M-TECHNOLOGY MANUAL UPDATE

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Last Updated: April 22nd, 1998.

Warning !: All Intel MMX, Cyrix/IBM M2, AMD K6 and Cyrix/IBM 6x86L are Split-rail CPUs. These CPUs are usually marked as 2.8V or 2.9V. To prevent your m/b or CPU from being damaged, you must use Dual Power CPU voltage setting.


Mustang AGP-R581A with SIS5591/5595 chipset

Multiplier JP8(BF0) JP9(BF1) JP10(BF2)
1.5XOPENOPENOPEN
2.0XCLOSEOPENOPEN
2.5XCLOSECLSOEOPEN
3.0XOPENCLOSEOPEN
3.5XOPENOPENOPEN
4.0XCLOSEOPENCLOSE
4.5XCLOSECLOSECLOSE
5.0XOPENCLOSECLOSE

Clock Speed PCIAGPJP1JP2JP3
83.3MHz 32641-21-22-3
75.0MHz 32642-31-22-3
75.0MHz 37.5751-22-31-2
68.5MHz 34.368.52-32-31-2
66.7MHz 33.466.71-22-32-3
60.0MHz 30602-32-32-3

CPU SpeedRatio
JP8, JP9, JP10Clock SpeedJP1, JP2, JP3
K6-3004.5XCLOSE, CLOSE, CLOSE66MHz1-2, 2-3, 2-3
K6-2664XCLOSE, OPEN, CLOSE66MHz1-2, 2-3, 2-3


MIG-R557 with Intel 430TX chipset

A) Split rail CPU. (Intel MMX, Cyrix/IBM 6x86MX, AMD-K6 & Cyrix/IBM 6x86L)
  1. JP7: 1-2 open, 3-4 open, 5-6 open.
B). R557 CPU Configurations for Intel MMX, Cyrix/IBM M2 and AMD K6.
CPU Type Core
Voltage		 Bus
Speed		 JP8, JP9 CLk
Multiplier		 JP1, JP2, JP3
Intel-MMX-2332.8V 66MHzOpen, Open3.5XOpen, Open, Open
Intel-MMX-2002.8V66MHzOpen, Open 3.0XOpen, Close, Open
Intel-MMX-1662.8V66MHzOpen, Open2.5XOpen, Close, Close
6x86Mx-2332.9V66MHzOpen, Open3.0XOpen, Close, Open
2.9V75MHzOpen, Close2.5XOpen, Close, Close
6x86Mx-2002.9V75MHzOpen, Close2.0XOpen, Open, Close
6x86Mx-1662.9V66MHzOpen, Open2.0XOpen, Open, Close
AMD-K6-2333.2V66MHzOpen, Open3.5XOpen, Open, Open
AMD-K6-2002.9V66MHzOpen, Open3.0XOpen, Close, Open
AMD-K6-1662.9V66MHzOpen, Open2.5XOpen, Close, Close

C). R557 CPU configurations for AMD K5.
CPU TypeCore
Voltage		Bus
Speed		JP8, JP9 CLk
Multiplier		JP1, JP2, JP3
AMD-K5-1663.3V66MHzOpen, Open 2.5XOpen, Close, Open
AMD K5-1333.3V66MHzOpen, Open2.0XOpen, Open, Close
AMD K5-1003.3V66MHzOpen, Open1.5XOpen, Open, Open
AMD K5-903.3V60MHzClose, Open1.5XClose, Open, Open


MIG-R540 with Intel 430TX chipset

Ratio1.5X2.0X2.5X3.0X3.5X4.0X4.5X
SW2:1, 2, 3OFF, OFF, ONON, OFF, OFFON, ON, OFFOFF, ON, OFFOFF, OFF, OFFON, OFF, ONON, ON, ON

Clock Speed55MHz60MHz66MHz75MHz
SW2: 4, 5, 6ON, ON, OFFON, OFF, OFFOFF, OFF, OFFOFF, ON, OFF

CPU SpeedRatio
SW2:1, 2, 3Clock SpeedSW2:4, 5, 6
K6-3004.5XON, ON, ON66MHzOFF, OFF, OFF
K6-2664XON, OFF, ON66MHzOFF, OFF, OFF


Mustang-R534 with SIS 5571 chipset.

