Ultimate Hardware 2019 BETA

Acer VI15G

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Form factor: Baby AT
Chipset: SiS 85C471/407 (Green PC ISA-VLB 486 Single Chip ) [85C471, 85C407]
Dimensions:254mm x 220mm
Processor platform:486 [5V only]
Maximum supported RAM: 128 MB
Cache: 128 KB 256 KB 512 KB
Supported RAM types: 72-pin FPM
BIOS images:
Manuf. POST String Note BIOS Ver. Core Ver.
AMI 40-E711-001770-00101111-121593-SIS471G-H Vi15G R2.30 121593
AMI 40-E711-001770-00101111-121593-SIS471 Vi15G R1.21 121593
Manuals:
Expansion slots:
  • 3x 32-bit VLB
  • 7x 16-bit ISA
Supported CPUs: Intel 80486 OverDrive Intel 80486DX Intel 80486DX2 Intel 80486SX AMD Am486DX AMD Am486DX (L) AMD Am486DX2 Cyrix Cx486DX Cyrix Cx486DX2
Supported FSB speeds: 20MHz 25MHz 33MHz 40MHz 50MHz 66MHz
Notes:
  • Has gold plated SIMM slots which is unusual.
  • Original EPROM BIOS chip is UV-erasable. Can be replaced by W25C512-45Z which is electrically erasable.
  • There are more board revisions and some of them most likely support 3V CPUs (voltage regulator placeholders are right next to the CPU socket).