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Graphics Card - Hercules Graphics Plus Limits |
The information in this document applies to:
WordPerfect® 5.1 for DOS
Problem
Symptoms: The message "Invalid Graphics Driver" appears in View Document when a customer with a Hercules Graphics Plus card selects anything but the following: 1. Colors/Fonts - 6 fonts, 512 characters 2. Graphics Screen Type - Hercules (& compatibles) 3. Text Screen Type - Hercules Ramfont If the customer uses Auto-select for Graphics Screen Type, WP selects Hercules Mono. Then View Document is okay, but the customer is limited on some options. Solutions: If the computer auto-selects 720x348 Hercules, then the following options are available with a Hercules Graphics Plus card: (Screen Drivers) 80 x 25 Monochrome 80 x 43 Monochrome In addition, the Hercules Graphics Plus will allow 6 Fonts with 512 Characters, or 12 Fonts with 256 characters. In the past, customers have requested that the bold be displayed more intense as opposed to more pixels. In 48K RamFont mode you have a choice of high-intensity and blink or boldface (thick) and reverse-video. WP chose the latter option, presumably because users need reverse-video more than blink. You cannot use IBM and compatible drivers for the Hercules card. WP wrote the driver specifically for the Hercules video adaptor. |
Answer:
Details:
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