A) Split rail CPU. (Intel MMX, Cyrix/IBM 6x86L & 6x86MX and AMD-K6)
  1. JP13: 1-2 open, 3-4 open, 5-6 open.
  2. JP28: 2-3 Close.
  3. JP27 (I/O Voltage):
      3.3V : 1-2 close & 3-4 close.
      3.45V : 1-2 close & 3-4 open.
      3.5V : 1-2 open & 3-4 open. (recommended)
  4. JP26 (Core Voltage):
      2.4V : 1-2 close & 3-4 close.
      2.7V : 1-2 close & 3-4 open.
      2.8V : 1-2 open & 3-4 open. (recommended)
Note: For regular Intel, Cyrix/IBM 6x86 & AMD cpu, please use single voltage jumpers setting.

B) AMD K5 CPU.

  1. PR-120 : JP10: close, JP11: open, JP12: close, JP18: close & JP19: open.
  2. PR-133 : JP10: close, JP11: close, JP12: open, JP18: close & JP19: open.
  3. PR-166 : JP10: Close, JP11: Close, JP12: Open, JP18: Close & JP19: Close.

C) 83MHz Setting.

    JP10: open, JP11: close, JP12: close.
D) R534 CPU Configurations for Intel MMX, 6x86MX and AMD K6.
CPU TypeCore
Voltage		Bus
Speed		JP10, JP11, JP12CLk
Multiplier		JP18, JP19
Intel-MMX-2332.8V66MHzClose, Close, Open3.5XOpen, Open
Intel-MMX-2002.8V66MHzClose, Close, Open3.0XOpen, Close
Intel-MMX-1662.8V66MHzClose, Close, Open2.5XClose, Close
6x86MX-2332.9V66MHzClose, Close, Open3XOpen, Close
2.9V75MHzOpen, Open, Open2.5XClose, Close
6x86MX-2002.9V75MHzOpen, Open, Open2.0XClose, Open
6x86MX-1662.9V66MHzClose, Close, Open, 2.0XClose, Open
AMD-K6-2002.9V66MHzClose, Close, Open3.0XOpen, Close
AMD-K6-1662.9V66MHzClose, Close, Open2.5XClose, Close
Note: If your R534 does not have the 2.9v option, please use the 2.8v setting.


Mustang-R534E with SIS 5571 chipset.

A) Split rail CPU. (Intel MMX, 6x86MX, AMD-K6 and Cyrix/IBM 6x86L)
  1. JP13: 1-2 open, 3-4 open, 5-6 open.
B) R534E CPU Configurations for Intel MMX, 6x86MX, and AMD K6.
CPU TypeCore
Voltage		Bus
Speed		JP10, JP11, JP12CLk
Multiplier		JP18, JP19
Intel-MMX-2332.8V66MHzClose, Close, Open3.5XOpen, Open
Intel-MMX-2002.8V66MHzClose, Close, Open3.0XOpen, Close
Intel-MMX-1662.8V66MHzClose, Close, Open2.5XClose, Close
6x86MX-2332.9V66MHzClose, Close, Open3XOpen, Close
2.9V75MHzOpen, Open, Open2.5XClose, Close
6x86MX-2002.9V75MHzOpen, Open, Open2.0XClose, Open
6x86MX-1662.9V66MHzClose, Close, Open, 2.0XClose, Open
AMD-K6-2002.9V66MHzClose, Close, Open3.0XOpen, Close
AMD-K6-1662.9V66MHzClose, Close, Open2.5XClose, Close


Mustang-R534F & R534G with SIS 5571 chipset.

