WD90C24
The WD90C24 features hardware Windows 2D acceleration with BitBlt and line draw functions, and a programmable 64x64 cursor. WD90C24 has a 16- or 32-bit memory interface from 256 KB up to 1 MB (70, 80 or 100ns), and supports up to 65,536 colours (HiColor) at 640x480. The maximum resolution is 1024x768 in 256 colours noninterlaced at 60 Hz, or 1024x768x16 interlaced at 43 Hz.
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Released | 1994 |
| Bus | ISA 16-bit or VESA Local Bus | |
| Chipset | Western Digital WD90C24 | |
| Standards | MDA, Hercules, CGA, EGA, VGA | |
| Memory | 256 KB, 512 KB or 1 MB (FPM DRAMs) | |
| Ports | 15-pin DSUB (RGB analogue out) | |
| RAMDAC | 45 MHz (32 MHz for LCD) | |
| FCC ID | ||
| Price | ||
| See Also |
The WD90C24 graphics chipset was known to be used on the following laptops/notebooks:
- AST Ascentia 800N / 810N - 486SX-33 and 486DX/2-66 laptops released in August 1994. They all used the WD90C24A with 1 MB of video RAM.
- AST Ascentia 900N / 910N - 486DX/2-66 and 486DX/4-75 laptops released in June 1994. They all used the WD90C24A with 1 MB of video RAM.
- Compaq Contura 400 series - 486DX/2 and 486DX/4 laptops that were launched from 1994. The range comprised the 400, 400C, 400CX, 410, 410C, 410CX, 420C, 420CX, 430C and 430CX.
- Compaq LTE Elite series - 486 laptops first released in March 1994. These included the 4/40C, 4/40CX, 4/50E, 4/50CX, 4/75CX, 4/75C, and 4/75CXL.
- Dell Latitude 400M series - 486 laptops that were launched from August 1994 (specifically the WD90C24A2 variant)
- Dell Latitude XP series - 486DX/4 laptops that were launched from August 1994, including the 450CX, 475C, 4100C, and 4100CX. An alternative graphics chipset on some of these was the Cirrus Logic CL-GD7543.
- HP OmniBook 4000C/CT - 486DX2-5 and 486DX4-75 or 100 laptops released in November 1994 - these used the WD90C24 and came with 1 MB of video memory.
- IBM Thinkpad 750 series - 486SL-33 and 486DX/2-50 laptops released in September 1993. The range comprised the 750, 750CS, 750C, 750P and 750CE. These all used the WD90C24 with 1 MB of video memory.
- IBM Thinkpad 355 series - 486SX-33 laptops released in 1994. The range comprised the 355, 355C and 355CS. They all used the WD90C24 with 1 MB of video RAM.
- IBM Thinkpad 360 series - 486SX-33 and 486DX2/50 laptops released in May 1994 and October 1994 respectively. They all used the WD90C24 with 1 MB of video RAM.
- IBM Thinkpad 510cs - an IBM 486BL2-50 sub-notebook released in 1994. This used the WD90C24 with 1 MB of video memory.
- IBM Thinkpad 345C and 345CS - 486DX/4-75 subnotebooks released in September 1995. They used the WD90C24A with 1 MB of video memory.
- IBM Thinkpad 370C - a 486DX4/75 laptop released in May 1995. It used the WD90C24A with 1 MB of video memory.
- NEC Versa E-series - 486DX/2 and DX/4 laptops released in December 1993. They used the WD90C24 with 1 MB of video memory.
- NEC Versa V-series - 486DX/2 and DX/4 laptops released in July 1994. They used the WD90C24 with 1 MB of video memory.
- Toshiba Satellite T3400 and T3400CT - 486SX-33 laptops released in November 1993, these used the WD90C24 with 1 MB of video memory.
- Toshiba T4800CT / T4850CT - 486DX/4-75 laptops released in Mar 1994 / Nov 1994 respectively, it used the WD90C24A or WD90C24A2 with 1 MB of video memory.
- Toshiba Portege T3600CT - a 486DX/2-50 laptop released in June 1994, it used the WD90C24 with 1 MB of video memory.
- Toshiba Satellite T2400CS/CT and T2450CS/CT - 486DX/2-50 (T2400) and 486DX/4-75 (T2450) laptops released in 1994 and early 1995. They used the WD90C24A2 with 1 MB of video memory.
- Twinhead Slimnote 5 (model P62) - 486DX/2-50 and 486DX4/75 laptops released in 1994. The series comprised the 550M, 5100C, and 5100T. These all used the WD90C24 and came with 1 MB of video memory.
Click here for the WD90C24 datasheet.
Board Revisions
Competition
In the Media
Setting it Up
Downloads
Operation Manual Get in touch if you can provide this missing item! |
Original Utility Disk Get in touch if you can provide this missing item! |
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