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SUPERMICRO COMPUTER reserves the right to make changes to the product described in this manual at any time and without notice. This product, including software, if any, and documentation may not, in whole or in part, be copied, photocopied, reproduced, translated or reduced to any medium or machine without prior written consent.
Preface About This Manual This manual is written for system houses, PC technicians and knowledgeable PC end users. It provides information for the instal- lation and use of the SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 motherboard, which supports the 75/90/100/120/133/150/166/180/ ® 200/233 MHz Intel...
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P 5 M M A 9 8 / P 5 M M A 2 / P 5 M M S 9 8 / P 5 M M S 2 U s e r ' s M a n u a l If you encounter any problem, please see Chapter 3, Troubleshoot- ing, which describes troubleshooting procedures for video, memo- ry, and the setup configuration stored in memory.
P 5 M M A 9 8 / P 5 M M A 2 / P 5 M M S 9 8 / P 5 M M S 2 Quick Reference Jumpers JP5, JP6, JP7 JP9 (MMA98) JP15 (MMS98) JP24 (MMA98) JP27 (MMS98) J35, J36 J45 (MMS98)
SoftOff state. SUPER P5MMA98 and P5MMA2 are ATX size (12" x 8.3"). SUPER P5MMS98 and P5MMS2 are baby AT size (11" x 8.3"). All support up to 256 MB of FPM, EDO, or SDRAM, with 512 KB pipelined burst SRAM or L2 cache, using two 168-pin unbuffered 3.3 V DIMM sock-...
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SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual ets and four 72-pin 5 V SIMM sockets. They include four PCI and four ISA slots with two EIDE, one floppy, ECP/EPP parallel port, PS/ 2 mouse and keyboard connectors, two 16550-based serial ports, two USBs, and a fast IR port. SUPER P5MMS98 and P5MMS2 sup- port 2 Mb/s back-up tapes.
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Chapter 1: Introduction Figure 1-2. SUPER P5MMS98 Motherboard Picture For maximum flexibility, all four motherboards support AT or ATX- type power supply. The AMI WinBIOS has a 1 Mb flash memory for convenient BIOS upgrade. The BIOS supports Advanced Power Management (APM), Plug and Play, and PC health management.
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual AT POWER PS/2 KB PS/2 MOUSE PRINTER ——–——— Manufacturer Settings ———— JP2: J40: JP24: J43: OPEN ——–———————–————––——–—–— ——–—————————–———————— Cyrix/IBM Jumper Settings: p. 2-4 AMD Jumper Settings: p. 2-4 Future CPU Settings: p. 2-5 CPU Voltage Settings: p.
2-4 Future CPU Settings: p. 2-5 CPU Voltage Settings: p. 2-5 CMOS Clear: p. 2-14 ——–———————–————––——–—–— ——–—–——————————–————————————— Figure 1-4. SUPER P5MMA2 Motherboard Layout Chapter 1: Introduction ATX POWER PMC FAN J41, JP9: THERMAL FAN JP24 JJ10 JP3 JP2 BIOS...
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual ® UPER P5MMS98 LM78 BIOS 296-pin ZIF ——–——— Manufacturer Settings ———— JP2: J47: JP27: J55: OPEN ——–———————–————––——–—–— ——–—————————–———————— Cyrix/IBM Jumper Settings: p. 2-4 AMD Jumper Settings: p. 2-4 Future CPU Settings: p. 2-5 CPU Voltage Settings: p.
® UPER P5MMS2 JP14 PS/2 MOUSE BIOS 296-pin ZIF HD LED ————–———–—Intel CPU Speed————––—–———— ——–——— Manufacturer Settings ———— JP2: J47: JP27: J55: OPEN ——–———————–————––——–—–— ——–—————————–———————— Cyrix/IBM Jumper Settings: p. 2-4 AMD Jumper Settings: p. 2-4 Future CPU Settings: p. 2-5 CPU Voltage Settings: p.
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual SUPER P5MMA98 Features The following list covers the general features of SUPER P5MMA98. • Pentium 233, 200, 180, 166, 150, 133, 120, 100, 90, 75 MHz, , Cyrix/IBM 5x86, 6x86, AMD-K5, K6, and future processors Cache •...
