As Michael indicated in post #16, here's the cut'n'paste from Toshiba's site:
Firmware Update Version 2.0
Applicable Models: HD-A30, HD-A3, HD-D3, and HD-A35.
Overview: As part of our commitment to provide world-class service to our customers, Toshiba is supplying this firmware update for use by purchasers of the Toshiba HD DVD Player models listed above. This firmware update improves support for 1080p/24Hz and auto mode(for HD-A30 and HD-A35), improves network connectivity for supporting the download of web-enabled network content associated with certain HD DVD discs, and also addresses certain disc playback and HDMI/DVI related issues identified by Toshiba.
Important Note: Certain HD DVD discs may contain or have the capability of downloading studio-provided, web-enabled network content. To minimize any potential compatibility and/or connectivity issues it is recommended that you perform the firmware update process to ensure that your HD DVD player is using the latest firmware version.
There's a FAQ further down that
same page.
I'll try my CD image later tonight.