ENPC EP-PT11 Page 28 User Manual Download

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2. Installation

HCLK

83.3MHz

OFF

Reserve

OFF

Reserve

OFF

68.5MHz

OFF

55.0MHz

OFF

75.0MHz

OFF

60.0MHz

OFF

66.6MHz

3.3

CPUVCORE Jumper Settings (JP1)

Pin block JP1 is selects the CPU core voltage. Since this affects the
power supply to the CPU, it is important to be very careful when
setting this jumper, to avoid damaging the CPU. The various settings
are shown in the table in the next section.

(Default Setting)

EP-PT11 User's Manual

CPUVCORE

Summary of Contents for EP-PT11

Page 1: ...EP PT11 Motherboard for Pentium MMX User s Manual Order Number 41010004 October 1997 ...

Page 2: ...ON REGARDING THE ELECTROMAGNETIC COMPATIBILITY AND SAFETY THE FOLLOWING STANDARDS WERE APPLIED EN50081 1 1992 GENERIC EMISSION STANDARDS EN550022 1994 EMISSION EN60555 2 1987 HARMONICS EN60555 3 1987 VOLTAGE FLUCTUATIONS EN50082 1 1992 GENERIC IMMUNITY STANDARD IEC 801 2 1984 ELECTROSTATIC DISCHARGE IMMUNITY IEC 801 3 1984 RADIATED IMMUNITY IEC 801 4 1988 ELECTRICAL FAST TRANSIENT The manufacturer...

Page 3: ...EP PT11 Motherboard for Compatible PC User Manual Rev 1 4 Related Motherboard EP PT11 P C B Rev 1 4 Date October 1997 EP PT11 User s manual i ...

Page 4: ...f this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Re orient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit differen...

Page 5: ... Printer Port CON2 25 pin Female 2 5 4 Serial Ports COM1 COM2 9 pin Male Connector 2 5 5 AT ATX Power Supply Connectors 2 5 6 Floppy Drive Connector J12 34 pin block 2 5 7 Primary Secondary IDE connectors J9 J11 40 pin blocks 2 5 8 Front Panel Connector 2 5 9 CPU Cooling Fan Connector J7 FAN 2 5 10 IrDA Compliant Infrared Module Connector J3 Front IR J10 Rear IR 2 5 11 External Battery Connector J...

Page 6: ...ures of the motherboard what components and accessories should be included with it and describes the specifications of this product including a diagram of the motherboard layout Chapter 2 Installation This chapter shows how to install the motherboard and how to configure its various features and functions Chapter 3 CPU Settings This chapter contains all the technical information you need to set th...

Page 7: ...t flat cable with bracket x 1 Bracket with 25 pin serial port and PS 2 Mouse ribbon cable x 1 40 pin IDE connector flat cable x 1 34 pin floppy disk drive flat cable x 1 User s Manual x 1 Quick Setting Label x 1 Bus Master IDE Driver Diskette x 1 USB Connection Cable with bracket x 1 Optional IrDA Module Optional EP PT11 User s Manual 2 ...

Page 8: ... and PC97 System Memory 4 x 72 pin SIMM 2 x 168 pin DIMM Slots support up to 256MB The system supports mixed memory technologies Extended Data Out EDO Fast Page FP DRAM and Synchronous DRAM SDRAM On board Multi I O 1 x FDD Port support up to 2 88MB 1 x Parallel Port LPT support ECP EPP 2 x High Speed Serial 16550 UART Ports 2 x Universal Serial Bus USB Port 1 x AT Keyboard Port 1 x PS 2 Mouse Port...

Page 9: ...ster Slots 3 x 16 bit ISA Slots 2 x DIMM Connectors for SDRAM or EDO RAM Cache Onboard 512KB Pipeline Burst SRAM Cache Options Infrared IrDA Wireless Interface Kit Universal Serial Bus USB Connector Kit Dimensions 220mm x 250mm 8 7 x 10 Form Factor Baby AT Form Factor EP PT11 User s Manual 4 ...

Page 10: ...rcuits or sockets on the motherboard A cooling fan is strongly recommended when installing P54C P54CTB P55C K5 K6 6x86 or M2 CPU to avoid overheating The motherboard requires a minimum of 4MB of system memory and can support a maximum of 256MB The onboard L2 Cache comprises 256KB or 512KB of synchronous SRAM to increase system performance The motherboard supports standard Fast Page FP EDO Extended...

