Controllerless V.90/K56Flex PCI/Mini-PCI/CardBus Single-chip Low-Power Chipsets
Usage: To find other modems with the same chipset.
All drivers, downloads & info on this site are found via the modem.
Each Modem Manufacturers’ page also has external web-links, where available.
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General Information
- Originated by Rockwell on 10 Dec 1998 & developed by Conexant, this type of chipset was one of the company’s most successful designs. It contains a DSP but all controller functions are handled by software on the host computer. Originally only Windows drivers were provided, but more recently Conexant has extended driver support to the Linux platform. If an old Windows driver is updated the modem name may change, and will need to be altered on the General page of Dial-Up Networking Properties.
This family of chipsets was pin-compatible with the RMS56 SoftK56 chipsets, meaning that one set of work by the OEM could produce two modems. This one was the more expensive of the 2 options.
This is the single-chip version of the RH56LD-PCI, which itself was the low power version of the RH56D-PCI. There are 3 buses supported, depending on the chip in use:
- PCI - R6819-11
- PCI or Mini-PCI - R6819-12
- CardBus - R6819-21
Speakerphone options are available for each bus using the 20437, and the PCI & CardBus chips have a Cellular interface on-chip also.
Copyright Statement
Compilation, original writings & design Copyright ©2002 - 2008 Modem-Help, Ltd.
All trademarks respected as the property of their respective owners.
Full Copyright + Disclaimer statement
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Quick Stats
Items available:
- 10,925 modems
- 1,430 chipsets
- 2,025 chips
- 731 modem mfcs
- 118 comp/MB mfcs
- 1,651 comps/MBs/retail
- 138 chipset mfcs
- 13,472 external web links
- 64,485 hardware IDs
- 87,525 download files
† Key
Mfc: the company no longer makes/supplies modems and/or their chipsets, or has been taken over, or otherwise fallen into commercial Tophet.
Modem: it is no longer in production.
Chip, Chipset, Family or Family-Type: it is no longer produced at the Foundry.
In short, the item marked with a † has shuffled off this mortal coil, it has gone to meet it’s maker, to sing with the choir invisible; it is, not to put too fine a point upon it, an ex-modem (-Mfc, -Chip, -Chipset, -Family or -Type).
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These pages are a LAMP-development of the original Modem-Help, UK site (most of the old HTML pages still exist, but havn’t been updated for quite some time). That site, in it’s turn, was a transfer from the first html site on free-pages at Freeserve (still maintained, but just re-direction pages to this site). The current format allows superb search facilities, customisation by Registered members, plus is quick ‘n’ easy to update.
Diligently put together in the UK by Alex Kemp. All efforts have been taken to ensure the veracity of what is written - if you know of any errors or omissions then please let us know.
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Page last updated 5 Jul 2006
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