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 Introduction 1-1

Chapter 1

Introduction

The P55-KV

 mainboard is a high performance system hardware based on

Intel Pentium  processor and is equipped with two PCI slots, three standard
ISA slots, Super Multi-I/O controller and dual port PCI-IDE connectors for
the future expansion. The hardware dimension is 220mm x 190mm with a
four-layer-design technology.

Specification

VIA VT82C580VPX PCIset chipset.

Intel 

Pentium

  Processor, AMD K5 & Cyrix M1 operating at 

75 ~ 200 MHz

and 

P55C

 with 

321 ZIF socket 7

 and scalability to accept faster  Processors

in the future.

Supports  up to 128 MegaBytes of DRAM (a minimum of 4 MB) on board

(72 Pins SIMM x 2).  BIOS will autometically detect and configure FP DRAM
and EDO DRAM (Refer to Chapter  2-4 System Memory Configuration).

Supports Onboard Pipelined Burst (synchronous) L2 

Write Back

 Cache.

The cache memory combination can be 256KB/512KB (32KB*32, 64KB*32
SRAM, respectively).

Supports three 16 bit ISA slots, two 32 bit PCI slots, and provides two

independent high performance PCI IDE interfaces capable of supporting

PIO Mode 3 and Mode 4

 devices. The 

P55-KV

 supports two PCI Bus

Masters and a jumperless PCI INT# control scheme which reduces configu-
ration confusion  when plugging in PCI I/O controller card(s).

Supports 

ATAPI

 (e.g. 

CD-ROM

) devices on both IDE interfaces.

         Supports 1 floppy port, 1 parallel port (EPP,ECP port), and 2 serial ports

(16550 Fast UART compatible).

 

     Supports a 

PS/2

 style mouse and standard AT style keyboard connectors.

      Supports Award Plug & Play BIOS . The BIOS is stored in Flash EPROM

form. It provides better upgradeability for the system.

       Supports CPU Hardware sleep and SMM (System Management Mode).

P55-KV

 utilizes Lithium battery which provides environmental protection

and longer battery life.

R

R

Summary of Contents for P55-KV

Page 1: ...ard Pipelined Burst synchronous L2 Write Back Cache Thecachememorycombinationcanbe256KB 512KB 32KB 32 64KB 32 SRAM respectively Supports three 16 bit ISA slots two 32 bit PCI slots and provides two independent high performance PCI IDE interfaces capable of supporting PIO Mode 3 and Mode 4devices The P55 KV supports two PCI Bus Masters and a jumperless PCI INT control scheme which reduces configu r...

Page 2: ...wer Conn PRINTER COM2 P55 KV Layout COM1 SIMM 1 SIMM 2 Primary IDE Secondary IDE FDD CONN J1 Socket 7 J2 J6 J5 J4 J8 J7 J9 KEY LOCK SPEAKER RESET SLEEP TB LED HD LED G LED J10 J11 Figure 1 1 W83877 82C587 82C587 32K 32 32K 32 82C586A 82C585VPX J3 ...

Page 3: ...void damaging any circuits or sockets on board A cooling fan is strongly recommended when installing P54C P54CTB P55C K5 6x86 processor due to possible overheat TheP55 KV supports a minimum of 4MB of System Memory and a maximum of 128MB while L2 Cache can be 256KB 512KB synchronous SRAM Onboard to increase system performance Refer to Page2 6CacheMemoryConfigurationfor the details The P55 KV suppor...

Page 4: ...er Saving LED indicator LED ON when system is in any saving mode Reset Switch Closed to restart system Speaker connects to the system s speaker for beeping KeyLock Keyboard lock switch Power LED connector Sleep Resume switch Closed to enter sleep mode A keystrobe or mouse movement will instantly wake up Turbo LED indicator LED ON when higher speed is selected IDE LED indicator LED ON when Onboard ...

Page 5: ... 2 3 J6 EPROMBIOSSelection 1 2 5V Flash EPROM Default 2 3 12V Flash EPROM 1 5 J1 PS 2MOUSECONNECTOR 1 RED wire 2 BLUE wire 3 GREEN wire 4 NC 5 YELLOW wire 1 3 1 5 1 VCC 2 NC 3 IRRX 4 GND 5 IRTX J10 IrDA ASKIRCONNECTOR ...

Page 6: ... Reserved 6x86 L PR200 ON ON OFF OFF OFF OFF ON ON OFF OFF OFF OFF OFF ON OFF Cyrix IBM 6x86 L MX Installation 1 3 J2 CPUVcorevoltageselection ForPentiumProcessorwith MMX technology AMD K6 Cyrix 6x86L 6x86MX 2 3 2 8VForPentiumMMX Cyrix6x86L Default 1 2 2 9VForK6 PR166 200 Cyrix6x86MX Open 3 2V Reserved J3 CPUSelection 1 2 PentiumProcessor AMDK5 Cyrix6x86 2 3 Pentium Processor with MMX technology A...

