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1994: Intel

week 05, 1994: Intel OverDrive ODPR486DX-33 (V3.0)

week 05, 1994: Intel Pentium A80501-60 Goldcap, 'Processor'-Marking

week 07, 1994: Intel OverDrive ODPR486DX-25 (V3.0)

week 17, 1994: Intel A80486DX-33, DX Logo (SL enhanced)

week 17, 1994: Intel OverDrive ODPR486DX-33 w/o Cooler

week 18, 1994: Intel A80486DX2-66

week 19, 1994: Intel A80486DX4-100

week 19, 1994: Intel A80486SX-33

week 19, 1994: Intel A80860XP-50

week 20, 1994: Intel A80486DX-33, DX Logo

week 28, 1994: Intel SB80486SX-33

week 30, 1994: Intel A80960CF-30

week 35, 1994: Intel OverDrive DX4ODPR100 (V1.0)

week 37, 1994: Intel KU80386EX25

week 37, 1994: Intel A80486DX2-50

week 37, 1994: Intel FC80486DX4-75 Mobile Module

week 37, 1994: Intel OverDrive DX2ODPR66 (V3.0)

week 37, 1994: Intel KU80960CA-25

week 39, 1994: Intel A80486DX4-75

week 45, 1994: Intel A80486DX2-66 (write-back cache)

week 47, 1994: Intel Pentium A80501-60 Goldcap

week 50, 1994: Intel OverDrive DX2ODP66 (V4.0)

week 50, 1994: Intel Pentium A80502-100 Goldcap

» Intel overview
» all chips made in 1994

Intel OverDrive ODPR486DX-33 (V3.0)


ODPR486DX-33 C4050331 SZ878 V3.0 (M)(C)1989 1992	8345591GCB A4 EE 04

Upgrades 33 MHz Intel 486DX and SX based systems to 66 MHz.

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Core Frequency:	66 MHz
Board Frequency:	33 MHz
Clock Multiplier:	2.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Voltage:	5 V
Introduced:	06/1993
Manufactured:	week 05/1994
L1 Cache:	8 KB
CPU Code:	i486 ODPR P4T
Intel S-Spec:	SZ878
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel Pentium A80501-60 Goldcap, 'Processor'-Marking


	A80501-60 SX835 L4050009 INTEL (M) (C) 1992
	53430560AA MALAY F 405 INTEL (M) (C) 1992

An early version of the Pentium 60 with golden heatspreader and 'PROCESSOR'-marking under the 'Pentium' logo. This CPU has the FDIV bug.

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Core Frequency:	60 MHz
Board Frequency:	60 MHz
Data bus (ext.):	64 Bit
Address bus:	32 Bit
Transistors:	3,100,000
Circuit Size:	0.80 µ
Voltage:	5 V
Introduced:	March 22, 1993
Manufactured:	week 05/1994
Made in:	Malaysia
L1 Cache:	8+8 KB
CPU Code:	Pentium P5
Intel S-Spec:	SX835
Package Type:	Ceramic PGA-273 Goldcap
Socket:	4

Intel OverDrive ODPR486DX-25 (V3.0)


ODPR486DX-25 C4070536 SZ877 V3.0 (M)(C)1989 1992	9343929GCA A4 EE 07

Upgrades 25 MHz Intel 486DX and SX based systems to 50 MHz.

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Core Frequency:	50 MHz
Board Frequency:	25 MHz
Clock Multiplier:	2.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Voltage:	5 V
Introduced:	06/1993
Manufactured:	week 07/1994
L1 Cache:	8 KB
CPU Code:	i486 ODPR P4T
Intel S-Spec:	SZ877
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel A80486DX-33, DX Logo (SL enhanced)


A80486DX-33 C4170154 &E5V1X SX810 INTEL (M) (c) '89 '92	54070790CC A4 EE 17

'&E' markings: SL enhanced CPU (Processor includes power management features).

