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- Execute VIDEOID to identify the type of video adapter(s). The information is
- written both to the screen and also to a text file named VIDEOID.TXT
-
- Note: Some Super-VGA tests may cause problems (worst case being a system
- 'lock-up') on some VGAs. In that case, do "VIDEOID +"
-
- The first six steps, identifying the installed video adapter(s) are based on
- routines from Richard Wilton's "Programmer's Guide to PC and PS/2 Video
- Systems" (Microsoft Press, ISBN 1-55615-103-9) with minor modifications to
- identify 64k/256k EGAs. An improved Hercules detect routine is based on
- David B. Doty's "Programmer's Guide to the Hercules Graphics Cards"
- (Addison-Wesley Publishing, ISBN 0-201-11885-8).
-
- If an EGA or VGA is detected, a seventh step dumps the first 216 bytes of
- video RAM to show the manufacturer's copyright notice.
-
- If a VGA is detected, step 8 attempts to identify the chipset manufacturer
- and the amount of video memory, if possible. These routines are primarily
- based on John Bridges' VGAKIT with modifications and additions. VideoId adds
- detect routines for DGIS, the IBM 8514/a, the IBM XGA, the Hercules Graphics
- Station and additional memory tests, where available.
-
- Much thanks to Bill Hinkle for the Tseng 4000 memory detection and to
- Bert Tyler for the IBM XGA routines!
-
- detect memory memory test results
- ------- ------- ---------------------
- AcuMos vgakit vgakit 256k, 512k, 1meg
- Ahead Systems type A vgakit ???k
- Ahead Systems type B vgakit ???k
- ATI vgakit VIDEOID 256k, 512k, 1meg
- Chips & Technologies vgakit vgakit 256k, 512k
- Cirrus vgakit vgakit ???k
- Compaq vgakit vgakit 512k
- DGIS VIDEOID ???k
- Everex vgakit vgakit 256k, 512k, 1meg
- Genoa vgakit ???k
- Hercules Graphics Station VIDEOID VIDEOID 1meg
- IBM 8514/a VIDEOID ???k
- IBM XGA VIDEOID VIDEOID 512k, 1meg
- NCR vgakit vgakit ???k
- Oak Technologies vgakit vgakit 256k, 512k, 1meg
- Paradise vgakit VIDEOID 256k, 512k
- Trident vgakit ???k
- Trident 8900 vgakit vgakit 256k, 512k, 1meg
- Tseng 3000 vgakit vgakit 256k, 512k
- Tseng 4000 vgakit VIDEOID 256k, 512k, 1meg
- VBE (VESA) vgakit ???k
- Video7 vgakit vgakit 256k, 512k, 1meg
-
- I'll try to update this as more chipsets surface, and WELCOME hearing from
- anyone who can fill in the gaps. As of this writing (10/21/1992), we need
- video memory detection for:
-
- - Ahead Systems (A & B)
-
- - Genoa GVGA
-
- - IBM 8514/a
- (The AFI HQMode - Query Current Mode returns the number of bit
- planes, which should indicate 4 planes=512k and 8 planes=1meg, but
- SEEMS to return 8 planes even when the 1meg memory expansion isn't
- installed.)
-
- - NCR
-
- - Trident, pre-8900
-
- Bob Berry
-