336IFX(C)3420 ISA Modem

Atech 33.6 ISA internal modem. CL-MD4450C-SC-B chipset. 336IFXC3420 / 336IFX

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33.6Kbps ISA internal modem.

Cirrus Logic CL-MD4450C-SC-B chipset. 33.6 IFX