Wearnes PB3905
chipChipset
cpuCPU sockets
PLCC68 PQFP100
speedFSB speeds
16MHz33MHz
moboForm factor
LPX (max 229 x 330 mm)
dimDimensions
Empty
chipCache
None/Integrated in the CPU
ramMax RAM size
8MB
ramRAM type
30-pin SIMM
pwrPSU connector
AT (P8-P9)
connI/O ports
1x 
AT Keyboard
1x 
Floppy interface
1x 
IDE interface
1x 
Parallel
2x 
Serial
1x 
VGA
cardExpansion slots
Empty

Also known as:

  • Wearnes 386SX-33 SL
  • Wearnes PA-2125

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 2023-08-21T21:55:31Z
Board info score is 6.8/10
1 file available

Vendor: Phoenix [1 entry]

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
Note
Core version
1.01 (04/19/90)
BIOS version
Logs
drv No drivers available
doc No board documents available
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs

Disclaimer

The info found in this page might not be entirely correct. Check out this guide to learn how you can improve it.