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BIOS ® • AMI Flash BIOS with 1 Mb flash memory • Advanced Power Management (APM) Green PC Function • Plug and Play (PnP) and boot block support • Desktop Management Interface 2.0 (DMI) On-Board I/O • 2 EIDE interfaces support Mode 4, Ultra DMA Modes 0, 1, 2 with transfer rates up to 33 MB/s •...
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual SUPER P5MMA2 Features The following list covers the general features of SUPER P5MMA2. • Pentium 233, 200, 180, 166, 150, 133, 120, 100, 90, 75 MHz, , Cyrix/IBM 5x86, 6x86, AMD-K5, K6, and future processors Cache •...
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On-Board I/O • 2 EIDE interfaces support Mode 4, Ultra DMA Modes 0, 1, 2 with transfer rates up to 33 MB/s • 1 floppy interface • 2 Fast UART 16550 serial ports • EPP (Enhanced Parallel Port) and ECP (Extended Capabilities Port) parallel port •...
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual SUPER P5MMS98 Features The following list covers the general features of SUPER P5MMS98. • Pentium 233, 200, 180, 166, 150, 133, 120, 100, 90, 75 MHz, , Cyrix/IBM 5x86, 6x86, AMD-K5, K6, and future processors Cache •...
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BIOS ® • AMI Flash BIOS with 1 Mb flash memory • Advanced Power Management (APM) Green PC Function • Plug and Play (PnP) and boot block support • Desktop Management Interface 2.0 (DMI) On-Board I/O • 2 EIDE interfaces support Mode 4, Ultra DMA Modes 0, 1, 2 with transfer rates up to 33 MB/s •...
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual SUPER P5MMS2 Features The following list covers the general features of SUPER P5MMS2. • Pentium 233, 200, 180, 166, 150, 133, 120, 100, 90, 75 MHz, , Cyrix/IBM 5x86, 6x86, AMD-K5, K6, and future processors Cache •...
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On-Board I/O • 2 EIDE interfaces support Mode 4, Ultra DMA Modes 0, 1, 2 with transfer rates up to 33 MB/s • 1 floppy interface • Supports 2 Mb/s back-up tapes • 2 Fast UART 16550 serial ports • EPP (Enhanced Parallel Port) and ECP (Extended Capabilities Port) parallel port •...
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual 1-2 PC Health Monitoring This section describes the PC health monitoring features of SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2. P5MMS98 have an LM78 chip which can support additional PC health monitoring features. Refer to the previous section for a more detailed specifications list.
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CPU Fan Auto-Off in Sleep Mode The CPU fan will turn on when the power is on. It can be turned off when the CPU is in sleep mode. When the CPU is in sleep mode, it means that it will not run at full power, thereby generating less heat.
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The system BIOS is protected by hardware so that no virus can infect the BIOS area. The user can only change the BIOS content through the flash utility provided by SUPERMICRO. This feature can prevent viruses from infecting the BIOS area and from losing your valuable data.
1-3 ACPI/PC 98 Features ACPI stands for Advanced Configuration and Power Interface. The ACPI specification defines a flexible and abstract hardware inter- face that provides a standard way to integrate power management features throughout a PC system, including hardware, operating system and application software.
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SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual BIOS Support for USB Keyboard If the USB keyboard is the only keyboard in the system, the USB keyboard will work like a normal keyboard during system boot-up. Real Time Clock Wake-up Alarm (ATX power only)
CPU clock rates like 75, 90, 100, 120, 133, 150, 166, 180, 200, 233 MHz and future Pentium processors for the SUPER P5MMA98/ P5MMS98/P5MMA2/P5MMS2 system board. SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 can accomodate ATX or AT power supplies. Although most power supplies generally meet the specifications required by the CPU, some power supplies are not adequate.
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual 1-6 Super I/O Controller SUPER P5MMA98/P5MMA2 uses National Semiconductor 87307 Super I/O Controller which incorporates an IDE control logic, two full function serial ports, an IEEE 1284 parallel port, industry standard floppy disk controller with 16 byte FIFO, Real Time Clock and an 8042 compatible keyboard controller all in one chip.
1-7 Warranty, Technical Support, and Service The manufacturer will repair or exchange any unit or parts free of charge due to manufacturing defects for one year (12 months) from the original invoice date of purchase. Parts Defective parts will be exchanged or repaired within one year (12 months) from the manufacturer’s original invoice purchase date.
