A Macintosh IIci with the DayStar Digital Turbo 601 will not boot with the System 7.5 Update 1.0 installed if you are using a version earlier than 1.1 of the "Turbo 601" control panel.
Please contact DayStar Digital for an update.
The Tech Info Library article titled "Locating Vendor Information" can help you search for a particular vendor's address and phone number. You can also search the Tech Info Library using the vendors name as a search string.
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