Am486DX-SV8B
i486DX4-&EW
i486DX2-&EW(P24D)

JP18 1-2 short
JP19 3-4 short, (2-3 short for WT)
JP20 1-2, 4-5 short
JP21 1-2, 3-4, 5-6 short
JP22 1-2 short
JP23 1-2, 5-6 short
JP24 1-2, 4-5 short
JP25 All Open for 3x clk,(1-2 short for 2x clk)

Am486DX4-NV8T
Am486DX2-NV8T
Am486DXL4,DXL2

JP18 2-3 short
JP19 All Open for 3x clk, (2-3 short for 2x clk)
JP20 1-2, 4-5 short
JP21 All Open
JP22 4-5 short
JP23 4-5 short
JP24 1-2, 5-6 short
JP25 4-5 short

Intel 486DX,DX2-&E
i486DX4,DX4ODP-&E
OverDrive/i487SX

JP18 1-2 short
JP19 All Open
JP20 1-2 short
JP21 1-2 short
JP22 1-2, 5-6 short
JP23 1-2, 5-6 short
JP24 1-2, 5-6 short
JP25 All Open for 3x clk,(1-2 short for 2x clk)

Intel SL486SX,SX2
Intel NonSL486SX,SX2

JP18 1-2 short
JP19 All Open
JP20 2-3 short
JP21 1-2 short
JP22 1-2, 5-6 short
JP23 1-2, 5-6 short
JP24 1-2, 5-6 short
JP25 All Open

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

JP18 1-2 short
JP19 1-2, 4-5 short,(All Open for Cx486DX, DX2)
JP20 1-2 short
JP21 2-3 short
JP22 2-3 short
JP23 2-3, 5-6 short
JP24 2-3, 5-6 short
JP25 2-3 short

Cx486DX4-P/O
Cx5x86(M1sc)

JP18 1-2 short
JP19 All Open
JP20 1-2 short
JP21 1-2, 3-4, 5-6 short
JP22 1-2 short
JP23 1-2, 5-6 short
JP24 1-2, 5-6 short
JP25 All Open for 3x clk,(1-2 short for 2x clk)

JP18 2-3 short
JP19 All Open
JP20 2-3 short
JP21 All Open
JP22 4-5 short
JP23 4-5 short
JP24 5-6 short
JP25 4-5 short

Intel P24T(WB)

JP18 1-2, 4-5 short
JP19 1-2, 5-6 short
JP20 5-6 short
JP21 1-2 short
JP22 All Open
JP23 3-4 short for WB (2-3 short for WT)
JP24 1-2 short

JP18 1-2 short
JP19 3-4 short, (2-3 short for WT)
JP20 1-2, 4-5 short
JP21 1-2, 3-4, 5-6 short
JP22 1-2 short
JP23 1-2, 5-6 short
JP24 1-2, 4-5 short
JP25 All Open for 3x clk,(1-2 short for 4x clk)

JP18 1-2 short
JP19 All Open
JP20 1-2 short
JP21 1-2, 3-4, 5-6 short
JP22 1-2 short
JP23 1-2, 5-6 short
JP24 1-2, 5-6 short
JP25 All Open for 3x clk, (1-2 short for 4x clk