Entry by computerguy08
IBM 82G2397

IBM 82G2397


CPU support

Supported sockets:
  • Socket 3
Front Side Bus speed: 25, 33, 40, 50 MHz
Supported architectures:
  • AMD Am486 DX P4
  • AMD Am486 DX2 (3.3V) P24C
  • AMD Am486 DX2 (5V) P24
  • AMD Am486 DX4 P24C
  • AMD Am486 SX P23
  • AMD Enhanced Am486 DX2
  • Cyrix Cx486DX M6
  • Cyrix Cx486DX2 (3.3V) M6
  • Cyrix Cx486DX2 (5V) M6
  • Cyrix Cx486DX4 M6
  • Cyrix Cx486S M5
  • Intel i486DX P4
  • Intel i486DX2 P24
  • Intel i486DX2 (WB) P24D
  • Intel i486DX4 P24C
  • Intel i486SX P23
  • Intel i486SX2
Note! Some steppings might require updated BIOS/microcode to work properly.
Supports external cache up to 256 kB
3.3V CPUs require a proprietary voltage regulator module to be installed.

System memory

  • Type: FPM 70 ns
    4x 72-pin SIMM
    ECC memory is optional
Max supported: 128.00 MB


Northbridge/MCH: OPTi 82C802
OPTi 82C601 bus transciever
SuperIO: National PC87323VUL
S3 Vision864 integrated graphics, with max 1 MB of FPM VRAM
1 Mbit Parallel BIOS ROM

Power supply

Main board power: AT
1 3-pin DC fan header

Expansion slots

Rear I/O ports

PS/2 keyboard
PS/2 mouse
2x DE-9 serial
1x DB-25 parallel
VGA output

Internal I/O headers


2 IDE channels, up to 16 MB/s
Floppy connector, up to 2 drives

Circuit board

Other form factor
PCB manufactured in the year 1994


This board uses a proprietary riser card for ISA, VLB and PCI expansion slots:
FRU 06H3095, 2x 16-bit ISA + 1x VLB
FRU 06H3096, 3x 16-bit ISA + 1x VLB
FRU 82G3555, unknown, supposedly has PCI
FRU 06H3097, 2x 8-bit ISA + 5x 16-bit ISA + 1x VLB
FRU 82G3563, unknown, supposedly has PCI
The form factor seems to have inspired the later LPX standard.
This board was used for the IBM Aptiva 6492 and the PS/ValuePoint 6484, 6482 ad 6427.



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