CPU Upgrade Jumper Setting for PVI-486AP4 Motherboard

CPU Support and Jumper Setting for PVI-486AP4 Motherboard

Rev. 1.6 Motherboard

SL Enhanced 486DX,ODP 486DX4 & ODP 486DX2 & ODP JP18 2-3, 4-5 short JP19 1-2, 3-4 short	486DX & ODP DX2 &ODP, 486SX Cx486DX,DX2,DX2-V JP18 1-2, 4-5 short JP19 1-2, 3-4 short	SL Enhanced 486SX,SX2 Cx486s JP18 2-3, 4-5 short JP19 1-2, 3-4 short	486SX, SX2 JP18 1-2, 4-5 short JP19 1-2, 4-5 short
Pentium OverDrive P24T, P24CT, P24D JP17 1-2 short for WB (Open for WT) JP18 2-3, 5-6 short JP19 1-2, 3-4 short	Am486DX2 (2x clk) JP18 1-2, 4-5 short JP19 3-4 short JP17 Pin-2 & JP18-3 short for 2x clk	Am486DX2-80(3x clk) Am486DX4-100(3x clk) JP18 1-2, 4-5 short JP19 3-4 short	Am486DXL Am486DX2L JP18 1-2, 4-5 short JP19 3-4 short
Am486SXL Am486SX2L JP18 1-2, 4-5 short JP19 4-5 short	Cx5x86(M1sc)-133MHz Am5x86-P75(x5-133MHz) AMD486DX4-SV8B(120MHz) UMC-U5S Do Not Support

Rev. 1.3 Motherboard

SL Enhanced 486DX,ODP 486DX4 & ODP 486DX2 & ODP JP18 2-3, 4-5 short JP19 1-2 short	486DX & ODP DX2 &ODP, 486SX Cx486DX,DX2,DX2-V JP18 1-2, 4-5 short JP19 1-2 short	SL Enhanced 486SX,SX2 Cx486s JP18 2-3, 4-5 short JP19 2- 3 short	486SX, SX2 JP18 1-2, 4-5 short JP19 2-3 short
Pentium OverDrive P24T, P24CT, P24D JP17 1-2 short for WB(Open for WT) JP18 1-2, 4-5 short JP19 4-5 short	Cx5x86(M1sc)-133MHz, Am486DX2-66(2x clk), Am486DX4-100(3x clk) Am5x86-P75(x5-133MHz), Am486SXL, Am486DXL, Am486DX2L AMD486DX4-SV8B(120MHz), Am486DX2-80(3x clk) UMC-U5S, Am486SX2L Do Not Support

CPU Internal Clock

CPU Internal Clock	JP17
2x Ext. Clock	4&5
2.5x Ext. Clock	3&4
3x Ext. Clock	Open

CPU External Clock

CPU External Clock	JP25	JP26
25 MHz	2&3	1&2
33MHz	1&2	2&3

CPU L1 WB/WT Setting

CPU L1 Cache Type	JP17
Write Through	Open
Write Back	1&2

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Last-Modified: 08/05/96 by Steven Chou
Copyright (C) 1995 ASUSTeK COMPUTER INC.