A) Split rail CPU. (Intel MMX, 6x86MX, AMD-K6 and Cyrix/IBM 6x86L)
  1. JP13: 1-2 open, 3-4 open, 5-6 open.
B) R534F & R534G CPU Configurations for Intel MMX, 6x86MX and AMD K6.
CPU TypeCore
Voltage		Bus
Speed		JP9, JP10, JP11, JP12CLk
Multiplier		JP18, JP19
Intel-MMX-2332.8V66MHzOpen, Open, Close, Close3.5XOpen, Open
Intel-MMX-2002.8V66MHzOpen, Open, Close, Close3.0XOpen, Close
Intel-MMX-1662.8V66MHzOpen, Open, Close, Close2.5XClose, Close
6x86MX-2332.9V66MHzOpen, Open, Close, Close3XOpen, Close
2.9V75MHzClose, Close, Open, Open2.5XClose, Close
6x86MX-2002.9V75MHzClose, Close, Open, Open2.0XClose, Open
6x86MX-1662.9V66MHzOpen, Open, Close, Close2.0XClose, Open
AMD-K6-2333.2V66MHzOpen, Open, Close, Close3.5XOpen, Open
AMD-K6-2002.9V66MHzOpen, Open, Close, Close 3.0XOpen, Close
AMD-K6-1662.9V66MHzOpen, Open, Close, Close2.5XClose, Close


R533 with Intel 82430VX chipsets.

A) For Intel P54C , Cyrix & IBM CPU.
  1. JP 12:1-2 close, 3-4 close & 5-6 close
B) For Cyrix /IBM 200+ @75MHz
  1. JP3: Close, JP4: Open, JP5: Close, JP19: Close, JP20: Open and JP21: Close.
C). R533 CPU Configurations for Intel MMX, 6x86MX and AMD K6.
CPU TypeCore
Voltage		Bus
Speed		JP3, JP4, JP5CLk
Multiplier		JP19, JP20, JP21
Intel-MMX-2332.8V66MHzOpen, Close, Open3.5XOpen, Open, Open
Intel-MMX-2002.8V66MHzOpen, Close, Open3.0XOpen, Close, Open
Intel-MMX-1662.8V66MHzOpen, Close, Open2.5XClose, Close, Open
6x86MX-2002.9V66MHzOpen, Close, Open2.5XClose, Close, Open
6x86MX-1662.9V66MHzClose, Close, Open 2.0XClose, Close, Open
AMD-K6-2002.9V66MHzOpen, Close, Open 3.0XOpen, Close, Open
AMD-K6-1662.9V66MHzOpen, Close, Open2.5XClose, Close, Open


R529 with Intel 82430VX chipsets.

A) For Intel P54C , Cyrix & IBM CPU.
  1. JP 18:1-2 close, 3-4 close & 5-6 close.


R528 with Intel 82430HX chipsets.

A) For Intel P54C , Cyrix & IBM CPU.
  1. JP 40:1-2 close, 3-4 close & 5-6 close.


R526 and R527 Pentium M/B with SIS chipsets.

A). Cyrix 6x86 -120+, 150+ & 166+.
  1. JP30: 2-3 close.
  2. JP31-1-2 close.


R418 (486 PCI SiS 496 & 497 Chipset)

A). AMD X5-133MHz CPU.
  1. Set as P24D.
  2. JP17: 1-2 close & 3-4 close.
  3. JP 19: 2-3 close.
  4. Set to 33 Mhz for 133 Mhz.

B). AMD DX4-100SV & AMD DX4-120SV (Enhanced CPU).

  1. Set as P24D.
  2. JP17 : 1-2 close & 3-4 close.

C). Cyrix 5x86 - 100GP & Cyrix 5x86 - 120GP.

  1. Set as P24D.
  2. JP12: 2-3.
  3. JP17 : 1-2 close & 3-4 close.


R407 (486 VL Deep Green Motherboard with SiS 407 and 471 Chipset)

A). AMD DX4-100SV8B & AMD DX4-120SV8B (Enhanced CPU).
  1. Set as P24D.
  2. JP2 : 1-2 close & 3-4 close.

B). AMD X5-133 CPU.

  1. Set as P24D.
  2. JP2: 1-2 close & 3-4 close.
  3. JP13: 1-2 close.
  4. JP15: 2-3 close.
  5. Set to 33 Mhz for 133 MHz.

C). Cyrix 5x86 - 100GP & Cyrix 5x86 - 120GP.

  1. Set as P24D.
  2. JP2 : 1-2 close & 3-4 close.
  3. JP4 : 2-3 close.
  4. JP15: open.

D). Intel Pentium Overdirve CPU (P24T).

  1. Set as P24T.
  2. Cut one end of risistor 24 (R24) - Located between VESA Slot and CPU Socket.
Note: 1. R24 will not be needed in any other CPU.
Note: 2. P24T is not recommended to be used in R407 board.

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