QDI V4S471/G
chipChipset
cpuCPU socket
Socket 3 (PGA237)
cpuCPU family
486 (5V) 486 (3.3V)
speedFSB speeds
25MHz33MHz40MHz50MHz
chipCache
128KB256KB512KB1MB
ramRAM types
30-pin SIMM72-pin FPM72-pin EDO
ramMax RAM size
64MB
pwrPSU connector
AT (P8-P9)
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
220mm x 250mm
connI/O ports
1x 
AT Keyboard
cardExpansion slots
6x 
16-bit ISA
1x 
8-bit ISA
3x 
32-bit VLB

Also known as:

  • QDI SIS 486 P3 GREEN PC
  • QDI SiS471G

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 2023-03-13T10:44:06Z
 TRW ID: 8194
drv 0 drivers available
3 BIOS images available
Manuf.
POST string
Note
Core Ver.
BIOS Ver.
Manuf.
AMI
POST string
40-1201-428003-00001111-072594-SIS471
Note
Lastest BIOS
Core version
072594
BIOS version
Manuf.
AMI
POST string
40-0202-428003-00001111-072594-SIS471-H
Note
Core version
072594
BIOS version
INV 9.1
Manuf.
AMI
POST string
40-0107-428003-00001111-072594-SIS471-H
Note
Core version
072594
BIOS version
INV 9.0
Manuf.
AMI
POST string
40-0710-008003-00101111-121593-SIS471
Note
Core version
121593
BIOS version
Manuf.
Award
POST string
12/07/95-SIS-85C471B/E/G-2C4I9E30-00
Note
EFA bios that will run on this board
Core version
4.50G
BIOS version
doc 2 documents available
Language
File
Language
English
File
Language
English
File
doc 0 other files available

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