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P5HX-A

User’s Manual 1-19

Connector

Function

J18

CPU Fan Power

+ 1 2 V

  

  1

  

2

  

  3

    G N D

J19

Fast IR Header (Optional)

 1

 2

 3

 4

 5

 6

 7

  IRRX       GND            IRR3           GND

 GND           VCC           VCC

J20

IR Header (Intel)

 1

 2

 3

 4

 5

  VCC          IRRX          IRTX

 NC              GND

J21

ATX Power ON/OFF Switch

PS1

AT Power Supply Connector

PS2

ATX Power Supply Connector

 

Table 2 -6.  Connectors

Summary of Contents for P5HX-A

Page 1: ...tion Mainboard Description Processor Expansion Slots Chipset PS 2 Mouse Keyboard Set System BIOS Serial Parallel Ports L2 On board Cache PCI IDE Connectors L2 Cache Module FDD Connector SIMM System Me...

Page 2: ...t SRAM 256 512 KB On board cache 256KB 512KB 5 L2 Cache Module An optional ECS M161 or later version of upgrade cache module can be inserted to expand the cache memory size to 256KB or 512KB An OASt 2...

Page 3: ...P5HX A User s Manual 3 3 Provide the connectors for standard PC power supply or ATX power supply...

Page 4: ...om CD ROM q Cache Support the CPU internal first level L1 cache and external secondary level L2 cache 16KB Level 1 Cache Pentium Data Cache support 8KB Write Through and Write Back policy Code Cache s...

Page 5: ...ry writes to PCI Burst writes q FDD Two floppy support 360KB 720KB 1 2MB 1 44MB 2 88MB and 3 Mode floppy drives q RTC Use Dallas 12B887 compatible RTC module Internal 128 byte of CMOS RAM q IDE Build...

Page 6: ...P5HX A User s Manual 3 6 The diagram above displays the location of SIMM Sockets Pipelined Burst SRAM and L2 Cache module on P5HX A motherboard Cache Memory System Memory...

Page 7: ...MB 64MB 136MB 8MB 8MB 8MB 8MB 32MB 8MB 8MB 16MB 16MB 48MB 8MB 8MB 32MB 32MB 80MB 8MB 8MB 64MBP 64MBP 144MB Continued SIMM P5HX A provides tremendous flexibility DRAM configurations It accepts a maximu...

Page 8: ...s Data Cache and Code Cache 1 Data Cache supports 8KB Write Through and Write Back policy 2 Code Cache supports 8KB Write Through policy Level 2 Cache L2 Cache On board Cache Module Total Memory Size...

Page 9: ...2 short 1 2 short 2 3 150 60 short 3 4 2 5 short 2 3 short 2 3 166 66 short 1 2 2 5 short 2 3 short 2 3 200 66 short 1 2 3 short 2 3 short 1 2 Table 2 1 Host Clock CPU type and Speed Settings P Cyrix...

Page 10: ...t 7 8 Table 2 2 CPU Voltage Settings P If you have split power plane CPU There are different Voltage between CPU Core and I O Please check CPU vendor or us in order to decide core voltage value of JP1...

Page 11: ...To clear CMOS Data please open your computer chassis short JP11 power on your system carefully power off your system close your computer chassis and then CMOS data will be cleared Normal default JP11...

Page 12: ...mode Please connect the CPU cooling fan to J18 and enable PU Fan Power Green function in BIOS ower Management Setup in order to make it work Green Function Indicator Connect the LED to J8 The LED blin...

Page 13: ...t used CPU 1 Intel Pentium 75MHz CPU 50MHz Host Clock installed on board 2 Intel Pentium 90MHz CPU 60MHz Host Clock installed on board 3 Intel Pentium 100MHz CPU 66MHz Host Clock installed on board 4...

Page 14: ...installed on board 6 Intel Pentium 150MHz CPU 60MHz Host Clock installed on board 7 Intel Pentium 166MHz CPU 66MHz Host Clock installed on board 8 Intel Pentium 200MHz CPU 66MHz Host Clock installed...

Page 15: ...P55C 200MHz CPU 66MHz Host Clock installed on board 11 Cyrix 6X86 100MHz CPU 50MHz Host Clock installed on board 12 Cyrix 6X86 110MHz CPU 55MHz Host Clock installed on board 13 Cyrix 6X86 120MHz CPU 6...

Page 16: ...P5HX A User s Manual 3 16 14 Cyrix 6X86 133MHz CPU 66MHz Host Clock installed on board CPU Voltage Selection...

