430FX
Triton

L2 Cache: 512KB Pipelined burst 3-1-1-1
Memory: EDO 7-2-2-2@66Mhz; 230MB/s; up to 128MB
PCI: 100MB/s
intel data sheet #290549

Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82437FX SC SZ999 A2 0x122d 0x02  
2 82438FX DPU     N/A N/A  
1 82371FB IB PIIX          

PIIX PCI ISA IDE Xcelerator
7 channel DMA
2x 82C59 IRQ controller
8254 Timer / Counter
power management (SMM, clock control, APM)
I/O
ISA bridge
2 IDE controllers (4 devices)
intel data sheet #290550
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82371FB IB PIIX Q281
Q321
A1 0x122e IB
0x1230 IDE
0x02
0x02
engineering samples
SZ964
SZ997
A1 0x122e IB
0x1230 IDE
0x02
0x02
 
Q293 A1p 0x122e IB
0x1230 IDE
0x02
0x02
engineering samples
SZ967 A1p 0x122e IB
0x1230 IDE
0x02
0x02
 

430HX
Triton II
  • L2 Cache: Pipelined burst 3-1-1-1
  • Memory: EDO, 5-2-2-2@66Mhz; ECC support; up to 512MB
  • PCI: Concurrent, PCI 2.1
  • USB and Dual CPU support
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82439HX SC SU087 A1 0x1250 0x01 No ECC
SU102 A2 0x1250 0x02 ECC support
SU115 A3 0x1250 0x03 snoop ahead fixed for dual CPU
1 82371SB IB
PIIX3
USBC
Q449
Q450
Q451
Q453
A1 0x7000 IB
0x7010 IDE
0x7020 USB
0x00
0x00
0x00
 
SU052 A1 0x7000 IB
0x7010 IDE
0x7020 USB
0x00
0x00
0x00
USB bugs;
2 functions
Q469
Q470
Q471
B0 0x7000 IB
0x7010 IDE
0x7020 USB
0x01
0x00
0x01
 
SU093 B0 0x7000 IB
0x7010 IDE
0x7020 USB
0x01
0x00
0x01
USB support;
3 functions


430HX
Triton II
  • L2 Cache: Pipelined burst 3-1-1-1
  • Memory: EDO, 5-2-2-2@66Mhz; ECC support; up to 512MB
  • PCI: Concurrent, PCI 2.1
  • USB and Dual CPU support
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82439HX SC SU087 A1 0x1250 0x01 No ECC
SU102 A2 0x1250 0x02 ECC support
SU115 A3 0x1250 0x03 snoop ahead fixed for dual CPU
1 82371SB IB
PIIX3
USBC
Q449
Q450
Q451
Q453
A1 0x7000 IB
0x7010 IDE
0x7020
0x00
0x00
0x00
 
SU052 A1 0x7000 IB
0x7010 IDE
0x7020
0x00
0x00
0x00
USB bugs;
2 functions
Q469
Q470
Q471
B0 0x7000 IB
0x7010 IDE
0x7020
0x01
0x00
0x01
 
SU093 B0 0x7000 IB
0x7010 IDE
0x7020
0x01
0x00
0x01
USB support;
3 functions
430TX

Doc 290559
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 or 2 82439TX SC Q516ES
Q517ES
A0 0x7100 0x00 engineering samples
Q536ES
Q537ES
A1 0x7100 0x01 engineering
samples
SL238 A1 0x7100 0x01  
Q557ES A2 0x7100 0x01 engineering
samples
SL28T
SL2LR
A2 0x7100 0x01  
1 82371AB IB
PIIX4
USBC
PRMC
SL23P B0 0x7110
0x7111
0x7112
0x7113
0x01
0x01
0x01
0x01
 
430VX
Triton II
Top
  • L2 Cache: 512KB Pipelined burst 3-1-1-1; cache up to 64MB memory
  • Memory: EDO, 6-2-2-2@66Mhz; SDRAM in DIMM, 6-1-1-1@66Mhz; up to 128MB
  • PCI: Concurrent, PCI 2.1
  • USB and SMBA(UMA) support
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82437VX SC SU085 A1 0x7030 0x01 I/O or PCI memory read cycle delayed;
missed snoop cycle
SU116 A2 0x7030 0x02 Fixed above errata
1 82371SB PIIX3 See 430HX See 430HX See 430HX See 430HX See 430HX
2 82438VX DPU     N/A N/A  
440BX

Top
  • CPU: dual Pentium II (up to 450Mhz) support
  • Motherboard Speed: 100Mhz, 66Mhz
  • Memory: 8 RAS Lines, SDRAM (x-1-1-1@100Mhz), with ECC, up to 1 GB
  • 2X AGP (Accelerated Graphics Port) support
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82443BX SC
AGP
SL2T5 B1 0x7190 0x02 PCI ID is 0x7192 when AGP disabled
SL2VH or SL278 C1 0x7191 0x03
1 82371EB IB
PIIX4E
USBC
PRMC
SL2MY A0 0x7110
0x7111
0x7112
0x7113
0x02
0x01
0x01
0x02
 