Page 11: ...M 4x72 pin SIMM sockets N HCLK frequency select DIP switch O Cache Memory Pipeline Burst SRAM P Floppy Connector Q PCI Bus Master IDE PIO Mode 3 4 DMA Mode 2 R Intel 430TX Chipsets S ZIF Socket 7 for CPU T CPU Type Selector U Frequency Ratio Selector V CPUVCORE Jumper W Flash BIOS 12v 5v select X Fan Connector Y Front IrDA TX RX Z Front Panel Connector AA Clear CMOS Jumper BB Award AMI BIOS with B...

Page 12: ... Installation Steps 1 Install SIMM and DIMM memory modules 2 Install the CPU 3 Install Expansion Card s 4 Install the External Connectors 5 Power On Procedures 6 Set jumpers for CPU type and speed EP PT11 User s Manual 7 ...

Page 13: ...memory modules Install memory in any or all of the banks an any combination as shown in the table below Item Bank Memory Module 1 DIMM 1 8 128MB 2 DIMM 1 2 8 128MB 3 DIMM 2 SIMM 3 4 8 128MB 4 DIMM 1 SIMM 1 2 8 128MB 4 32MB 5 SIMM 1 2 4 32MB 6 SIMM 3 4 4 32MB 7 SIMM 1 2 3 4 4 32MB NOTE You cannot mix two types FPM EDO or SDRAM or sizes of memory in a single bank After installing any memory modules ...

Page 14: ... outwards and rock the module back to a 45 degree angle then lift it out of the socket 6 This motherboard is optimized for SDRAM performance It supports the new generation Synchronous Dynamic Random Access Memory SDRAM and allows combined usage of SIMM and DIMM memory modules 2 4 Central Processing Unit CPU The motherboard provides a 321 pin ZIF Socket 7 The CPU should have a fan attached to it to...

Page 15: ... an assigned IRQ System IRQs are available to cards installed in the ISA expansion bus first and any remaining IRQs are then used by PCI cards Currently there are two types of ISA cards The original ISA expansion card design now referred to as Legacy ISA requires that you configure the card s jumpers manually and then install it in any available slot on the ISA bus You may use Microsoft s Diagnost...

Page 16: ...Q to any PCI slot which has a card that requires an IRQ To install a PCI card you need to set something called the INT interrupt assignment Since all the PCI slots on this motherboard use an INTA be sure that the jumpers on your PCI cards are set to INTA 2 4 2 1 Assigning DMA Channels for ISA Cards Some ISA cards both Legacy and PnP may also need to use a DMA Direct Memory Access channel DMA assig...

Page 17: ...cks can cause damage to your motherboard 2 5 1 Keyboard Connector and USB Port J16 5 pin Female and J13 8 pin Female USB Pinout 1 USBV0 2 USBV1 3 USBD0 4 USBD1 5 USBD0 6 USBD1 7 USBG0 8 USBG1 2 5 2 PS 2 Mouse Connector J18 If you are using a PS 2 mouse you must enable the PS 2 port in the BIOS Setup Pin 1 VCC 2 NC 3 NC 4 NC 5 MSDAT 6 NC 7 GND 8 MSCLK EP PT11 User s Manual 12 USB Port Pin 1 Keyboar...

Page 18: ...umber in the BIOS setup 2 5 4 Serial Ports COM1 COM2 9 pin Male Connector The two serial ports COM1 COM2 can be used for pointing devices or other serial devices See Onboard Serial Port in Chipset Features Setup in the BIOS setup software to configure EP PT11 User s Manual 13 COM2 Port Pin 1 Pin 1 COM1 Port Parallel Port ON2 Pin 1 ...

Page 19: ... Connector J12 34 pin block The motherboard provides a standard floppy disk FDD connector that supports 360K 720K 1 2M 1 44M and 2 88M floppy disk types You can attach a floppy disk cable directly to this connector 2 5 7 Primary Secondary IDE connectors J9 J11 40 pin blocks These connectors support the provided IDE hard disk ribbon cable After connecting the single end to the board connect the plu...

