IntelIntelIntelIntelIntelIntelIntelIntelIntelIntelIntelIntelIntelIBMIBMIBMIBMIBMIBMIBMAMDAMDAMDAMDAMDSGSSGSSGSSGSCyrix
pinP23P23SP23NODPODP-SODPRODPR-SP4P4SP24P24SP24CP24D486DX486DXV486DX2486DX2V486DX4486DX4W5x86C486DX2486DX2W486DX4486DX4W5x86486DX486DX2486DX2V5x865x86
A1D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20D20
A2D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22D22
A3NCNCNCNCNCNCTCKTCKTCKTCKTCKTCKTCKNCNCNCNCNCNCNCTCKTCKTCKTCKTCKNCNCNCNCTCK
A4D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23D23
A5DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3DP3
A6D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24D24
A7VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
A8D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29D29
A9VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
A10NCNCINCINCINCINCINCNCNCNCNCINCINVSUSPA#SUSPA#SUSPA#SUSPA#SUSPA#INVALINVINCINVINCINVINVSUSPA#SUSPA#INVALINVALINVAL
A11VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
A12NCNCINCINCINCINCINCNCNCNCNCINCHITM#SMI#SMI#SMI#SMI#SMI#HITM#HITM#INCHITM#INCHITM#HITM#SMI#SMI#HITM#HITM#HITM#
A13NCINCFERR#FERR#FERR#NCINCNCNCNCNCINCINCRPLSET1RPLSET1RPLSET1RPLSET1RPLSET1SUSPA#SUSPA#INCINCINCINCINCRPLSET1RPLSET1SUSPA#SUSPA#SUSPA#
A14NCNCNCNCNCNCTDITDITDITDITDITDITDINCNCNCNCNCTDITDITDITDITDITDITDINCNCTDITDITDI
A15NMINMIIGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#IGNNE#
A16INTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTRINTR
A17AHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLDAHOLD
B1D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19D19
B2D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21D21
B3VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
B4VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
B5VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
B6D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25D25
B7VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
B8D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31D31
B9VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
B10NCSMI#SMI#NCSMI#NCSMI#NCSMI#NCSMI#SMI#SMI#NCNCNCNCNCNCSMI#INCSMI#INCSMI#SMI#NCNCNCNCSMI#
B11VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
B12NCNCINCINCINCINCINCNCNCNCNCINCCACHE#TESTTESTTESTTESTNCRPLSET1CACHE#INCCACHE#INCCACHE#CACHE#NCNCRPLSET1CACHE#CACHE#
B13NCNCINCINCINCINCINCNCNCNCNCINCWB/WT#WM_RSTWM_RSTWM_RSTWM_RSTWM_RSTRPLVAL#WB/WT#CLKMULWB/WT#CLKMULWB/WT#WB/WT#WM_RSTWM_RSTRPLVAL#RPLVAL#NC
B14NCNCMP#UP#UP#NCTMSTMSTMSTMSTMSTMSTMSNCNCNCNCNCRPLSET0NCTMSTMSTMSTMSTMSNCNCRPLSET0RPLSET0TMS
B15NCNCNMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMINMI
B16NCNCNCNCNCNCTDOTDOTDOTDOTDOTDOTDONCNCNCNCNCTDOTDOTDOTDOTDOTDOTDONCNCTDOTDOTDO
B17EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#EADS#
C1D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11D11
C2D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18D18
C3CLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLKCLK
C4VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
C5VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
C6D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27D27
C7D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26D26
C8D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28D28
C9D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30D30
C10NCSRESETSRESETNCSRESETNCSRESETNCSRESETNCSRESETSRESETSRESETSMADS#SMADS#SMADS#SMADS#SMADS#WM_RSTWM_RSTINCSRESETINCSRESETSRESETSMADS#SMADS#WM_RSTWM_RSTWM_RST
C11NCMP#INCINCINCNCUP#UP#UP#UP#UP#UP#UP#NCNCNCNCNCNCNCUP#UP#UP#UP#UP#UP#UP#UP#UP#UP#
C12NCSMIACT#SMIACT#NCSMIACT#NCSMIACT#NCSMIACT#NCSMIACT#SMIACT#SMIACT#RPLSET0RPLSET0RPLSET0RPLSET0RPLSET0SMADS#SMADS#INCSMIACT#INCSMIACT#SMIACT#SMADS#SMADS#SMADS#SMADS#SMADS#
C13NCNCNCNCNCNCNCNCNCNCNCNCNCRPLVAL#RPLVAL#RPLVAL#RPLVAL#RPLVAL#TESTTESTNCNCNCNCNCRPLVAL#RPLVAL#TESTTESTNC
C14INCINCINCNCINCFERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#FERR#
C15FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#FLUSH#
C16RESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESETRESET
C17BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#BS16#
D1D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9D9
D2D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13D13
D3D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17D17
D4----KEYKEYKEY--------------------------------------------------
D15A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#A20M#
D16BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#BS8#
D17BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#BOFF#
E1VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
E2VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
E3D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10D10
E15HOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLDHOLD
E16VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
E17VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
F1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1DP1
F2D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8D8
F3D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15D15
F15KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#KEN#
F16RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#RDY#
F17BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#BE3#
G1VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
G2VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
G3D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12D12
G15NCSTPCLK#STPCLK#NCSTPCLK#NCSTPCLK#NCSTPCLK#NCSTPCLK#STPCLK#STPCLK#SUSP#SUSP#SUSP#SUSP#SUSP#SUSP#SUSP#INCSTPCLK#INCSTPCLK#STPCLK#SUSP#SUSP#SUSP#SUSP#SUSP#
G16VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
G17VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
H1VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
H2D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3
H3DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2DP2
H15BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#BRDY#
H16VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
H17VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
J1VccVccVccVccVccVccVccVccVccVccVccVcc5VccVccNCVccNCNCNCNCINCVccINCVccVccNCNCNCNCNC
J2D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5D5
J3D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16D16
J15BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#BE2#
J16BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#BE1#
J17PCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCDPCD
K1VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
K2VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
K3D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14D14
K15BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#BE0#
K16VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
K17VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
L1VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
L2D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6D6
L3D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7
L15PWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWTPWT
L16VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
L17VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
M1VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
M2VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
M3D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4D4
M15D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#D/C#
M16VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
M17VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
N1D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2
N2D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1
N3DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0DP0
N15LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#LOCK#
N16M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#M/IO#
N17W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#W/R#
P1D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0
P2A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29A29
P3A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30A30
P15HLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDAHLDA
P16VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
P17VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
Q1A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31A31
Q2VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
Q3A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17A17
Q4A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19A19
Q5A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21A21
Q6A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24A24
Q7A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22A22
Q8A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20A20
Q9A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16A16
Q10A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13A13
Q11A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9A9
Q12A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5A5
Q13A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7A7
Q14A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2A2
Q15BREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQBREQ
Q16PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#PLOCK#
Q17PCK#PCK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#PCHK#
R1A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28A28
R2A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25A25
R3VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
R4VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
R5A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18A18
R6VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
R7A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15A15
R8VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
R9VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
R10VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
R11VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
R12A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11A11
R13A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8
R14VccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVccVcc
R15A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3A3
R16BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#BLAST#
R17NCNCINCINCINCINCINCNCNCNCNCCLKMULINCHITM#HITM#HITM#HITM#HITM#CLKMULCLKMULINCCLKMULINCCLKMULCLKMULHITM#HITM#CLKMULCLKMULCLKMUL
S1A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27A27
S2A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26A26
S3A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23A23
S4NCBRDYC#NCNCNCNCNCNCBRDYC#NCBRDYC#VOLDETNCINVALINVALINVALINVALINVALVssVOLDETVOLDETVOLDETVOLDETVOLDETVOLDETINVALINVALVOLDETVOLDETVOLDET
S5A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14A14
S6VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
S7A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12A12
S8VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
S9VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
S10VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
S11VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
S12VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
S13A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10A10
S14VssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVssVss
S15A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6A6
S16A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4
S17ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#ADS#
Notes:
P23 - Intel 486SX
P23S - Intel 486SX SL enhanced
P23N - Intel 487SX Math Coprocessor
ODP - Intel 486 OverDrive (P23T)
ODP-S - Intel 486 OverDrive SL enhanced (P23T)
ODPR - Intel 486 OverDrive Replacement (P4T)
ODPR-S - Intel 486 OverDrive Replacement SL enhanced (P4T)
P4 - Intel 486DX
P4S - Intel 486DX SL enhanced
P24 - Intel 486DX2
P24S - Intel 486DX2 SL enhanced
P24C - Intel 486DX4 SL enhanced low voltage
P24D - Intel 486DX2 write-back enhanced SL enhanced
     &EW
          &E: SL enhanced
           W: write-back enhanced