440EX

Top
  • CPU: single Pentium II (up to 333Mhz) support
  • Motherboard Speed: 66Mhz
  • Memory: 4 RAS lines, EDO, SDRAM, up to 256 MB
  • 2X AGP (Accelerated Graphics Port) support
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82443EX SC
AGP
    0x7180
0x7181
  PCI ID is same as 443LX
1 82371EB PIIX4E          
440FX
Natoma
Top
  • CPU: dual Pentium Pro, Pentium II
  • L2 Cache: Bulit-in Pentium Pro, on-card for Pentium II (Klamath)
  • Memory: up to 1GB, EDO X-2-2-2@66Mhz; BEDO and ECC support
  • PCI: Concurrent, PCI 2.1
  • USB and Dual CPU support
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82441FX PMC SU053 A1 0x1237 0x02  
1 82442FX DBX SU054 A1 N/A N/A  
1 82371SB PIIX3          
Optional 82093AA APIC SU045   N/A N/A For dual CPU's
440GX

Top
  • CPU: dual Pentium II Xeon support
  • Motherboard Speed: 100Mhz
  • Memory: 8 RAS Lines, SDRAM (x-1-1-1@100Mhz), with ECC, up to 2 GB
  • 2X AGP (Accelerated Graphics Port) support
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82443GX SC
AGP
Q633ES
Q634ES
A0   0x00 engineering samples
SL2TF or
SL2VJ
A0 0x71A0
0x71A1
0x71A2
0x71A9
0x00 PCI ID is 0x71A2 when AGP disabled
1 82371EB PIIX4E SL2MY See 440BX See 440BX See 440BX  
440LX

Top
  • CPU: dual Pentium II, Pentium Pro support
  • Memory: EDO (8-2-2-2) upto 1GB, SDRAM (8-1-1-1) upto 512MB, with ECC
  • PCI: Concurrent, PCI 2.1
  • DIB (Dual Independent Bus) Architecture
  • 2X AGP (Accelerated Graphics Port) support
  • USB and Ultra DMA 33MB/s hard drive protocol support
  • Download setupex.exe from Intel if you want Windows 95 to recognize 440LX components.
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82443LX SC
AGP
SL2KK A3 0x7180
0x7181
0x03  
1 82371AB PIIX4 SL23P See 430TX See 430TX See 430TX  
440ZX

Top
  • CPU: single Pentium II (Celeron PGA370 for ZX66) support
  • Motherboard Speed: 100Mhz (66Mhz for ZX66)
  • Memory: 4 RAS Lines, SDRAM, up to 256MB
  • 2X AGP (Accelerated Graphics Port) support
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
1 82443ZX SC
AGP
    0x7190   PCI ID is 0x7192 when AGP disabled
1 82371EB PIIX4E SL2MY See 440BX See 440BX See 440BX  
450KX
Orion
Doc 243109
  • L2 Cache: Bulit-in Pentium Pro
  • Memory: up to 1GB, 2-way interleaved, ECC support
  • Dual CPU support
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
4 82451KX MIC SU025
SU039
A1 N/A N/A  
1 82452KX DP SU026 QFP
SU029 QFP
SU040 BGA
SU043 BGA
A1 N/A N/A  
SU061 QFP A3 N/A N/A  
1 82453KX MC SU027
SU041
A2 0x84c5 2  
SU062 A4 0x84c5 4  
1 or 2 82454KX PB SU022 QFP
SU024 BGA
SU028 QFP
SU030 BGA
SU042 QFP
SU044 BGA
A2 0x84c4 2 Bus limit
SU064 QFP A4 0x84c4 4 Bus limit fixed?
450GX
Orion
Doc 290643
  • L2 Cache: Bulit-in Pentium Pro
  • Memory: up to 4GB, 4-way interleaved ECC at 8-1-1-1@66Mhz
  • Quad CPU support
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
4 82451GX MIC Q300
Q405
A1 (B0) N/A N/A engineering samples
SU019 A1 (B0) N/A N/A  
Q300
Q405
A1 (C0) N/A N/A engineering samples
SU055 A1 (C0) N/A N/A  
1 82452GX DP Q395 QFP
Q398 BGA
Q406 QFP
Q409 BGA
A3 (B0) N/A N/A engineering samples
SU056 QFP
SU057 BGA
A3 (B0) N/A N/A  
Q967 QFP
Q990 BGA
Q992 QFP
Q995 BGA
Q065 BGA
A4 (C0) N/A N/A engineering samples
SY050 QFP
SY053 BGA
A4 (C0) N/A N/A  
1 82453GX MC Q396
Q407
A4 (B0) 0x84c5 0x04 engineering samples
SU058 A4 (B0) 0x84c5 0x04  
Q988
Q993
A5 (C0) 0x84c5 0x05 engineering samples
SY051 A5 (C0) 0x84c5 0x05  
1 or 2 82454GX PB Q397 QFP
Q399 BGA
Q408 QFP
Q410 BGA
A4 0x84c4 0x04 engineering samples
SU059 QFP
SU063 BGA
A4 0x84c4 0x04  
Q989 QFP
Q991 BGA
Q994 QFP
Q996 BGA
Q066 BGA
A6 0x84c4 0x06 engineering samples
SY052 QFP
SY054 BGA
A6 0x84c4 0x06  
450NX
Top
  • Quad Pentium II Xeon support
  • Motherboard Speed: 100Mhz
  • Memory: up to 8GB, 4-way interleaved ECC EDO
Number Part Number Function On Chip S # Step # PCI ID Revision Notes
4 82451NX MIOC SL2RV B1 0x84ca    
1 82452NX RCG SL2RW B0 N/A N/A  
1 82453NX MUX SL2RX B0 N/A N/A  
1 or 2 82454NX PXB SL2RU B0 0x84cb    
SL2ZA B1 0x84cb    
1 82371EB PIIX4E SL2MY See 440BX See 440BX See 440BX