Page 7: ...V mainboard one of the two types of cooling fans Model NO 20750 is a normal standard fan heatsink Model NO 20832 is a 90 degree rotated fan must be selected correctly to match the regulator heatsink direction The P55 KV requires the use of Model NO 20832 Customer should request a NMB B50 fan Please Contact the Cyrix CPU suppliers for the details Note 2 If the Cyrix 6x86L P200 is installed on the P...

Page 8: ...inboard to increase the system performance The P55 KV supports two types of combinations for the cache installation Please refer to the following configurations for the details U34 U37 U41 SYN CACHE On Board 256KB 32K 32 x 2 512KB 64K 32 x 2 Size U7 U9 32K 32 32K 32 U9 U7 DATA SRAM TAG SRAM U13 ...

Page 9: ...ou must specify the interrupt used by ISA add in cards in the BIOS Setup utility However if a Legacy card such as plug paddle card and cable into the ISA slot ispluggedinthesystem thefollowingmodificationsintheROMSETUPUTILITY becomenecessary First youmustenter PCICONFIGURATIONSETUPutilityfrom ROMSETUPUTILITYmainmenutosetthe PCIIDEIRQMAPTO ISA Then youmustenterCHIPSETFEATURESSETUPUTILITYfromROMSETU...

Page 10: ...ITY ROMPCI ISABIOS 2A5LDPAD CMOSSETUPUTILITY AWARDSOFTWARE INC STANDARD CMOS SETUP SUPERVISOR PASSWORD BIOS FEATURES SETUP USER PASSWORD CHIPSET FEATURES SETUP IDE HDD AUTO DETECTION POWER MANAGEMENT SETUP HDD LOW LEVEL FORMAT PNP PCI CONFIGURATION SAVE EXIT SETUP INTEGRATED PERIPHERALS EXIT WITHOUT SAVING LOAD SETUP DEFAULTS ESC QUIT SELECT ITEM F10 Save Exit Setup Shift F2 Change Color Time Date...

Page 11: ...g F1 key to display help message of the selected item This setup program also provides 2 convinent ways to load the default parameter data from BIOS F6 or CMOS F7 area if shown data is corrupted This provides the system a capability to recover from any possible error 3 2 BIOS FEATURES SETUP NOTE The Halt On field is to determine when to halt the system by the BIOS if error occurrs NOTE If hard dis...

Page 12: ...atically when the system boots up causing a warning message to appear when any attempt to access the boot sector or hard disk partition table Disabled No warning message to appear when any attempt to access the boot sector or hard disk partition table ROM PCI ISA BIOS 2A5LDPAD BIOS FEATURES SETUP AWARD SOFTWARE INC Esc Quit Select Item F1 Help PU PD Modify F5 Old Values Shift F2 Color F7 Load Setu...

Page 13: ...disk drive installed is 40 or 80 tracks Only 360K type is 40 tracks while 760K 1 2M and 1 44M are all 80 tracks The default value is Enabled Enabled BIOS searches for floppy disk drive to determine if it is 40 or 80 tracks Note that BIOS cannot tell from 720K 1 2M or 1 44M drive type as they are all80tracks Disabled BIOS will not search for the type of floppy disk drive by track number Note that t...

Page 14: ...to the system and Setup or just to Setup The default value is Setup System The system will not boot and the access to Setup will be denied if the correct password is not entered at the prompt Setup The system will boot but the access to Setup will be denied if the correct password is not entered at the prompt PCI VGA Palette Snoop This filed controls the ability of a primary PCI VGA controller to ...

Page 15: ...r unit and the size depends on chipset Enabled Optional shadow is enabled Disabled Optional shadow is disabled Auto Configuration 70 ns Video BIOS Cacheable Enabled System BIOS Cacheable Disabled Memory Hole At 15Mb Addr Disabled Sustained 3T Write Disabled PBSRAM 3 1 1 1 Read Pipeline Enabled Write Pipeline Enabled DRAM Timing Control Auto Reduce DRAM leadoff cycle Disabled Esc Quit Select Item F...

Page 16: ...for 70ns Fast Page Mode EDO DRAM Video BIOS Cacheable The default value is Enabled Enabled Enabled the Video BIOS Cacheable to speed up the VGA Performance Disabled Disabled the Video BIOS Cacheable function Memory Hole at 15M 16M The default value is Disabled Disabled Normal Setting Enabled This field enableds the main memory 15 16MB remap to ISA BUS ...

