I first got my Classic to connect to the Internet with a Prometheus ProModem 24e and an email disk put together by Felix. In fact, I helped him test the disk to see if it would work on a machine with less than 4 MB of RAM. That disk image contains a minimal System 6.0.8 along with Eudora 1.3.1. The first time my Classic connected to the Internet it was through the use of this disk:

emailer-noisp.img.hqx

Make sure you have the following six items:

PPP 2.0.1
Config PPP 2.0.1
PPP Preferences
MacTCP 2.0.6
Mac TCP DNR
Mac TCP Preferences

For System 6, simply drop them into your System Folder and restart. For System 7, drop them into your System Folder. Your Macintosh will know where to put them. Agree with the prompts and restart. These files can be found together here:

iclassic.sea.hqx

What makes my download file unique is that it includes my preferences, without my ISP and password, of course. You will need to enter that data for your account.

My preferences have been tested on the following machines:

Macintosh Classic, 2 MB RAM, System 6.0.8
Macintosh Classic, 4 MB RAM, System 7.0.1
Macintosh Classic, 4 MB RAM, System 7.1
Powerbook 170, 4 MB RAM, System 7.1
Promethius ProModem 9600
SupraExpress 288

After restarting, open Mac TCP, select PPP, select "More." Your domain "yourISP.com" and its IP Address(es) should be entered, with a Default selected.

Next, open Config PPP, select "New," select "Config," select "Authentication" to set your username and password.

You are done. You should now connect to the Internet.

If not, here are some other observations:

Open Mac TCP, select PPP, select "More"
Obtain Address should be set to Server.
Gateway Address should be 0.0.0.0
IP Address should be Class C 192.0.0.0
Subnet Mask 255.255.255.0
Your domain "yourISP.com" and its IP Address(es) should be entered, with a Default selected.

Next, open Config PPP, select the correct PPP Server, select "Config"

For the Port Speed, start at 2400 (baud) and work your way up to the highest your modem will take. My modem, for example, is rated at 9600. It took me several tries to finally get it to connect at 9600 baud.

Flow Control: Mine is none.

Modem Init: There is a lot of variability here. Most work with none. However, try AT&F1, which returns the modem to factory settings. I use AT\N0 (zero) -- which will prevent your ISP's servers from automatically timing you out because of the slow connection speed. After entering a new Init string, and saving it, you then need to go back to Port Speed 2400 and working your way up again.

Check also modemhelp.org

Press Authentication to set your username and password.

Under IPCP options, I have my ISP's IP Address entered under Remote, with checks in Will. The Local column is set at 0.0.0.0 with Want and Will checked. I'm not sure, however, if this makes a difference.

Here I present the version numbers of the componenents in the startup floppy I used to put my Mac Plus in the Email and MacWWW mode:

System 6.0.7 -- System file of 224,000 bytes
Finder version 6.1.7
PPP, an extension, version 2.0.1 Copyright 1993 Merit Network, Inc.
ConfigPPP Control Panel, version 2.0.1 Copyright 1993 Merit Network, Inc.
MacTCP System 7.5 Control Panel, version 2.0.6 copyright 1994 Apple Computer

Also in the 720kb disk are:

General, a System 6.0.7 control panel, version 3.3.3
Sound, a System 6.0.8 control panel, version 3.3.2
Eudora Folder, the settings folder installed by Eudora 1.3.1 when run from a separate floppy in the external floppy drive.
MacTCP Prep, a file created by MacTCP when run once.
MacTCP DNR, the Domain Name Registration that was created when I connected the first time to my ISP using the MacTCP settings I entered for my ISP address, Primary Domain name and Secondary Domain name and whether i wanted to manually set the gateway address, or allow the ISP to set it in the panel.

I have found that two of my modems: the SupraExpress 144 and the SupraExpress 288 do not like to work with Classic Networking. They work fine with Open Transport, however. Open Transport comes as part of System 7.5, Update 2.0, which is free from Apple. However, Open Transport can be installed on any version of System 7. To install onto a 68K Macintosh with System 7.1.x or 7.5, you need the following disk images:

Open Transport 1.1 Install 1 of 4
Open Transport 1.1 Install 2 of 4

The remaining install disks are for PowerPC. Open Transport 1.1 must be installed before the following items can be installed.
-----

Open Transport 1.1.1 Install 1 of 4
Open Transport 1.1.1 Install 2 of 4

Again, the remaining install disks are for PowerPC. Open Transport 1.1.1 must be installed before OT/PPP can be installed.
-----

Open Transport/PPP Install image

This will install OT/PPP, allowing you to take advantage of items like the Modem control panel.

The individual images can be downloaded here:
OT1.1install1.img.hqx
OT1.1install2.img.hqx
OT1.1.1install1.img.hqx
OT1.1.1install2.img.hqx
OT_PPPInstall.img.hqx

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