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Core Frequency:	33 MHz
Board Frequency:	33 MHz
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	1,185,000
Circuit Size:	1.00 µ
Voltage:	5 V
Introduced:	May 7, 1990
Manufactured:	week 17/1994
L1 Cache:	8 KB
CPU Code:	i486 DX P4
Intel S-Spec:	SX810
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel OverDrive ODPR486DX-33 w/o Cooler


ODPR486DX-33 SZ698 C2522231 B1 INTEL (M) (c) 1989	C2441524CA A4 BM 52

Upgrades 33 MHz Intel 486DX and SX based systems to 66 MHz.

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Core Frequency:	66 MHz
Board Frequency:	33 MHz
Clock Multiplier:	2.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Voltage:	5 V
Introduced:	06/1993
Manufactured:	week 17/1994
L1 Cache:	8 KB
CPU Code:	i486 ODPR P4T
Intel S-Spec:	SZ698
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel A80486DX2-66


A80486DX2-66 L4180048 &E5V1X SX807 INTEL (M) (c) '89 '92

'&E' markings: SL enhanced CPU (Processor includes power management features).

Comment by Paul Collins (pi314aussie[at]yahoo.com):

When this chip came out, I had a "huge" form-factor (full-AT-size) 486 M/Board. It had sixteen SIMM sockets, but had no clock-crystal socket. This was before end-user jumpers for clock generators were around, thus I was locked into 33MHz, due to the crystal being soldered. I tested a DX2-66 CPU in this giant M/Board, but the (very very) early BIOS didn't let it work. If I wanted to use a 66MHz chip, then I needed a new M/Board that supported such things. By then, the newer M/Boards also had settings for DX4's as well.
The DX4-100 soon followed into the market. As a result, I bypassed the i486DX2-66 altogether, and bought the latest and greatest i486DX4-100. So, I never experienced to joy of owning a -66.

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Core Frequency:	66 MHz
Board Frequency:	33 MHz
Clock Multiplier:	2.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	1,200,000
Circuit Size:	0.80 µ
Voltage:	5 V
Introduced:	August 10, 1992
Manufactured:	week 18/1994
L1 Cache:	8 KB
CPU Code:	i486 DX2 P24
Intel S-Spec:	SX807
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel A80486DX4-100


iCOMP index=435 A80486DX4-100 C4190405 &E 3VOLT SX900 INTEL(m)(c)'89'93	24061650CB A4 EE 19

Donated by Christian Lederer. Thanks a lot!

Comment by Paul Collins (pi314aussie[at]yahoo.com):

When this chip was the latest and greatest new kid on the block, I upgraded from my then 486 33MHz system. I had to replace my then M/Board, as it didn't support "ANY" clock-multiplier CPUs. see comment for A80486DX2-66.
Within months of having my new speed, the AMD 5x86 and Cyrix 5x86 came on sale. The AMD was a clock-quadrupler. The Cyrix was still a clock-tripler, but advanced 5th generation style. Maybe the AMD should be more rightly called an AM486DX5-133, since inside it is still identical to all other 486's. My brand new M/Board's BIOS didn't know these two new chips, so I bought the AMD -133 chip and got a BIOS update at the same time. The AMD behaved unreliably in my system, so I exchanged it with the shop for the Cyrix. (The BIOS update included both). So to end my story, I only got about two-months use from this Intel A80486DX4-100 CPU. N.B. It is nearly a decade later, and I'm still using Cyix 5x86 CPU's.

