KINGSTON TECHNOLOGY CORPORATION 486/33PD3, 25PS3, 33PD3-P70, 33PS3-P70 PROCESSOR UPGRADE BOARD Processor 80486SX/80486DX Processor Speed 25/33MHz Chip Set NONE (uses PS/2 main board chipset) Max. Onboard DRAM NONE Cache NONE BIOS NONE (uses PS/2 main board bios) Dimensions 63.5mm x 50.8mm I/O Options NONE NPU Options NONE [Image] CONNECTIONS Purpose Location Processor upgrade to system board connector P1 SYSTEM TYPE CONFIGURATION Type Speed SW1/1 SW1/2 SW1/3 SW1/4 IBM PS/2 M70 16MHz off on on on (full size board) IBM PS/2 M70 16MHz on on off on (half size board) IBM PS/2 M70 20MHz off on on on (half size board) IBM PS/2 M70 25MHz on on on on (full size board) IBM PS/2 M80 16MHz off off on on IBM PS/2 M80 20MHz off off on on IBM PS/2 M80 25MHz on off on on IBM PS/2 P70 20MHz off on on on Note:If an IBM XGA adapter is installed and a display problem occurs, change switch 4 to the off position.