Tulip Computers TC40
Chipset
Socket 
FSB speeds 25MHz33MHz50MHz
Form factorOEM / Proprietary
Dimensions254mm x 218mm
Cache
256KB
Max RAM size
64MB
RAM type 72-pin FPM
PSU connector
Also known as
- Tulip Computers DT4/DE4 series
- Unisys CWP4663
- Unknown ViaTel
- Unisys CWP4666
- Tulip Computers Impression Line 486
I/O ports1x
Floppy interface
1x
IDE interface
1x
PS/2 keyboard
1x
PS/2 mouse
1x
Parallel
2x
Serial
1x
VGA
Expansion slots1x
16-bit ISA
Known issues
- Expansion slots are on proprietary riser
The listed slots are on the riser card that came with the motherboard.
If you have this board make sure you have the riser for it.
Notes
"Compact" 486sx/25, 486dx-2/50, 486dx-4/100 MHz
"Extend" 486sx-2/50, 486dx-2/50, 486dx-2/100 MHz
"Comfort" 486dx-2/66, 486dx-4/100 MHz
Last updated 2025-07-08T09:11:03Z
Board info score is 9.2/10
Chips
-> Chipset part
-> Super I/O
-> Video
CPU family support
2 BIOS files available
Phoenix - 2 entries
POST string
Note
Core Ver.
BIOS Ver.
Logs
4 drivers available
Name
Version
OS support
Arch
Size
Filename
Name
Version
1.43
OS support
MS-DOS
Windows 3.1x
Arch
x86
Size
741.9KB
Filename
Name
Version
1.24
OS support
OS/2 2.x
Windows 3.1x
Windows NT 3.1
Windows NT 3.5x
Arch
x86
Size
9.9MB
Filename
Version
OS support
Arch
Size
Filename
3 board documents available
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
1994-04
File
Logs
Family
Release date
File
Logs
Image 1 of 6 (Microhouse)
Image 2 of 6
Image 3 of 6 (XenoNeo)
Image 4 of 6 (Tulip Gebr. Ver. (TGV NL))
Image 5 of 6 (XenoNeo)
Image 6 of 6 (XenoNeo)
Disclaimer
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