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Core Frequency:	100 MHz
Board Frequency:	33 MHz
Clock Multiplier:	3.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	1,600,000
Circuit Size:	0.60 µ
Voltage:	3 V
Introduced:	March 7, 1994
Manufactured:	week 19/1994
L1 Cache:	8 KB
CPU Code:	i486 DX4 P24C
Intel S-Spec:	SX900
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel A80486SX-33


A80486SX-33 L4190737 &E5V1X SX797 INTEL (M) (C)'89'92

Core Frequency:	33 MHz
Board Frequency:	33 MHz
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	1,185,000
Circuit Size:	1.00 µ
Voltage:	5 V
Introduced:	04/1991
Manufactured:	week 19/1994
L1 Cache:	8 KB
CPU Code:	i486 SX P23
Intel S-Spec:	SX797
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel A80860XP-50


i860 XP A80860XP-50 L4190197 SX657 (M)(C)1988 1990	94075906AC MALAY A 419

Core Frequency:	50 MHz
Board Frequency:	50 MHz
Data bus (ext.):	64 Bit
Address bus:	64 Bit
Transistors:	2,500,000
Circuit Size:	0.80 µ
Introduced:	1988
Manufactured:	week 19/1994
L1 Cache:	16+16 KB
CPU Code:	N11
Intel S-Spec:	SX657
Package Type:	Ceramic PGA-262

Intel A80486DX-33, DX Logo


A80486DX-33 L4201158 SX729 INTEL (M)(C)1989	7407438FAA MALAY CJ 420 INTEL (M)(C) 1989

Donated by Jorge Segovia. Thanks a lot!

Core Frequency:	33 MHz
Board Frequency:	33 MHz
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	1,185,000
Circuit Size:	1.00 µ
Voltage:	5 V
Introduced:	May 7, 1990
Manufactured:	week 20/1994
L1 Cache:	8 KB
CPU Code:	i486 DX P4
Intel S-Spec:	SX729
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel SB80486SX-33


SB80486SX-33 L4282009 &E3V1X SX855 INTEL (M) (C)'89'92

Core Frequency:	33 MHz
Board Frequency:	33 MHz
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	1,185,000
Circuit Size:	1.00 µ
Voltage:	3.3 V
Introduced:	04/1991
Manufactured:	week 28/1994
L1 Cache:	8 KB
CPU Code:	i486 SX P23
Intel S-Spec:	SX855
Package Type:	Plastic PQFP-208
Socket:	1/2/3

Intel A80960CF-30


	A80960CF-30 L4302570 SW215 (M)(C)1989 1992

This CPU is inside my HP Envizex X-terminal.

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Core Frequency:	30 MHz
Board Frequency:	30 MHz
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Introduced:	1989
Manufactured:	week 30/1994
L1 Cache:	4+1 KB
Intel S-Spec:	SW215
Package Type:	Ceramic PGA-168

Intel OverDrive DX4ODPR100 (V1.0)


DX4ODPR100 C43507058 SZ926 V1.0 INTEL(M)(C) '89'93	24231670-Z A4 36

Upgrades 33 MHz Intel 486DX & SX based systems to 100 MHz.

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Core Frequency:	100 MHz
Board Frequency:	33 MHz
Clock Multiplier:	3.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Voltage:	5 V
Introduced:	10/1994
Manufactured:	week 35/1994
L1 Cache:	16 KB
CPU Code:	i486 DPR P4T
Intel S-Spec:	SZ926
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel KU80386EX25


KU80386EX25 L4371441A SA (M)(C)'85'91 i386 EX	842862F AB FS37

Core Frequency:	25 MHz
Board Frequency:	25 MHz
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	275,000
Circuit Size:	0.80 µ
Voltage:	5 V
Manufactured:	week 37/1994
CPU Code:	i386 EX
Package Type:	Plastic PQFP-132

Intel A80486DX2-50


A80486DX2-50 L4370115 &E5V1X SX808 INTEL (M) (c) '89 '92	94234804AA MALAY ET 437 INTEL (M)(C) 89 92

Comment by Paul Collins (pi314aussie[at]yahoo.com):