IBM 486DX - 5v SMM
IBM 486DXV - low voltage SMM
IBM 486DX2 - 5v SMM
IBM 486DX2V - low voltage SMM
IBM 486DX4W - low voltage write-back enhanced SMM
IBM 5x86C - low voltage write-back enhanced SMM

AMD 486DX2 - low voltage (no SMM)
AMD 486DX2W - low voltage write-back enhanced SMM
AMD 486DX4 - low voltage (no SMM)
AMD 486DX4W - low voltage write-back enhanced SMM
AMD 5x86 - low voltage write-back enhanced SMM
     SV8B:
          S: SMM; N: standard
          V: low power; _: standard
          8: 8Kbyte L1 cache
          B: write-back cache; T: write-through cache

SGS 486DX - 5v SMM
SGS 486DX2 - 5v SMM
SGS 486DX2V - low voltage SMM
SGS 5x86 - low voltage write-back enhanced SMM

Cyrix 5x86 - low voltage write-back enhanced SMM

W - Write-Back enhanced
V - Low voltage
Many of the IBM, Cyrix, and Texas Instruments 486 chips share similar pinouts.
The UMC U5D and U5S are clones of the Intel 486DX and 486SX, and share the same pinouts.

Created by: Chris Hare
See http://www.pchardwarelinks.com/486pin.htm for pin layout and descriptions.
Last edited: March 2, 2001