Full Yes SIS 486G 3.3/5V
Chipset
Socket 
FSB speeds 20MHz25MHz33MHz40MHz50MHz
Form factorBaby AT (max 220 x 330 mm)
Dimensions254mm x 220mm
Cache
64KB128KB256KB512KB
Max RAM size
128MB
RAM types 30-pin SIMM72-pin FPM
PSU connector
I/O ports1x
AT Keyboard
Expansion slots7x
16-bit ISA
3x
32-bit VLB
Also known as:
- Full Yes SIS 486G 3.3/5V Ver:E
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
Notes:
Missing VRM on some boards. Install one of these parts to support 3.3V 486s : Q4 - part# IRF540 or IRF520 Q5 - part# 2N2222 or TO-92 Q6 - part# LT1085CT
Last updated 2023-02-13T19:34:20Z
Board info score is 9.1/10
Chipset parts
CPU family support
3 files available
Vendor: AMI [1 entry]
POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
40-0100-001274-00101111-080893-SIS471B-F
Note
Core version
BIOS version
Logs
Vendor: Award [4 entries]
POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
11/28/95-SIS-85C471B/E/G-2C4I9F30
Note
Updated by Jan Steunebrink
Core version
4.50G
BIOS version
Logs
POST string
08/18/95-SIS-85C471B/E/G-2C4I9F32-00
Note
Core version
4.50G
BIOS version
Logs
No drivers available
1 board document available
Release date
File
Logs
Chip
Release date
File
Logs
Family
Release date
File
Logs
Image 1 of 4 (Microhouse)
Image 2 of 4 (dataino.it)
Image 3 of 4 (deksor)
Image 4 of 4 (dataino.it)
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