This chip was the great saviour for OEMs and system builders. Unlike the DX-50, the DX2-50 didn't demand a heatsink for use. Unlike the DX-50, the DX2-50 didn't demand OEMs to build quality advanced 50MHz-throughout M/Boards. Many early VESA VL-BUS add-on cards would mis-behave when the M/Board was running at 50MHz-throughout. By building a system based on a DX2-50, system builders could sell stable reliable 50MHz-CPU-systems that were only 3% to 15% slower in "real-world" apps. than when using same-for-same BIOS and logic M/Boards, built using DX-50 CPUs. Any DX2-50 end-consumer system (with VL-BUS cards) always ran all programs faster than any 33/40MHz end-consumer system using only 16-bit ISA cards. Thus the DX2 -50 was the saviour.
N.B. once the DX2-66 was common, slower 50MHz systems were "always" built with the DX2-50 or (rarely) the SX2-50. The DX-50 systems fell into non-supply except for the vary rare EISA BUS M/boards (they were mostly 50MHz, except for the EISA circuitry, which was still at 33MHz even then).
With Intel supplying the DX2-50 cheaper than it supplied the DX-50, it was one really really great chip.

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Core Frequency:	50 MHz
Board Frequency:	25 MHz
Clock Multiplier:	2.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	1,200,000
Circuit Size:	0.80 µ
Voltage:	5 V
Introduced:	March 3, 1992
Manufactured:	week 37/1994
L1 Cache:	8 KB
CPU Code:	i486 DX2 P24
Intel S-Spec:	SX808
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel FC80486DX4-75 Mobile Module


	intel DX4 iCOMP index=319 FC80486DX4-75 4370668 & 3VOLT SX883 INTEL (M)(C) '89'93

Intel FC80486DX4-75 Mobile Module Top Side

Intel FC80486DX4-75 Mobile Module Back Side

This CPU-module is the processor inside my IBM Thinkpad 755C from 1995. To take a picture of it about 40 screws and lots of circuit boards, cables, plugs and shieldings had to be removed inside the Thinkpad - hard work.

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Core Frequency:	75 MHz
Board Frequency:	25 MHz
Clock Multiplier:	3.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	1,600,000
Circuit Size:	0.60 µ
Voltage:	3 V
Introduced:	March 7, 1994
Manufactured:	week 37/1994
L1 Cache:	8 KB
CPU Code:	i486 DX4 P24C
Intel S-Spec:	SX883
Package Type:	Plastic PQFP-208

Intel OverDrive DX2ODPR66 (V3.0)


DX2ODPR66 C4370275 SZ904 V3.0 (M)(C)1989 1992	94394054CC A4 AG 49

Upgrades 33 MHz Intel 486DX and SX based systems to 66 MHz.

There is not much difference between an DX2ODPR66 and a standard 486DX2-66. Intel was marketing their speed doubling technology in different products. DX2 chips were sold to Intel OEMs and OverDrive chips were sold directly to end-users. The DX2 chips typically have no built-in heatsink and have a distinctive DX2 label. The OverDrive chips have a distinctive OverDrive label and may have a built-in heatsink.
The 'V3.0' and 'V4.0' marks the third and fourth stepping of the processor since introduction.

References: pcguide.com Intel

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Core Frequency:	66 MHz
Board Frequency:	33 MHz
Clock Multiplier:	2.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Voltage:	5 V
Introduced:	06/1993
Manufactured:	week 37/1994
L1 Cache:	8 KB
CPU Code:	i486 ODP P23T
Intel S-Spec:	SZ904
Package Type:	Ceramic PGA-168 Cooler
Socket:	1/2/3

Intel KU80960CA-25


KU80960CA-25 L4371787 D2 (M)(C)1989 1994	943050506 AC BB 37

Core Frequency:	25 MHz
Board Frequency:	25 MHz
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Introduced:	1989
Manufactured:	week 37/1994
Package Type:	Plastic PQFP-196

Intel A80486DX4-75


Intel DX4 iCOMP index=319 A80486DX4-75 C439106W &E 3VOLT SX884 INTEL (M)(C) '89'93	24290790CA A4 39

Core Frequency:	75 MHz
Board Frequency:	25 MHz
Clock Multiplier:	3.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	1,600,000
Circuit Size:	0.60 µ
Voltage:	3 V
Introduced:	March 7, 1994
Manufactured:	week 39/1994
L1 Cache:	8 KB
CPU Code:	i486 DX4 P24C
Intel S-Spec:	SX884
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel A80486DX2-66 (write-back cache)


A80486DX2-66 L4452189 &EW5V1X SX955 INTEL (M)(C) '89 '93	94356286NA MALAY ES 446 INTEL (m) (c) 89 93

'&EW' markings: SL enhanced CPU (Processor includes power management features) with write-back cache.

