M-Tech (MTI)/Rise R407E VESA 486
Chipset
Socket 
FSB speeds 20MHz25MHz33MHz40MHz50MHz
Form factorBaby AT (max 220 x 330 mm)
Dimensions330mm x 218mm
Cache
128KB256KB512KB1MB
Max RAM size
128MB
RAM types 30-pin SIMM72-pin FPM
PSU connector
Also known as
- M-Tech (MTI)/Rise R407E/V
I/O ports1x
AT Keyboard
Expansion slots8x
16-bit ISA
3x
32-bit VLB
Known issues
- Leaky Ni-Cd clock battery
The Ni-Cd battery may be leaking, risking damage to PCB layers & nearby components. Promptly remove the battery & clean corrosion/alkaline salts from the board. Use white vinegar to dissolve salts, but exercise caution as vinegar can corrode exposed metals. A thorough examination & repair may be needed. Replace battery with guide: https://github.com/wiretap-retro/Not-A-Varta
Last updated 2025-01-27T21:05:47Z
Board info score is 9.2/10
Chips
-
Chipset part
-
Human Interface
CPU family support
3 BIOS files available
AMI - 2 entries
POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
40-P805-009999-00101111-072594-SIS471G
Note
Mfg code missing; recognizes DX4 CPUs as DX2
Core version
072594
BIOS version
Logs
Award - 1 entry
POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
09/14/94-SIS-85C471B/E/G-2C4I9R01-00
Note
Recognizes DX4 CPUs as DX2
Core version
4.50G
BIOS version
Logs
No drivers available
2 board documents available
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
1995-11-30
File
Logs
Chip
Release date
1995-11-22
File
Logs
Chip
Release date
1994-07
File
Logs
Family
Release date
File
Logs
Image 1 of 3 (Microhouse)
Image 2 of 3 (Dusko)
Image 3 of 3 (Carlos S. M.)
Disclaimer
The info found in this page might not be entirely correct. Check out this guide to learn how you can improve it.