The if Note 425 and the if Note 425C were DOS/V computers using the OADG architecture. These computers were designed to be a standard computer platform with the versatility to address a wide range of needs, from portable terminals to space-saving office LAN terminals.
The if Note 450S/C was announced in May 1994 and the if Note 4100C and the if Note 475C in May 1995.
| ifNote425C/425 | Standard operating system | |
|---|---|---|
| ifNote425C/425 | i486SL（25MHz） | MS-DOS5.0/V + Windows3.1 |
| ifNote450S/C | i486DX2（50MHz） | MS-DOS5.0/V + Windows3.1 |
| ifNote4100C | IntelDX4（100MHz） | Windows3.1 |
| ifNote475S | IntelDX4（75MHz） | Windows3.1 |