Page 20: ... CD ROM boot up see Boot Sequence in the BIOS Features Setup of the BIOS Software 2 5 8 Front Panel Connector 2 5 8 1 IDE Activity LED J1 pins 2 4 These pins connect to the IDE hard disk activity indicator light on the system cabinet 2 5 8 2 System Power LED J1 pins 9 11 13 This connector accepts both 2 pin and 3 pin plugs It lights the system power LED when the motherboard has power EP PT11 User ...

Page 21: ...ed green mode where system activity will be instantly decreased to save electricity and prolong the life of certain components when the system is not in use In this case the user must press and hold the Power Switch for a preset delay period to turn the system power off completely The delay and other Power Management parameters are determined in BIOS Setup This connection does not have a function ...

Page 22: ...e system power LED lights when the system is powered on 2 5 8 5 Reset Switch Lead J1 J pins 18 20 This 2 pin connector connects to the case mounted reset switch for rebooting your computer without having to turn off power switch This method of cold rebooting is preferred in order to prolong the life of the system s power supply EP PT11 User s Manual 17 J1 J1 Pin 17 pins 15 17 Keyboard Lock Pin 18 ...

Page 23: ...to go across the onboard heat sink s instead of the expansion slots Depending on the fan manufacturer the wiring and plug maybe different The red wire should be positive while the black should be ground Connect the fan s plug to the board taking into consideration the polarity of the connector As shown below pin 1 is positive and should be connected with the red wire NOTE The CPU and or motherboar...

Page 24: ...you must also configure UART2 to Use Infrared under Chipset Features in the BIOS Setup to select whether UART2 is directed for use with COM2 or IrDA When IrDA is selected in BIOS COM2 will be disabled Use the six pins as shown on the Back View and connect a ribbon cable from the module to the motherboard to the pin definitions Pin 6 NC 5 IRTX 4 GND 3 IRRXL 2 IRRXH 1 5V EP PT11 User s Manual 19 J3 ...

Page 25: ... only batteries rated at 4 5 6 0V 2 5 12 Clear CMOS Connector J6 Temporarily placing a jumper across pins 1 2 of this pin block will erase all user defined BIOS setings For regular use the jumper can be stored on pins 2 3 which is marked as NORMAL Be certain that system power is OFF before using this feature EP PT11 User s Manual 20 J6 CLEAR CMOS Pin 1 Pin 1 J4 EXT BATTERY ...

Page 26: ...ects Vpp for the Flash ROM By default it s set to 5V pins 1 2 Moving the jumper cap to pins 2 3 sets the Vpp to 12V If you change the ROM chips you should check the specifications to be sure you set the right value 12V 5V EP PT11 User s Manual 21 J19 Flash BIOS Vpp Pin 1 ...

Page 27: ...caps on the two pin pairs which are closest to the center of the motherboard For P54C K5 and M1 type CPUs set jumper caps on the two pin pairs which are closest to the edge of the motherboard P55C K6 M2 P54C K5 M1 3 2 External Clock Frequency SW1 SW1 is a DIP Dual Inline Package switch Switches 1 2 and 3 control the frequency of the external clock switch 4 is not used The settings are shown in the...

Page 28: ...0MHz OFF OFF OFF 66 6MHz 3 3 CPUVCORE Jumper Settings JP1 Pin block JP1 is selects the CPU core voltage Since this affects the power supply to the CPU it is important to be very careful when setting this jumper to avoid damaging the CPU The various settings are shown in the table in the next section Default Setting EP PT11 User s Manual 23 CPUVCORE ...

Page 29: ... 3v 3 4v 3 5v VID4 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF VID3 OFF OFF OFF ON ON ON ON ON ON ON ON VID2 ON ON ON OFF OFF OFF OFF ON ON ON ON VID1 OFF ON ON OFF OFF ON ON OFF OFF ON ON VID0 ON OFF ON OFF ON OFF ON OFF ON OFF ON 3 5 Frequency Ratio Settings JB1 AMD CYRIX INTEL BF0 BF1 BF2 1 75x 2 M1 2 5 M2 2 5 2 3 2 3 1 2 2 0x 3 3 1 2 2 3 1 2 1 5x 2 3 2 3 1 2 1 2 1 5x 3 M1 3 5 M2 1 5 P54C 3 5 P...

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