Maintenance level 05A0 for 4690 Operating System V3 R2
(5639-M77) is available here as CD-ROM images.  The images
are in .iso format.  If assistance is needed burning the
CD-ROM, information can be found on Retail Store Solution's support
database at: http://techsupport.services.ibm.com/retail/support.
Enter CD-ROM in the search box. Click Go.
The title of the article is 'How To Burn
ISO CD-ROM Images For 4690 OS Systems'.

    PTF      Language           ISO File

  UO00086   U.S. English        05a0-eng-4690osv3r2.iso
  UO00087   Canadian French     05a0-can-4690osv3r2.iso
  UO00088   Danish              05a0-dan-4690osv3r2.iso
  UO00089   French              05a0-fra-4690osv3r2.iso
  UO00090   German              05a0-ger-4690osv3r2.iso
  UO00091   Spanish             05a0-spa-4690osv3r2.iso
  UO00092   Japanese            05a0-jpn-4690osv3r2.iso
  UO00093   Korean              05a0-kor-4690osv3r2.iso
  UO00094   Traditional Chinese 05a0-cht-4690osv3r2.iso