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SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual 1-24...
• Handle the board by its edges only; do not touch its components, peripheral chips, memory modules, or gold contacts. • When handling chips or modules, avoid touching their pins. • Put the system board and peripherals back into their anti-static bags when not in use.
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual 2-2 Configuring System Board Jumpers Use the following settings to configure your system board. Refer to Figure 1-3 to 1-6 for an illustration of the jumpers. Manufacturer Settings Manufacturing jumpers are permanently fixed or preset in place on the system board.
Table 2-6. Future CPU Speed Selection P5MMA98/P5MMA2 CPU Voltage Settings Refer to Table 2-7 to adjust the CPU voltage settings. There are 15 different configurable voltages to select from. Table 2-7. CPU Voltage Selection P5MMA98/P5MMA P5MMS98/P5MMS 2.1V 2.2V 2.3V 2.4V 2.5V...
60 ns EDO DRAM or 3.3V synchronous DRAM. Cache Size Selection The SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 motherboard supports 512 KB cache. There are no jumpers needed to config- ure the cache size. SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 uses pipelined burst synchronous SRAMs. Green PC Function The SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 motherboard supports APM (Advanced Power Management).
2-4 Connecting Cables After you have securely mounted the motherboard to the chassis, you are ready to connect the cables. For P5MMA98 and P5MMA2, do not connect the power cord to the input power (wall power plug) until the system is completely installed. This procedure will prevent power from being applied to the motherboard during installation.
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual Table 2-9. ATX Power Supply Connector Pin Definitions Connector Number Number Function 3.3V 3.3V PW-OK 5V Standby PS/2 Keyboard and Mouse Ports The PS/2 keyboard and the PS/2 mouse are located on J4 for P5MMA98/P5MMA2. See Table 2-10 for pin definitions.
Table 2-11. PS/2 Mouse (JP14) Pin Definitions Number Function Data AT Keyboard Connector (P5MMS98/P5MMS2) The keyboard connector JP11 has five pins. See Table 2-12 for pin definitions. Table 2-12. Keyboard Connector Pin Definitions Number Chapter 2: Installation Number Function (key) Function Keyboard clock Keyboard data...
Table 2-13. Reset Pin Definitions Number Keylock/Power LED Cable Connector The keylock is located on JJP23 for P5MMA98/P5MMA2 and on J23 for P5MMS98/P5MMS2. The keylock/power LED cable connector has five pins. See Table 2-14 for pin definitions. NOTE: pins 1 and 3 are for LED power connection, pins 4 and 5 are for keylock con- nection.
Hard Drive LED The hard drive LED is located on JJP23 for P5MMA98/P5MMA2 and on J23 for P5MMS98/P5MMS2. drive LED cable to pins 1 and 2. See Table 2-15 for pin definitions. Table 2-15. Hard Drive LED Pin Definitions Number Speaker Cable Connector The speaker cable connector has four pins.
See Table 2-17 for pin definitions of the PW_ON connec- tor. Table 2-17. PW_ON Connector Pin Definitions Number Infrared Connector The infrared connector is on JP23 for P5MMA98 and P5MMA2. See Table 2-18 for pin definitions. Table 2-18. Infrared Pin Definitions Number Definition...
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Fast IR and Consumer IR Connector P5MMS98/P5MMS2 has a fast IR connector on JP17 and a con- sumer IR on JP18. The infrared functions provide a point-to-point (or multi-point to multi-point) wireless communications. port several infrared protocols including IrDA 1.0, SIR, IrDA 1.1 MIR (1.152 Mbps), IrDA 1.1 FIR (4 Mbps), SHARP ASK-IR, and remote control (NEC, RC-5, advanced RC-5, and RECS-80 protocol).
IRQ for PC Health Monitor Refer to Table 2-23 for instructions on how to select an IRQ for PC health monitoring. This connector is located on J43 for P5MMA98/ P5MMA2 and J55 for P5MMS98 and P5MMS2. J u m p e r Position...
Table 2-23. IRQ Selection Pin Definitions Number Overheat LED The overheat LED is located on J42 for P5MMA98/P5MMA2 and J45 for P5MMS98 and P5MMS2. Refer to Table 2-24 for pin definitions. Table 2-24. Overheat LED Pin Definitions Number External Battery Connect an external battery to JP3.
