Should work on all W9x. This is a newer driver that I got from when the Modem Update Wizard still worked.
It could get that old 00112503 Winmodem to go to V.90.
The following files are found inside the driver download file.
|cleanwm.exe||248.8 KB||18 Jun 1999|
|WINMODEM.DR_||7.9 KB||4 Mar 1998|
|CTL3DV2.DLL||21.6 KB||25 Feb 1997|
|WMLDR.VX_||3.4 KB||4 Mar 1998|
|WMEXE.EX_||25.2 KB||4 Mar 1998|
|winmodem.vxd||776.3 KB||9 Apr 1998|
|WMDLL.DL_||18.8 KB||4 Mar 1998|
|WINMODEM.INF||54.0 KB||7 Jun 1999|
|MDMINFO.INI||609 bytes||7 Jun 1999|
|WMDIAG.EXE||77.2 KB||4 Mar 1998|
|deleteme.exe||27.6 KB||2 Nov 1998|
|SANDIA.EXE||11.5 KB||18 Feb 1998|