clock
IRQ 01 exclusive Standard 101/102 key or Microsoft Natural PS/2 keyboard
IRQ 08 exclusive system CMOS/real time clock
IRQ 09 shared system compatible ACPI Microsoft
IRQ 11 shared Intel (r) 82801FB/FBM SMBus Controller - 266 a
IRQ 12 exclusive pointing Alps-device
IRQ 13 exclusive Numeric data processor
IRQ 14 exclusive Primary IDE Channel
IRQ 16 shared generic CardBus controller
IRQ 16 shared Intel (r) 82801FB/FBM USB Universal Host Controller - 265 b

IRQ 16 shared Intel (r) 82801FB/FBM PCI Express Root Port - 2662
IRQ 16 shared Mobile Intel (r) 915GM/PM Express PCI Express Root Port - 2591
IRQ 16 shared ATI MOBILITY RADEON X 700
IRQ 17 shared Realtek AC97 Audio
IRQ 17 shared Intel (r) 82801FB/FBM PCI Express Root Port - 2660
IRQ sharing 17 Texas Instruments PCIxx21 Integrated FlashMedia Controller
IRQ 18 shared Intel (r) 82801FB/FBM USB Universal Host Controller - 265 a
IRQ sharing 18 Texas Instruments OHCI Compliant IEEE 1394 Host Controller
IRQ 19 shared host controller Standard SD compatible SDA
IRQ 19 shared Intel (r) 82801FB/FBM USB Universal Host Controller - 2659
IRQ 19 shared Intel 82801FBM Ultra ATA Storage Controllers - 2653
IRQ 20 shared of TOSHIBA software modems
IRQ 21 shared Realtek RTL8139/810 x Family Fast Ethernet NIC
IRQ 22 shared Intel (r) PRO/Wireless 2200BG Network Connection
IRQ 23 shared Intel (r) 82801FB/FBM USB Universal Host Controller - 2658
IRQ 23 shared Intel (r) 82801FB/FBM USB2 Enhanced Host Controller - 265C

Post edited by: sakhri

Hello

I have Satellite M70-159 and I didn t notice any strange problems with the USB ports. I use a few of them as printer, webcam, USB, memory stick, optical mouse, and external HARD drive. The devices are recognized correctly and I always remove without option delete without danger.

Now I have Vista pre-installed and there is no problem so far. If I understand you right USB ports work fine but there is problem with USB modem only. Am I wrong?
Also try to contact the producer of modem support. Is perhaps the question like this known and if all goes well, they have a logical explanation.

Tags: Toshiba

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