Table 2-26. 2-pin Overheat Fan Definitions Number Overheat Fan (3-pin) The 3-pin overheat fan is located on J41 for P5MMA98/P5MMA2 and J53 for P5MMS98/P5MMS2. Refer to Table 2-27 for pin definitions. Table 2-27. 3-pin Overheat Fan Pin Definitions Number...
CPU Fan The CPU fan is located on J44 and J51 for P5MMA98/P5MMA2 and J54 for P5MMS98/P5MMS2. Refer to Table 2-28 for pin definitions. Table 2-28. CPU Fan Pin Definitions Number Chassis Fan Connector* The chassis fan is located J58 for P5MMS98/P5MMS2.
Serial Ports Serial port COM1 is located on JJ5 and serial port COM2 is located on J5 for P5MMA98/P5MMA2. They are located on JP9 and JP10 for P5MMS98/P5MMS2. See Table 2-31 for pin definitions. Table 2-31. Serial Ports Pin Definitions...
Number Function Power On/Off State Refer to Table 2-33 on how to set JP24 (P5MMA98/P5MMA2) or JP27 (P5MMS98/P5MMS2). Save Power Down (PD) State is the default and is used when you want the system to be in power off state the first time you apply power to the system or when the system comes back from AC power failure.
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Figure 2-1. Installing/Removing a SIMM/DIMM Memory Module 2-5 Installing/Removing the SIMM Modules SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 can accommodate a maximum of 256 MB of on-board memory, using standard 72-pin SIMM or 168-pin unbuffered DIMM memory modules. You can use any 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, or 32 MB 32/36 bit EDO (Ex- tended Data Output), Fast Page Mode, or SDRAM modules.
CAUTION Exercise extreme care when installing or removing the SIMM/DIMM modules to prevent any possible damages. SIMM/DIMM Module Installation Insert SIMM/DIMM modules in Bank 0 through Bank 1 as re- quired for the desired system memory. Insert each SIMM/DIMM module into its socket at an angle away from the AT slots.
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SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual 2-6 Connecting Parallel, Floppy and Hard Disk Drives Use the following information to connect the floppy and hard disk drive cables. • The floppy disk drive cable has seven twisted wires. • A red mark on a wire typically designates the location of pin 1.
Parallel Port Connector The parallel port is located on J3. tions. Table 2-34. Parallel Port Pin Definitions Number Function Strobe- Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 ACJ- BUSY...
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual Floppy Connector The floppy connector is located on J34. definitions. Table 2-35. Floppy Connector Pin Definitions Number Function See Table 2-35 for pin Number Function FDHDIN Reserved FDEDIN Index- Motor Enable Drive Select B- Drive Select A-...
Enhanced IDE Configurations There are no jumpers to configure the on-board enhanced IDE in- terfaces. J21 is the primary IDE connector and J20 is the second- ary IDE connector. Refer to Table 2-36 for the pin definitions. Table 2-36. IDE Connectors Pin Definitions Number Function Reset IDE...
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SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual 2-26...
Chapter 3 Troubleshooting 3-1 Troubleshooting Procedures Use the following procedures to troubleshoot your system. have followed all of the procedures below and still need assistance, refer to the ‘Technical Support Procedures’ and/or ‘Returning Merchandise for Service’ section(s) in this chapter. No Video Use the following steps for troubleshooting your system configuration.
SUPER P5MMA98/P5MMS98/P5MMA2/P5MMS2 User’s Manual Install only the CPU, memory, and speaker Power Supply OK? Replace Power Supply Figure 3-1. Troubleshooting Flowchart Power Power LED on? 8 beeps Speaker Beeps? Motherboard Good Check memory, BIOS and CPU Speaker Beeps? Replace Motherboard...
NOTE If you are a system integrator, VAR or OEM, a POST diagnostics card is recommended for port 80h codes. Refer to Appendix D. Memory Error If you encounter memory error, follow the procedures below. Check to determine if SIMM/DIMM modules are improperly in- stalled.
(408) 895-2022, 24 hours a day, using 1200-14400 baud, 8 data bits, 1 stop bit and no parity. BIOS upgrades can also be downloaded from our web site at http://www.supermicro.com. If you still cannot get the problem resolved, have the following information ready before you call for technical support: •...