Re: XL Modem -- the transmonde laptop information page

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Subject: Re: XL Modem

Author:
Miles Goodhew

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Date Posted: 14:11:55 06/20/00 Tue
In reply to: Amit Kalra 's message, "Re: XL Modem" on 19:23:04 03/02/00 Thu

Amit,
After a lot of research into this topic, my conclusions are that the modem is just plain dodgey. I've run the modem side-by-side on the same phone line with two "chepie" PCI V.90 modems, on two different nations' PSTNs, from several exchanges, in both the original and flash-upgraded versions.
Currently the onboard modem connects at about 31kbps, and the desktop machine at 51kbps. What's more, even when it connects at the lower speed, the Transmonde modem appears to drop packets like crazy (I get noticeably better throughput from a P100 with a 28k modem than I do on my PII-233 Transmonde with the V.90 modem).
I think there are two main reasons for the low connection and throughput: Cheap parts (i.e. the modem module) and internal noise. The modem is situated on top of the hard drive bay and underneath the trackpad device. The line jack is on the righthand side of the case. The phone line makes its way (unshielded and untwisted, from waht I recall) from the jack, under the floppy drive, past the hard drive connector, CPU and primary memory module to the modem module.
From what I can tell, there was no discrenable difference in performance after I flashed the new firmware into the modem (The version numbers Windows reported did change in the expected manor, so the flashing was indeed taking place).

> Could you email me the contents of the modem driver
> disk....I seemed to have misplaced the disk. Or do
> you know from where I can download it. I tried to
> find the Rockwell site, but their modem division was
> taken over by another company, and there were not any
> drivers on that site..

If you're still on the air, and still don't have the disk, email me at the above address, and I'll see if I can get it to you.

Thanks,

Moles.

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Replies:

Subject	Author	Date
Re: XL Modem	Guy	13:08:04 06/22/00 Thu