Page 17: ...ns Non GREEN and the Power Management function is disabled Max saving This mode will maximize the power saving capability Min saving This mode will minimize the power saving capability Userdefine Allowusertodefinetimeoutparameterstocontrolpowersavingmode Refer to item B shown below Esc Quit Select Item F1 Help PU PD Modify F5 Old Values Shift F2 Color F7 Load Setup Defaults Power Management User D...

Page 18: ...ardware suspend function is supported when the J11 SLEEP Refer to Figure1 1 is closed to enter the Suspend function The detailed description of these functions is provided in the next page HDD Standby Mode When system stop reading or wiriting HDD the timer starts to count The system will cut off the HDD power when timer runs out of time The system will not resume operation until either a read from...

Page 19: ... can t pick out the rescouces ROM PCI ISA BIOS 2A5LDPAD PNP PCI CONFIGURATION AWARD SOFTWARE INC Figure 3 6 PCI CONFIGURATION SETUP ESC Quit Select Item F1 Help PU PD Modify F5 No Change Shift F2 Color F7 Load Setup Defaults Resources Controlled By Manual CPU to PCI Write Buffer Enabled Reset Configuration Data Disabled PCI Dynamic Bursting Enabled PCI Master 0 WS Write Enabled IRQ 3 assigned to L...

Page 20: ... You can set this field to Enable and to clear ESCD at one time when some Legacy cards are removed PCI IDE IRQ Map To The default value is PCI AUTO When you have true PCI card s plugged into the system you will not need to change any thing here in the SETUP program However if you do not know whether you have true PCI card or not please refer to your PCI card user s manual for the details When you ...

Page 21: ...es 45 cm Onboard Primary PCI IDE The default value is Enabled Enabled Enable Onboard 1st channel IDE port Disabled Disable Onboard 1st channel IDE port When use On card PCI or ISA card IDE connector Onboard Secondary PCI IDE The default value is Enabled Enabled Enable Onboard 2nd channel IDE port Disabled Disable Onboard 2nd channel IDE port When use On card PCI or ISA card IDE connector 3 6 INTEG...

Page 22: ...d address is 2F8H IRQ3 COM3 Enable Onboard Serial port 1 and address is 3E8H IRQ4 COM4 Enable Onboard Serial port 1 and address is 2E8H IRQ3 Disabled Disable Onboard SMC CHIP s Serial port 1 IDE Secondary Master PIO The default value is Auto Auto BIOS will automatically detect the Onboard Secondary Master PCI IDE HDD Accessing mode Mode0 4 Manually set the IDE Accessing mode IDE Primary Slave PIO ...

Page 23: ...d allows the user to sellect the parallel port mode The default value is ECP EPP Normal Standard mode IBM PC AT Compatible bidirectional parallel port EPP Enhanced Parallel Port mode ECP ExtendedCapabilityPortmode EPP ECP ECP Mode EPP Mode ECP Mode USE DMA This field allows the user to sellect DMA1 or DMA3 for the ECP mode The default value is DMA3 DMA1 The filed selects the rounting of DMA1 for t...

Page 24: ... the SETUP UTILITY will display a message and ask for a confirmation Confirm Password 3 Afterpressingthe Enter key ROMpasswordiftheoptionwasnotused orcurrent password user defined password the user can change the password and store new one in CMOS RAM A maximum of 8 characters can be entered 3 8 CHANGE SUPERVISOR or USER PASSWORD ROMPCI ISABIOS 2A5LDPAD CMOSSETUPUTILITY AWARDSOFTWARE INC Load SETU...

Page 25: ...SIZE CYLS HEADS PRECOMP LANDZONE SECTORS MODE Primary Master 343 665 16 65535 664 63 NORMAL Primary Slave Secondary Master Secondary Slave Select Secondary Slave Option N Skip N OPTIONS SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE 1 Y 0 0 0 0 0 0 NORMAL ESC Skip NOTE HDD Modes The Award BIOS supports 3 HDD modes NORMAL LBA LARGE NORMAL mode Generic access mode in which neither the BIOS nor the IDE con...

Page 26: ... no Sector 63 x bytes per secttor 512 8 4 Gigabytes LARGE mode Extended HDD access mode supported by Award Software Some IDE HDDs contain more than 1024 cylinder without LBA support in some cases user does not want LBA The Award BIOS provides another alternative to support these kinds of LARGE mode CYLS HEADS SECTOR MODE 1120 16 59 NORMAL 560 32 59 LARGE BIOS tricks DOS or other OS that the number...

