Usb modem compatibility issues.

I have discovered that if I am online and I connect my Wacom Intuos II graphics tablet to my iMac, the modem begins the disconnect process, which then goes on and on and on... The only way to make it stop is to unplug the modem, which causes a kernal panic. If I wait, it takes at least 10 minutes for the disconnect process to complete.
I called Applecare, and - maybe because it is saturday - I had to explain to the tech that the new iMacs don't come with an internal modem, and I had the usb modem, which back in October made my ordere a custom build. He thought I should consider getting an internal one.
After straightening out that, he said there was an article that covered this issue (it's a usb compatibilty thing), the gist of which is if I want to plug in a peripheral, I have to disconnect from the internet first, plug in the peripheral, then reconnect :/
Also, he said that if I shut down, I need to unplug the modem first, then plug it back in after the computer starts up (I have no idea what to do in the case of a restart - what a pia this has turned into)
So. I get the email of the pdf article from Applecare. And. It. Is. In. Japanese.
Anybody know how to find the English version? here is the link:
http://docs.info.apple.com/article.html?artnum=52085
iSight iMac Mac OS X (10.4.3)
Mac OS X (10.4)
Edit: I just noticed that this article is for an internal modem. Arrrggh....

If you notice, that article was last updated in 2003. Therefore it was written before there was an iMac G5. That article is not applicable to you.

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Hi there:
3 weeks ago I bought a new imac and also an apple usb modem (since we only have dial up where I live).
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I use an Apple USB modem on my G5 Quad to send/receive faxes.
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www.plugsandpixels.com
(Internal) Modem Model: Spring
Interface Type: Serial
Modulation: V.90
SKU Name: UCJ
Hardware Version: 3.0F
Driver: com.apple.driver.AppleSCCSerial (v1.3.2)
External Modems:
Interface Type: USB
Modulation: V.92
Firmware Version: 2.2
Country Code: B5
Driver Name: MotorolaSM56KUSB.kext (v1.5.9)
SW Version: 1.5.9
Number of Modems: 1
USB Bus Location: 1822
Fri Dec 14 22:13:13 2007
panic(cpu 1 caller 0x000AE584): "Uncorrectable machine check: pc = 000000003B203D60, msr = 000000000014B030, dsisr = 40000000, dar = 000000003ACF2108\n" " AsyncSrc = 0000000000000000, CoreFIR = 0000000000000000\n" " L2FIR = 0000000000000000, BusFir = 0000000000000fff\n"@/SourceCache/xnu/xnu-1228.0.2/osfmk/ppc/trap.c:975
Latest stack backtrace for cpu 1:
Backtrace:
0x0009AD18 0x0009B6BC 0x00029DC4 0x000AE584 0x000AE804 0x000B22F8
Proceeding back via exception chain:
Exception state (sv=0x2ebbec80)
PC=0x3B203D60; MSR=0x0014B030; DAR=0x3ACF2108; DSISR=0x40000000; LR=0x3B204B44; R1=0x2EB776A0; XCP=0x00000008 (0x200 - Machine check)
Backtrace:
0x00000001 0x2FE42EAC 0x3B204DD0 0x3B205834 0x3B207020 0x3B1FC048
0x3B05C6C0 0x3B049D24 0x3B0D2D64 0x3B221C48 0x3B221B2C 0x3B01CAB0 0x00358D94 0x0003F8D8
0x000AFE54
Kernel loadable modules in backtrace (with dependencies):
com.apple.driver.MotorolaSM56KUSB(1.5.9)@0x3afa3000->0x3b290fff
dependency: com.apple.iokit.IOSerialFamily(9.1)@0x2fc55000
dependency: com.apple.driver.AppleSM56KUSBModemFamily(1.0.8)@0x29fc5000
com.apple.iokit.IOUSBFamily(3.0.3)@0x2fe2c000->0x2fe60fff
Exception state (sv=0x29dedc80)
PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
BSD process name corresponding to current thread: kernel_task
Mac OS version:
9B18
Kernel version:
Darwin Kernel Version 9.1.0: Wed Oct 31 17:48:21 PDT 2007; root:xnu-1228.0.2~1/RELEASE_PPC

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Here's the setup:
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Sleep/wakeup problem discovered - Apple USB modem is the problem.

Ever since Leopard (every release), I've been having frequent problems with my iMac not being able to wake up from sleep mode. Would not respond to mouse or keyboard. I tracked this down to a problem going to sleep. The machine would appear to go to sleep, but something was still running inside the iMac. A fan?? Disconnecting the Apple USB Modem from the iMac USB port fixed the problem!!! This is an all Apple problem. Apple needs to address compatibility with their modem, which they still sell.

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USB modem and Internet Sharing causes system to hang.

First my setup. I have a Mac mini (early 2009) running 10.7.2 connected to the Internet using a Sony Ericsson W910 as a USB modem. I am using Internet sharing via Ethernet to a 1st generation (n) AirPort Extreme to give Wi-Fi to other devices (iPhone, Xbox 360, PS3 etc).
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Thanks Barry.
The hub is on its way to the manufacturer for after sales service...
But the issue with AirPort remains the same, even after resetting SMC.
Some clarification:
* It happens just after computer wakes up from sleep. Restarting solves the problem and the issue doesn't arise until computer goes standby again.
* The whole WiFi card becomes unresponsive. It is not only the Turn Off button, but the whole functionality is stopped. The card can not be activated/deactivated and it doesn't connect to any network. If it is used for internet sharing, clients are unable to connect.

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