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Outdated Drivers
Can cause hardware related Errors.
Check your PC Drivers now.
Modem Basics
Modem Protocols
What happens when I dial up and connect?
What is a modem? What does it do?
What is a COM port? What is an IRQ?
What is "serial data"? What is "parallel data"?
What does 8-N-1 mean?
What is a UART? How does it work?
What is a FIFO buffer? How does it work?
What is a DSP?
What is a modem "handshake"?
What are modulation protocols?
What is flow control? RTS/CTS? Xon/Xoff?
What is error correction?
What is data compression?
What's V.90? How does 56K work?
What is modem "firmware"? How do I tell what version I have?
What is retraining? What is fallback?
Authentication and Networking
Windows Drivers/Settings
What is PAP? What is CHAP? What is Realm authentication?
What is TCP/IP? How does it work?
What is "local host"? What is 127.0.0.1?
What is PPP? What is SLIP?
What is IPX/SPX? What is NetBEUI?
What is DNS? How does it work?
What is WINS? What does disabling it do?
What is DHCP? How does it work?
What is a modem driver? What is TAPI?
What is a winmodem? What does 'telephon.ini' do?
What are MTU, TTL, and RWIN?
High Speed Info
General ISP Info
What is multi-linking? Can we do that?
What is a "shotgun" modem? Can we do that?
What about ISDN? What is a TA? What's a SPID?
What is ADSL? How does it work?
What is a "cable modem"? How does it work?
What is a PoP, really?
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