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Core Frequency:	66 MHz
Board Frequency:	33 MHz
Clock Multiplier:	2.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Transistors:	1,200,000
Circuit Size:	0.80 µ
Voltage:	5 V
Introduced:	August 10, 1992
Manufactured:	week 45/1994
Made in:	Malaysia
L1 Cache:	8 KB
CPU Code:	i486 DX2 P24
Intel S-Spec:	SX955
Package Type:	Ceramic PGA-168
Socket:	1/2/3

Intel Pentium A80501-60 Goldcap


	A80501-60 SX974 ICOMP INDEX=510 L4473529-0948 INTEL (M) (c) 1992
	94421454NA MALAY 452 R INTEL (M) (c) 1992 A80501-60 SX974

Core Frequency:	60 MHz
Board Frequency:	60 MHz
Data bus (ext.):	64 Bit
Address bus:	32 Bit
Transistors:	3,100,000
Circuit Size:	0.80 µ
Voltage:	5 V
Introduced:	March 22, 1993
Manufactured:	week 47/1994
Made in:	Malaysia
L1 Cache:	8+8 KB
CPU Code:	Pentium P5
Intel S-Spec:	SX974
Package Type:	Ceramic PGA-273 Goldcap
Socket:	4

Intel OverDrive DX2ODP66 (V4.0)


DX2ODP66 C4500207 SZ933 V4.0 INTEL (M) (c) '89 '92	94394054CC A4 AG 49

This is an OverDrive processor for an additional OverDrive socket on the mainboard.
Upgrades 33 MHz Intel 486DX and SX based systems to 66 MHz.

Comment by Paul Collins (pi314aussie[at]yahoo.com):

Note the extra pin. It is a kind of "tell the other guy to shut down" pin. Implemented so that the end-user can just "add" this new chip into the spare upgrade socket, without any need of interfering with the originally supplied SX CPU. Ie. what end-user can remove a PLCC or even PQFP chip.

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Core Frequency:	66 MHz
Board Frequency:	33 MHz
Clock Multiplier:	2.0
Data bus (ext.):	32 Bit
Address bus:	32 Bit
Voltage:	5 V
Introduced:	06/1993
Manufactured:	week 50/1994
L1 Cache:	8 KB
CPU Code:	i486 ODP P23T
Intel S-Spec:	SZ933
Package Type:	Ceramic PGA-169 Cooler
Socket:	1/2/3

Intel Pentium A80502-100 Goldcap


A80502-100 SX962 ICOMP INDEX=810 L4502210-0299 INTEL (M) (c) '92 '93	E4404894AA MALAY 451 U INTEL(M)(C) 92 93 A80502-100 SX962

A not-so common version of the Pentium 100 - with head spreader. This was AFAIK the last ceramic PGA Pentium to use a head spreader.

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Core Frequency:	100 MHz
Board Frequency:	66 MHz
Clock Multiplier:	1.5
Data bus (ext.):	64 Bit
Address bus:	32 Bit
Transistors:	3,200,000
Circuit Size:	0.60 µ
Voltage:	3.3 V
Introduced:	March 7, 1994
Manufactured:	week 50/1994
Made in:	Malaysia
L1 Cache:	8+8 KB
CPU Code:	Pentium P54
Intel S-Spec:	SX962
Package Type:	Ceramic PGA-296 Goldcap
Socket:	5/7

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