Engineering:List of Intel Pentium II microprocessors

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The Pentium II from Intel is a sixth-generation CPU targeted at the consumer market.

Desktop processors

"Klamath" (350 nm)

  • All models support: MMX
  • L2 cache is off-die and runs at 50% CPU speed
  • Part numbers prefixed with a B are for boxed retail CPUs


| Pentium II 233

|

  • SL264 (C0)
  • SL28K (C0)
  • SL2HD (C1)
  • SL2QA (C1)
  • SL268 (C0)
  • SL2HF (C1)
  • SL2TK (C0)

| 233 MHz | 512 KiB | 66 MT/s | 3.5× | 2.8 V

|

34.8 W

|

  • Slot 1

| style="text-align:right;" | May 7, 1997

|

| $636 |-


| Pentium II 266[1][2]

|

  • SL265 (C0)
  • SL28L (C0)
  • SL2HC (C1)
  • SL2QB (C1)
  • SL269 (C0)
  • SL2PV (C0)
  • SL2HE (C1)
  • SL2QD (C1)

| 267 MHz | 512 KiB | 66 MT/s | 4× | 2.8 V

|

38.2 W

|

  • Slot 1

| style="text-align:right;" | May 7, 1997

|

  • 80522PX266512
  • 80522PX266512EC[lower-alpha 1]
  • B80522PX266512
  • B80522PX266512E
  • DC80522PX266512

| $775 |-


| Pentium II 300[3][4]

|

  • SL28R (C0)
  • SL2MZ (C0)
  • SL2HA (C1)
  • SL2QC (C1)

| 300 MHz | 512 KiB | 66 MT/s | 4.5× | 2.8 V

|

43 W

|

  • Slot 1

| style="text-align:right;" | May 7, 1997

|

  • 80522PX300512EC
  • B80522PX300512EC

| $1981 |-


|}

  1. ↑ 1.0 1.1 Intel released versions with ECC L2 cache on July 14, 1997 at 233 MHz for $666 (OEM) and at 266 MHz for $805 (OEM)[5]

"Deschutes" (250 nm)

  • All models support: MMX
  • L2 cache is off-die and runs at 50% CPU speed
  • The Pentium II OverDrive is a Deschutes Pentium II core packaged for Socket 8 operation. It comes with 512 KB of off-die full-speed L2 cache, which makes it very similar to the Pentium II Xeon.


| Pentium II 266

|

  • SL2K9 (dA0)
  • SL2QE (dA0)
  • SL2W7 (dB0)
  • SL33D (dB0)

| 267 MHz | 512 KiB | 66 MT/s | 4× | 2.0 V

|

16.8 W

|

  • Slot 1

| style="text-align:right;" | January 26, 1998[6]

|

  • B80523P266512E

| |-


| Pentium II 300

|

  • SL2VY (dA1)
  • SL35V (dA1)
  • SL2W8 (dB0)
  • SL2YK (dB0)

| 300 MHz | 512 KiB | 66 MT/s | 4.5× | 2.0 V

|

18.6 W

|

  • Slot 1

| style="text-align:right;" | January 26, 1998[6]

|

  • B80523P300512E

| |-


| Pentium II 333

|

  • SL2KA (dA0)
  • SL2QF (dA0)
  • SL2S5 (dA1)
  • SL2QH (dA1)
  • SL2ZP (dA1)
  • SL2TV (dB0)
  • SL2WY (dB0)

| 333 MHz | 512 KiB | 66 MT/s | 5× | 2.0 V

|

20.6 W

|

  • Slot 1

| style="text-align:right;" | January 26, 1998[6]

|

  • 80523PX333512 also B80523P333512E (No.98350199-0239)

| $722 |-


| Pentium II Overdrive[7][8]

|

  • SL2KE (TdB0)
  • SL3EA (TdB0)
  • SL2K3

| 333 MHz | 512 KiB | 66 MT/s | 5× | 3.3 V |

|

  • Socket 8

| style="text-align:right;" | August 10, 1998

|

  • PODP66X333

| $599 |-


| Pentium II 350

|

  • SL2S6 (dA1)
  • SL2SF (dA1)
  • SL2ZQ (dA1)
  • SL2U3 (dB0)
  • SL2U4 (dB0)
  • SL356 (dB0)
  • SL37F (dB0)
  • SL3FN (dB0)
  • SL38M (dB1)
  • SL3J2 (dB1)
  • SL2WZ (dB0)
  • SL36U (dB1)

| 350 MHz | 512 KiB | 100 MT/s | 3.5× | 2.0 V

|

21.5 W

|

  • Slot 1

| style="text-align:right;" | April 15, 1998[9]

|

  • 80523PY350512

| $621 |-


| Pentium II 400

|

  • SL2S7 (dA1)
  • SL2SH (dA1)
  • SL2U5 (dB0)
  • SL2U6 (dB0)
  • SL357 (dB0)
  • SL37G (dB0)
  • SL2X2 (dB0)
  • SL2YM (dB0)
  • SL3EE (dB0)
  • SL3F9 (dB0)
  • SL38N (dB1)
  • SL3D5 (dB1)
  • SL38Z (dB1)

| 400 MHz | 512 KiB | 100 MT/s | 4× | 2.0 V

|

24.3 W

|

  • Slot 1

| style="text-align:right;" | April 15, 1998[9]

|

  • BX80523U400512E
  • 80523PY400512PE

| $824 |-


| Pentium II 450

|

  • SL2U7 (dB0)
  • SL2WB (dB0)
  • SL358 (dB0)
  • SL37H (dB0)

| 450 MHz | 512 KiB | 100 MT/s | 4.5× | 2.0 V

|

27.1 W

|

  • Slot 1

| style="text-align:right;" | August 24, 1998[10]

|

  • BX80523U450512E

| $669 |-


|}

Mobile processors

"Tonga" (250 nm)

