Packard Bell PB300/PB320 (REV. A)
Logs
chipChipset
cpuSockets
PLCC68 PQFP100
speedFSB speed
25MHz
moboForm factor
LPX (max 229 x 330 mm)
dimDimensions
230mm x 220mm
ramMax VRAM size
256KB
chipCache
None/Integrated in the CPU
ramMax RAM size
5MB
ramRAM type
30-pin SIMM
pwrPSU connector
AT (6-pin P8 + 6-pin P9)
tag Also known as
connI/O ports
1x 
Floppy interface
1x 
Gameport
1x 
IDE interface
1x 
PS/2 keyboard
1x 
PS/2 mouse
1x 
Parallel
1x 
Serial
1x 
VGA
cardExpansion slots
1x 
16-bit ISA
wrench 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

  • 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 Notes

Has 3 ISA slots on the riser card.

Last updated 2025-12-14T15:43:51Z
Board info score is 9/10
chip Chips
-> Chipset part
ACC Micro/Auctor 2036
-> Human Interface
(multiple brand) 8042 (Keyboard Controller)
-> RAMDAC
UMC UM70C171
-> Real-Time Clock
(multiple brand) 6818A
-> Signal transmitter/receiver
(multiple brand) MC1488 (RS-232 Driver) (multiple brand) MC1489 (RS-232 Receiver)
-> Super I/O
UMC UM82C862F
-> Video
Oak OTI-037C (OTI037C)
cpufam CPU family support
bios 2 BIOS files available

vendor Phoenix - 4 entries

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
Note
VGA ROM was taken from a 1.10.1113 set. Tested OK.
Core version
386 PLUS 1.10
BIOS version
Logs
POST string
Note
Core version
386 PLUS 1.10
BIOS version
Logs
POST string
Note
Core version
386 PLUS 1.10
BIOS version
1.10.1110
Logs
POST string
Note
Core version
386 PLUS 1.10
BIOS version
Logs
drv No drivers available
doc 3 board documents available
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
1995-11-30
File
Logs
Chip
Release date
1984
File
Logs
Chip
Release date
2009-12
File
Logs
Chip
Release date
2009-12
File
Logs
Chip
Release date
1988-10
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
1995-11-22
File
Logs
Chip
Release date
1994-10
File
Logs
Chip
Release date
1994-07
File
Logs
Chip
Release date
1996-01
File
Logs
image1 Image 1 of 9 (Microhouse)
image2 Image 2 of 9 (littlebalup)
image3 Image 3 of 9 (littlebalup)
image4 Image 4 of 9 (littlebalup)
image5 Image 5 of 9 (littlebalup)
image6 Image 6 of 9 (littlebalup)
image7 Image 7 of 9 (littlebalup)
image8 Image 8 of 9 (littlebalup)
image9 Image 9 of 9 (littlebalup)

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