Page 27: ...electtheinterleavenumberoftheharddiskdrivethatyouwishtoperformalow levelformaton Youmayselectfrom1to8 Checkthedocumentationthat camewiththedriveforthecorrectinterleavenumber orselect0forautomatic d e t e c t i o n Auto scan bad track This allows the utility to scan first then format by each track Start Press Y to start low level format 3 11 SAVE EXIT SETUP 3 12 EXIT WITHOUT SAVING The SAVE EXIT SE...

Page 28: ...F 4K Plug and Play ESCD data area FE000 FFFFF 8K BIOS runtime service routine 1 000 01F DMA controller Master 020 021 INTERRUPT CONTROLLER Master 022 023 CHIPSET control registers I O ports 040 05F TIMER control registers 060 06F KEYBOARD interface controller 8042 070 07F RTC ports CMOS I O ports 080 09F DMA register 0A0 0BF INTERRUPT controller Slave 0C0 0DF DMA controller Slave 0F0 0FF MATH COPR...

Page 29: ...ult DMA Channel 4 Cascade for DMA controller 1 DMA Channel 5 Available DMA Channel 6 Available DMA Channel 7 Available 4 3 INTERRUPT MAP NMI Parity check error IRQ H W 0 System TIMER interrupt from TIMER 0 1 KEYBOARD output buffer full 2 Cascade for IRQ 8 15 3 SERIAL port 2 4 SERIAL port 1 5 PARALLEL port 2 6 FLOPPY DISK SMC CHIP 7 PARALLEL port 1 8 RTC clock 9 Available 10 Available 11 Available ...

Page 30: ...atus register D 0E Diagnostic status byte 0F Shutdown byte 10 FLOPPY DISK drive type byte 11 Reserve 12 HARD DISK type byte 13 Reserve 14 Equipment type 15 Base memory low byte 16 Base memory high byte 17 Extension memory low byte 18 Extension memory high byte 19 2d 2E 2F 30 Reserved for ectension memory low bytw 31 Reserved for extension memory high byte 32 DATE CENTURY byte 33 INFORMATION FLAG 3...

Page 31: ... CMOS s basic R W functionality Auto detection of onboard DRAM Cache Copy the BIOS from ROM into E0000 FFFFF shadow RAM so that POST will go faster Test the first 256K DRAM OEM specific cache initialization if needed 1 Initialize the first 32 interrupt vectors with corresponding Interrupt handlers Initialize INT no from 33 120 with Dummy Suprious Interrupt Handler 2 Issue CPUID instruction to iden...

Page 32: ...und 2 Show messages including Award Logo Copyright string BIOS Data code Part No OEM specific sign on messages Energy Star Logo Green BIOS ONLY CPU brand type speed Test system BIOS checksum Non Compress Version only DMA channel 0 test DMA channel 1 test DMA page registers test Reserved Test 8254 Timer 0 Counter 2 Test 8259 interrupt mask bits for channel 1 Test 8259 interrupt mask bits for channe...

Page 33: ...y the cache is turn on later in POST 61h Reserved 1 Program the rest of the Chipset s value according to Setup Later Setup Value Program 2 If auto configuration is enabled programmed the chipset with pre defined Values Initialize floppy disk drive controller Initialize Hard drive controller If it is a PnP BIOS initialize serial parallel ports Reserved Initialize math coprocessor Reserved If there ...

Page 34: ...into a timer tick value Setup Virus Protection Boot Sector Protection functionality according to Setup setting 1 Try to turn on Level 2 cache Note if L2 cache is already turned on in POST 3D this part will be skipped 2 Set the boot up speed according to Setup setting 3 Last chance for Chipset initialization 4 Last chance for Power Management initialization Green BIOS only 5 Show the system configu...

Page 35: ...1 14 13 26 Signal Name Pin Pin Signal Name Signal Name Pin Pin Signal Name DCD SIN SOUT DTR GND 1 6 DSR 2 7 RTS 3 8 CTS 4 9 RI 5 10 N C 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 PE SLCT 1 14 AUTO FEED 2 15 ERROR 3 16 INIT 4 17 SLCT IN 5 18 Ground 6 19 Ground 7 20 Ground 8 21 Ground 9 22 Ground 10 23 Ground 11 24 Ground 12 25 Ground 13 2...

Page 36: ...DIR 19 20 STEP 21 22 Write Data 23 24 Write Gate 25 26 Track 00 27 28 Write Protect 29 30 Read Data 31 32 SIDE 1 SELECT 33 34 Diskette Reset IDE Host Data 7 Host Data 6 Host Data 5 Host Data 4 Host Data 3 Host Data 2 Host Data 1 Host Data 0 Ground DRQ3 I O Write I O Read IOCHRDY DACK3 IRQ14 Addr 1 Addr 0 Chip Select 0 Activity 1 2 Ground 3 4 Host Data 8 5 6 Host Data 9 7 8 Host Data 10 9 10 Host D...

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