  • All models support: MMX
  • L2 cache is off-die and runs at 50% CPU speed


| Mobile Pentium II 233

|

  • SL2KH (mdA0)
  • SL2RQ (mdB0)
  • SL2U8 (mDB0)

| 233 MHz | 512 KiB | 66 MT/s | 3.5× | 1.6 V

|

9.0 W

|

  • MMC-1
  • MMC-2

| style="text-align:right;" | April 2, 1998

|

  • PMD23305001AA
  • PMD23305002AB
  • PME23305001AA
  • 80523TX233512

| $542 |-


| Mobile Pentium II 266

|

  • SL2KJ (mdA0)
  • SL2RR (mdB0)
  • SL2U9 (mDB0)

| 267 MHz | 512 KiB | 66 MT/s | 4× | 1.6 V

|

10.3 W

|

  • MMC-1
  • MMC-2

| style="text-align:right;" | April 2, 1998

|

  • PMD26605001AA
  • PMD26605002AB
  • PME26605001AA
  • 80523TX266512

| $772 |-


| Mobile Pentium II 300

|

  • SL2RS (mdB0)
  • SL2Y7 (mDB0)

| 300 MHz | 512 KiB | 66 MT/s | 4.5× | 1.6 V

|

11.1 W

|

  • MMC-1
  • MMC-2

| style="text-align:right;" | September 9, 1998

|

  • PMD30005002AA
  • PME30005002AA
  • PME30005001AA
  • 80523TX300512

| $710 |-


|}

"Dixon" (250 or 180 nm)

  • All models support: MMX
  • L2 cache is on-die and runs at 100% CPU speed
  • Also known as Pentium II "Performance Enhanced"
  • mqbA1 stepping is actually at 180 nm 27.4 million transistors die size 180 mm2


| Mobile Pentium II 266PE

|

  • SL3HH (mdpA0)
  • SL32Q (mdbA0)
  • SL3DR (mdbA0)
  • SL32M (mdxA0)

| 267 MHz | 256 KiB | 66 MT/s | 4× | 1.6 V

|

10.3 W

|

  • μPGA2
  • BGA2
  • MMC-2

| style="text-align:right;" | January 25, 1999

|

  • KP80524KX266256
  • KC80524KX266256
  • PMG26602002AA

| $187 |-


| Mobile Pentium II 300PE

|

  • SL3HJ (mdpA0)
  • SL32R (mdbA0)
  • SL32N (mdxA0)

| 300 MHz | 256 KiB | 66 MT/s | 4.5× | 1.6 V

|

11.6 W

|

  • μPGA2
  • BGA2
  • MMC-2

| style="text-align:right;" | January 25, 1999

|

  • KP80524KX300256
  • KC80524KX300256
  • PMG30002002AA

| $321 |-


| Mobile Pentium II 333

|

  • SL3HK (mdpA0)
  • SL32S (mdbA0)
  • SL32P (mdxA0)
  • SL3KG

| 333 MHz | 256 KiB | 66 MT/s | 5× | 1.6 V

|

11.8 W

|

  • μPGA2
  • BGA2
  • MMC-2

| style="text-align:right;" | January 25, 1999

|

  • KP80524KX333256
  • KC80524KX333256
  • PMF33302001AA

| $465 |-


| Mobile Pentium II 366

|

  • SL3HL (mdpA0)
  • SL3AG (mdbA0)
  • SL36Z (mdxA0)

| 367 MHz | 256 KiB | 66 MT/s | 5.5× | 1.6 V

|

13.1 W

|

  • μPGA2
  • BGA2
  • MMC-2

| style="text-align:right;" | January 25, 1999

|

  • PMG36602002AA

| $696 |-


| Mobile Pentium II 400

|

  • SL3BW (mqpA1)
  • SL3EM (mqbA1)
  • SL3JW (MdxA0)

| 400 MHz | 256 KiB | 66 MT/s | 6× | 1.55 or 1.50[11] V

|

13.1 W

|

  • μPGA2
  • BGA2
  • MMC-2

| style="text-align:right;" | June 14, 1999

|

  • PMG40002002AA KP80524TX400256

| $530 |-


|}

See also

References

  1. ↑ Pentium II 266(C0)
  2. ↑ Pentium II 266
  3. ↑ Pentium II 300(C0)
  4. ↑ Pentium II 300
  5. ↑ "Pentium II Processor Now Including ECC Capability Enables New Level of Processing Power for Entry-Level Servers" (Press release). Intel Corp. July 14, 1997. Retrieved March 12, 2012.
  6. ↑ 6.0 6.1 6.2 "Intel Delivers Fastest Pentium® II". https://www.intel.com/pressroom/archive/releases/1998/dp012698.htm. 
  7. ↑ Pentium II Overdrive(dB0)
  8. ↑ Pentium II Overdrive
  9. ↑ 9.0 9.1 "New Intel® Pentium® II and Celeron® Processors Bring Optimized Performance to Computer Systems". Intel. https://www.intel.com/pressroom/archive/releases/1998/dp041598.htm. 
  10. ↑ "Intel News Release". Intel. https://www.intel.com/pressroom/archive/releases/1998/dp082498.htm. 
  11. ↑ INTEL MOBILE PENTIUM II PROCESSOR IN Micro-PGA AND BGA PACKAGES AT 400 MHz, 366 MHz, 333 MHz, 300PE MHz, AND 266PE MHz Intel 245103-003.pdf data-sheet

External links




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