CPU Upgrade Jumper Setting for VL/I-486SV2GX4 Motherboard

CPU Support and Jumper Setting for VL/I-486SV2GX4 Motherboard

Rev. 2.0/2.1 Motherboard

Am486DX4-SV8B
i486DX4-&EW
i486DX2-&EW (P24D)

JP16 1-2, 5-6 short for WT
JP17 1-2, 5-6 short
JP18 1-2 short
JP19 1-2, 3-4, 5-6 short
JP20 All Open for 3x clk, (1-2 short for 2x clk)
JP21 2-3 short for WT
JP22 1-2, 4-5 short

Am486DX4-NV8T
Am486DX2-NV8T
Am486DXL4, DXL2

JP16 1-2, 5-6 short
JP17 4-5 short
JP18 4-5 short
JP19 All Open
JP20 4-5 short
JP21 All Open for 3x clk, (2-3 short for 2x clk)
JP22 1-2, 4-5 short

Intel 486DX4ODP-3x clk
Intel 486DX4ODP-2.5 clk
Intel 486DX4ODP-2x clk

JP16 5-6 short
JP17 1-2, 5-6 short
JP18 1-2, 5-6 short
JP19 1-2 short
JP20 All Open for 3x clk, (5-6 short for 2.5x clk, 1-2 short for 2x clk)
JP21 All Open
JP22 1-2 short

Intel SL486SX, SX2
Intel NonSL486SX, SX2

JP16 5-6 short
JP17 1-2, 5-6 short
JP18 1-2, 5-6 short
JP19 1-2 short
JP20 All Open
JP21 All Open
JP22 2-3 short

Cx486DX4 (3.45V)
Cx486DX2-V (3.6V/4V)
Ti486DX2-G(3.45V)
Cx486DX, DX2

JP16 2-3, 5-6 short
JP17 2-3, 5-6 short
JP18 2-3 short
JP19 2-3 short
JP20 2-3 short
JP21 1-2 short (All Open for Cyrix 486DX, DX2)
JP22 1-2 short

Cx486DX4-P/O
Cx5x86(M1sc)

JP16 1-2, 5-6 short
JP17 1-2, 5-6 short
JP18 1-2 short
JP19 1-2, 3-4, 5-6 short
JP20 All Open for 3x clk, (1-2 short for 2x clk)
JP21 All Open
JP22 1-2 short

SL(NonSL)i486DX,DX2
SL(NonSL)i487SX,ODP
i486DX4-3x, 2.5x, 2x clk

JP16 1-2, 5-6 short
JP17 1-2, 5-6 short
JP18 1-2, 5-6 short
JP19 1-2 short
JP20 All Open for 3x clk, (5-6 for 2.5x clk, 1-2 short for 2x clk)
JP21 All Open
JP22 1-2 short

P24T, 237-Pin SL ODP

JP16 4-5 short
JP17 1-2, 5-6 short
JP18 5-6 short
JP19 1-2 short
JP20 All Open
JP21 2-3 short for WT
JP22 1-2 short

Am5x86-P75(x5-133MHz)

JP16 1-2, 5-6 short for WT
JP17 1-2, 5-6 short
JP18 1-2 short
JP19 1-2, 3-4, 5-6 short
JP20 All Open for 3x clk, (1-2 short for 4x clk)
JP21 2-3 short for WT
JP22 1-2, 4-5 short

Cx5x86(M1sc)-133MHz)

JP16 1-2, 5-6 short for WT
JP17 1-2, 5-6 short
JP18 1-2 short
JP19 1-2, 3-4, 5-6 short
JP20 All Open for 3x clk, (1-2 short for 4x clk)
JP21 All Open
JP22 1-2 short

Cyrix/Intel CPU Selection

CPU	JP11
Cyrix	1&2
Intel	2&3

CPU Voltage Setting

Voltage	JP32	JP33
3.45(Volt)	1&2	Open
3.6(Volt)	2&3	Open
4(Volt)	Open	1&2
3.3(Volt)	Open	2&3

CPU External Clock Setting

Clock Speed	JP23	JP24	JP25
20MHz	1&2	1&2	1&2
25 MHz	2&3	1&2	1&2
33MHz	2&3	2&3	2&3
40MHz	2&3	2&3	1&2
50MHz	1&2	1&2	2&3

Hardware Trap Setting

CPU	JP5	JP6
486SX, DX, DX2, DX4ODP, 487SX, SL 486SX, DX, DX2, DX4, Am486DX4-NV8T, DX2-NV8T	1&2	2&3
Cyrix DX(2), DX2-V, DX4, 5x86, Am486DXL2, Ti486DX2-G	2&3	1&2
i486DX4-&EW, P24D, P24T, Am486DX4-SV8B	1&2	1&2

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