MP6

Short description: 1998 microprocessor

Rise mP6

The Rise Technology mP6 microprocessor, the 387-ball BGA package mounted on a 296-pin Socket 7 PPGA adapter.

General Info
Launched| 1998
Discontinued| 1999
Marketed by| Rise Technology
Designed by| Rise Technology
Common manufacturer(s)|

* TSMC[1]

CPUID code| 00000504 (Kirin)
00000521 (Lynx)[2]
Product code| 6441
Performance
Max. CPU clock rate| 166 MHz to 250 MHz
FSB speeds| 83 Mhz to 100 Mhz
Cache
L1 cache| 16 KiB
L2 cache| Motherboard dependent
L3 cache| none
Architecture and classification
Min. feature size| 0.25 µm to 0.18 µm
Microarchitecture| 8-stage (integer)/4-stage (Floating point), triple pipelined design
Instruction set| x86 (IA-32)
Physical specifications
Cores|

* 1

Package(s)|

* BGA-387
* CGPA-296

Socket(s)|

* Super Socket 7

Products, models, variants
Core name(s)|

* Kirin
* Lynx

History
Successor| Rise mP6-II

The Rise mP6 was a superpipelined and superscalar[3] microprocessor designed by Rise Technology to compete with the Intel Pentium line.

## Contents

* 1 History
* 1.1 Design
* 1.2 Performance
* 1.3 Use
* 2 Legacy
* 3 mP6 data
* 4 References
* 5 External links

## History

Rise Technology had spent 5 years developing a x86 compatible microprocessor,[4] and finally introduced it in November 1998 as a low-cost, low-power alternative for the Super Socket 7 platform, that allowed for higher Front-side bus speeds than the previous Socket 7 and that made it possible for other CPU manufacturers to keep competing against Intel, that had moved to the Slot 1 platform.

### Design

The mP6 made use of the MMX instruction set and had three MMX pipelines which allowed the CPU to execute up to three MMX instructions in a single cycle. Its three integer units made it possible to execute three integer instructions in a single cycle as well and the fully pipelined floating point unit could execute up to two floating-point instructions per cycle. To further improve the performance the core utilized branch prediction and a number of techniques to resolve data dependency conflicts.[3] According to Rise, the mP6 should perform almost as fast as Intel Pentium II at the same frequencies.[5]

### Performance

Despite its innovative features, the real-life performance of the mP6 proved disappointing. This was mainly due to the small L1 Cache.[5] Another reason was that the Rise mP6's PR 266 rating was based upon the old Intel Pentium MMX,[5] while its main competitors were the Intel Celeron 266, the IDT WinChip 2-266 and the AMD K6-2 266, that all delivered more performance in most benchmarks and applications.[5] The Celeron and the K6-2 actually worked at 266 MHz, and the WinChip 2's PR rating was based upon the performance of its AMD opponent.[5]

### Use

Announced in 1998, the chip never achieved widespread use,[citation needed] and Rise quietly exited the market in December of the following year.

Like competitors Cyrix and IDT, Rise found it was unable to compete with Intel and AMD.

## Legacy

A Vortex86DX

Silicon Integrated Systems (SiS) licensed the mP6 technology, and used it in the SiS 550, a system-on-a-chip (SoC) that integrated the mP6 CPU, the north and south bridges, and sound and video on a single chip. The SiS 550 saw use in some compact PCs and in consumer devices, such as DVD players. The SiS 551 chip was also marketed by DM&P as Vortex86 (M6127D).

Later DM&P took over mP6 design from SiS and continues development under Vortex86 SoC product line.

DM&P further signed an agreement with Xcore to allow them to rebrand the chip as Xcore86.[6]

## mP6 data

The various models of the Rise mP6 with their PR rating, data from[3][5] Model number | Frequency | L1 Cache | FSB | Mult. | Voltage | TDP | Socket | Release date | Part number(s) | sSpec number | Introduction price

|
|
|
|
|
|
|
|
|
|
|

PR 166 | 166 MHz | 8 (data) +
8 (instructions) KB | 83 Mhz | 2x | 2.75–2.85 V | 7.28 W | Super Socket 7
BGA 387
PPGA 296 | 13 October 1998 | MP6441RPFE4-Q |  | $50
PR 233 | 190 MHz | 8 (data) +
8 (instructions) KB | 95 Mhz | 2x | 2.75–2.85 V | 8.11 W | Super Socket 7
BGA 387
PPGA 296 | 13 October 1998 |  |  |
PR 266 | 200 MHz | 8 (data) +
8 (instructions) KB | 100 Mhz | 2x | 2.75–2.85 V | 8.54 W | Super Socket 7
BGA 387
PPGA 296 | 13 October 1998 | MP6441DPFH4-Q
MP6441RPFH4-Q |  | $70
PR 333 | 240 MHz | 8 (data) +
8 (instructions) KB | 95 Mhz | 2.5x | 2 V | 10.18 W | Super Socket 7
BGA 387
PPGA 296 | 26 May 1999
Samples only | MP65RPAPG5-ES |  |
PR 366[7] | 250 MHz | 8 (data) +
8 (instructions) KB | 100 Mhz | 2.5x | 2 V | 10.72 W | Super Socket 7
BGA 387
PPGA 296 | 26 May 1999
Samples only | MP65RPAPH5-DS |  |

## References

1. ↑ "32 BITS: SUPERSCALAR: 4.26. Rise iDragon mP6". http://alasir.com/x86ref/index2.html. Retrieved 3 November 2011.
2. ↑ "x86, x64 Instruction Latency, Memory Latency and CPUID dumps". 22 October 2011. http://www.freeweb.hu/instlatx64/. Retrieved 3 November 2011.
3. ↑ 3.0 3.1 3.2 Shvets, Gennadiy (8 October 2011). "Rise Technology MP6 family". CPU World. http://www.cpu-world.com/CPUs/MP6/. Retrieved 1 November 2011.
4. ↑ "Rise mP6". CPU-collection.de. http://www.cpu-collection.de/?tn=&l0=co&l1=Rise&l2=mP6. Retrieved 1 November 2011.
5. ↑ 5.0 5.1 5.2 5.3 5.4 5.5 Gravrichenkov, Ilya (15 May 1999). "Rise mP6 266 Review". X-bit Laboratories. Archived from the original on 7 May 2009. https://web.archive.org/web/20090507122023/http://www.xbitlabs.com/articles/cpu/display/rise-mp6.html. Retrieved 1 November 2011.
6. ↑ Xcore Corporation Ltd. has entered into an agreement with DMP Electronics Inc.
7. ↑ Shvets, Gennadiy (8 October 2011). "Rise Technology MP6 PR 366". CPU World. http://www.cpu-world.com/CPUs/MP6/Rise Technology-MP6 PR 366 MHz - MP65RPAPH5-DS.html. Retrieved 1 November 2011.

## External links

* CPU-INFO: Rise MP6, indepth processor history
* mP6
* The Rise of the Vortex86: Embedded x86 Processors

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