Missing Gravis UltraSound Updates as of 05/17/2018 ** If you find these please email me immediately emoaddict15@gmail.com! ** GUS0004.ZIP 730482 01/26/93 GUS V1.21 Install - Disk 4 of 6 GUS0006.ZIP 719650 01/26/93 GUS V1.21 Install - Disk 6 of 6 GUS0023.ZIP 302719 04/28/93 SBOS V2.0B6 GUS0025.ZIP 1367293 05/26/93 GUS V2.06L Install - Disk 1 of 6 GUS0026.ZIP 1458921 05/26/93 GUS V2.06L Install - Disk 2 of 6 GUS0027.ZIP 1458921 05/26/93 GUS V2.06L Install - Disk 3 of 6 GUS0028.ZIP 1458921 05/26/93 GUS V2.06L Install - Disk 4 of 6 GUS0029.ZIP 1458921 05/26/93 GUS V2.06L Install - Disk 5 of 6 GUS0030.ZIP 1238467 05/26/93 GUS V2.06L Install - Disk 6 of 6 GUS206A1.ZIP 1373151 09/07/93 UltraSound V2.06a - Disk 1 of 6 All the V2.06a software has been password protected. They are being placed online for the benefit of those who have bad disks and wish to download a good one. You MUST call tech support to get the password. To unzip any of these files use the following line. PKUNZIP GUS206A1.ZIP -$a -s The -$a will put the necessary volume GUS206A2.ZIP 1457542 09/07/93 UltraSound V2.06a - Disk 2 of 6 GUS206A3.ZIP 1457542 09/07/93 UltraSound V2.06a - Disk 3 of 6 GUS206A4.ZIP 1457542 09/07/93 UltraSound V2.06a - Disk 4 of 6 GUS206A5.ZIP 1457542 09/14/93 UltraSound V2.06a - Disk 5 of 6 GUS206A6.ZIP 1418564 09/07/93 UltraSound V2.06a - Disk 6 of 6 OS/2 Manley Drivers REGISTERED with the Game Patches/Fixes/Enhancement. File size, file name, and FILE_ID.DIZ is unknown for this.