Page 17: ...P5HX A User s Manual 1 17...

Page 18: ...the mainboard layout figure on the next page for their positions Connector Function J1 PS 2 Keyboard Connector J3 PS 2 Mouse Connector J4 COM1 Port J5 COM2 Port J6 Parallel Port J8 Green Function Indi...

Page 19: ...Power 12V 1 2 3 G N D J19 Fast IR Header Optional 1 2 3 4 5 6 7 IRRX GND IRR3 GND GND VCC VCC J20 IR Header Intel 1 2 3 4 5 VCC IRRX IRTX NC GND J21 ATX Power ON OFF Switch PS1 AT Power Supply Connec...

Page 20: ...P5HX A User s Manual 1 20 Board Layout Figure 2 1 P5HX A Mainboard Layout...

Page 21: ...NAGEMENT SETUP IDE HDD AUTO DETECTION PNP PCI CONFIGURATION SAVE EXIT SETUP LOAD BIOS DEFAULTS EXIT WITHOUT SAVING LOAD SETUP DEFAULTS Esc Quit Select Item F10 Save Exit Setup Shift F2 Change Color Ti...

Page 22: ...Users can change the current password stored in the CMOS by accessing this option q USER PASSWORD Password is required when booting your system and entering to change only the USER PASSWORD Users can...

Page 23: ...tandard hard disk drives installed Relevant specifications include the type number of cylinders CYLS heads HEAD write pre compensation time PRECOMP read write head landing zone LANDZ number of sectors...

Page 24: ...CI VGA Palette Snoop Disabled ESC Quit Select Item F1 Help PU PD Modify F5 Old Values Shift F2 Color F6 Load BIOS Defaults F7 Load Setup Defaults Figure 3 3 BIOS Features Setup Screen Virus Warning Al...

Page 25: ...ended memory The available options are Fast default Normal Security Option Determines if the password will be asked for every boot System or when entering into the SETUP program Setup default Refer to...

Page 26: ...Parity F6 Load BIOS Defaults F7 Load Setup Defaults Figure 3 4 Chipset Features Setup Screen Auto Configuration The default values of this options is nabled default When enabled this options is for th...

Page 27: ...divide by 4 or 3 depending on PCI bus clock Users can refer to the formula for clear figure ISA Clock PCI Clock 3 or ISA Clock PCI Clock 4 The available options are PCICLK 4 default PCICLK 3 Turbo Re...

Page 28: ...hod The available options are Parity default ECC Memory Parity ECC Check Determines the memory check function nabled or isabled and the function can enable only under the DRAM with parity bit support...

Page 29: ...U PD Modify F5 Old Values Shift F2 Color F6 Load BIOS Defaults F7 Load Setup Defaults Figure 3 5 Power Management Setup Screen Power Saving Mode Allows users to determine how often the Power Saving ac...

Page 30: ...8 12 Wake Up Event Sets the wake up event to N or FF when system enters the suspend mode Power Down Resume Events Power Down Activities The manual also lists the Power Management SETUP PM events by wh...

Page 31: ...on the screen Reset Configuration Data Clears the data in ESCD area Extended System Configuration The available options are Enabled default Disabled IRQ 3 IRQ 4 IRQ 5 IRQ 7 IRQ 9 IRQ 10 IRQ 11 IRQ 12...

Page 32: ...e SETUP program according to the installed equipments i e floppy drives A B hard disk drives C D Load BIOS Defaults In the event of a loss in memory on the configuration SETUP the user can restore the...

Page 33: ...aults Figure 3 7 PNP CONFIGURATION SETUP Screen IDE HDD Block Mode Determines the block transfer mode will be used or not The available options are Enabled default Disabled PCI Slot IDE 2nd Channel En...

Page 34: ...options are Half default Full Onboard Parallel Port Sets the I O address for the parallel port The available options are 378H IRQ7 default Disabled If users set this option to isabled the nboard Para...

Page 35: ...able the USER PASSWORD press the F1 as the program asks you to enter the new password IDE HDD Auto Detection The IDE HDD Auto Detection provides auto configuration of the hard drive installed in the s...

Page 36: ...lation Esc Skip Figure 3 8 IDE HDD Auto Detection Screen Once the program detects the type of hard disk installed it will display the relative information such as the type cylinders heads write pre co...

Page 37: ...P5HX A User s Manual 1 37...

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