Product comparison · 2 modems

Lenovo IBM modem vs Lenovo V.90 Data/Fax Soft Modem

Key differences

Differences highlightedShow differences only

Comparison of IBM modem, V.90 Data/Fax Soft Modem
14 specifications	A Lenovo IBM modem View product	B Lenovo V.90 Data/Fax Soft Modem View product
Modem2 differ
Modem speedDiffers	128 Kbit/s	56 Kbit/s
InterfaceDiffers	ISDN	PCI
Form factorKnown for one	Unknown — not stated by the source	Plug-in
Performance1 differ
Data link protocolsDiffers	EIA 578 Class 1, HDLC, ISDN, ITU-T V.17, ITU-T V.21 Ch.2, ITU-T V.27ter, ITU-T V.29, Multilink PP V.120, Multilink PPPV.110/X.25, PPP, T.30 EIA/TIA 578 Class 1, X.25	ITU V.90, ITU V.17, k56Flex
Maximum fax transfer rateKnown for one	Unknown — not stated by the source	14.4 Kb/sec
Ports & interfacesidentical
I/O portsKnown for one	Unknown — not stated by the source	1 x modem - RJ-11
System requirements1 differ
Minimum processorKnown for one	Unknown — not stated by the source	Intel Pentium 750 MHz
Compatible operating systemsDiffers	Windows 9x/2000/NT 4.0/OS 2 Warp 4/Linux	Microsoft Windows XP, 2000, Me, 98 SE, NT 4.0
Weight & dimensions3 differ
DepthDiffers	5 mm	122.5 mm
HeightDiffers	85.6 mm	64.5 mm
WidthDiffers	54 mm	21 mm
Featuresidentical
Built-in processorKnown for one	Intel Pentium 133 MHz	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 80%	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.