I struck silver mining data for the project during a bit of down-time at work yesterday!
First, here's the spreadsheet data, bit depth has been adjusted to keep within the 3MB VRAM limitation:
I'm still looking for gold, but wikipedia strikes again . . .
I found this gem in the "Further reading" links:
http://www.tinyvga.com/vga-timing
It looks like this 1989 card should equal the pixel counts and, possibly, better one of the bit depths of the Radius Thunder IV GX 1152 . . .
. . . if not its acceleration rates . . . see data above . . .
. . . here are the timings for the three resolutions of interest to me:
http://www.tinyvga.com/vga-timing/1152x864@60Hz @ 24bit (Mac 1152 x 870 would be nice, but this ought to be more LCD friendly)
http://www.tinyvga.com/vga-timing/1280x1024@60Hz @ 16bit (AFAIK, the Radius Thunder IV GX 1152 will only do this one at 8bit!)
http://www.tinyvga.com/vga-timing/1600x1200@60Hz @ 8bit (which equals the Radius Thunder IV GX 1152)
Terms for researching any other resolution timings:
http://en.wikipedia.org/wiki/Computer_display_standard
Striking gold will be finding the timing data for these analog standards for HD-15 input:
_720p = HD 720
1080p = HD 1080
I'll need to edit in the screen shots of the Custom Monitor Setup windows. Suffice it to say,the timing tables linked above look like a spot-on match for the dialog box or about as close to it as will be possible to find. It's time to plug in some values, read off the card's oscillator requirements and then order a few Crystal Cans! [
] ]'>
This is one crazy
VidCard for 1989! :approve:
First, here's the spreadsheet data, bit depth has been adjusted to keep within the 3MB VRAM limitation:
Code:
VRAM Calculator.00
H V Pixels Bit ________ ________ VRAM
640 480 307200 16 4915200 614400 600
704 480 337920 24 8110080 1013760 990
1280 720 921600 24 22118400 2764800 2700
1920 1080 2073600 8 16588800 2073600 2025
960 540 518400 24 12441600 1555200 1518.75
1600 1200 1920000 8 15360000 1920000 1875
352 285 100320 24 2407680 300960 293.90625
320 240 76800 24 1843200 230400 225
640 480 307200 24 7372800 921600 900
800 600 480000 24 11520000 1440000 1406.25
824 632 520768 24 12498432 1562304 1525.6875
1024 768 786432 24 18874368 2359296 2304
1024 768 786432 24 18874368 2359296 2304
1152 870 1002240 24 24053760 3006720 2936.25
1280 1024 1310720 16 20971520 2621440 2560I found this gem in the "Further reading" links:
http://www.tinyvga.com/vga-timing
It looks like this 1989 card should equal the pixel counts and, possibly, better one of the bit depths of the Radius Thunder IV GX 1152 . . .
. . . if not its acceleration rates . . . see data above . . .
. . . here are the timings for the three resolutions of interest to me:
http://www.tinyvga.com/vga-timing/1152x864@60Hz @ 24bit (Mac 1152 x 870 would be nice, but this ought to be more LCD friendly)
http://www.tinyvga.com/vga-timing/1280x1024@60Hz @ 16bit (AFAIK, the Radius Thunder IV GX 1152 will only do this one at 8bit!)
http://www.tinyvga.com/vga-timing/1600x1200@60Hz @ 8bit (which equals the Radius Thunder IV GX 1152)
Terms for researching any other resolution timings:
http://en.wikipedia.org/wiki/Computer_display_standard
Striking gold will be finding the timing data for these analog standards for HD-15 input:
_720p = HD 720
1080p = HD 1080
I'll need to edit in the screen shots of the Custom Monitor Setup windows. Suffice it to say,the timing tables linked above look like a spot-on match for the dialog box or about as close to it as will be possible to find. It's time to plug in some values, read off the card's oscillator requirements and then order a few Crystal Cans! [
] ]'>This is one crazy
VidCard for 1989! :approve: