Controllerless V.34 ISA Modem 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
- This was originated by AT&T, expanded by Lucent & continued by Agere. Modem controller functions (AT-commands, etc.) have been taken out of the modem and processed in software on the host-computer. DSP functions are still in silicon in the modem. This reduces the demand on the computer’s CPU (not so important these days) and also makes it easier to move to other OSs from the original Windows host-OS.
It became an immensely popular modem chipset (I’ve got the Mars variant)--there are, therefore, a vast number of variations on the same theme. This can be very confusing, but the good news is that most Lucent Win Modem drivers will work with most Lucent Win Modems, regardless of the variation. To check your precise variant requires a knowledge of the DSP chip number:
(Note beforehand: this chipset started as 33.6k and was later able to make K56flex connections. It was never able to connect at V.90, however.)
DSP Chipset Name
1641-CC - Luna 56k ISA
1641B-CH - Luna 56k ISA
1642C - Apollo 33.6k ISA (this Family)
1643-CC - Apollo 56k ISA
1644-CH - Apollo 56k ISA PnP
1645 - Mars 56k PCI
1646 - Mars2 56k PCI
1648 - Mars3 56k PCI
1648B - Mars3 56k PCI
1648C - Mars3.2 V.92 PCI
If a driver older than v5.44 is updated there will be a name-change, and the connection software will not find the driver anymore. Windows’ users can fix this on the Properties sheet of DialUp-Networking (DUN) - look under the File menu when the DUN entry is highlighted.
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All trademarks respected as the property of their respective owners.
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Quick Stats
Items available:
- 13,485 modems
- 1,651 chipsets
- 2,196 chips
- 791 modem mfcs
- 121 comp/MB mfcs
- 1,689 comps/MBs/retail
- 144 chipset mfcs
- 21,324 external web links
- 105,791 hardware IDs
- 168,704 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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