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Keyboard Connector

The   keyboard   connector   (CN1)   is   a   5-pin,   circular-type   DIN
socket.     It   is   used   to   connect   the   system   board   keyboard
interface to any standard AT-compatible keyboard. (84 or 101 -
key type keyboards).  The pin assignments are listed below:

Pin

Description

1

Keyboard Clock Signal

2

Keyboard Data Signal

3

Not Used

4

Ground

5

+5V Fused VDC

Reset Connector

The system RESET connector (RESET) is a 2-pin BERG strip.
It is used to connect the push button reset switch located on the
front panel to the system board.   System reset can be done by
shorting pin 1 to pin 2 with the same effect as turning the power
off and then on again.

Pin

Description

1

Ground

2

Reset Input

Summary of Contents for 486PH

Page 1: ...486PH 486 PCI VL ISA System Board USER S MANUAL Revision 1 00 486PH System Board User s Manual Page 1...

Page 2: ...ent is subject to change without notice This document contains information protected by copyright All rights are reserved No part of this document may be used or reproduced in any form or by any means...

Page 3: ...NS CPU JUMPERS CACHE MEMORY JUMPERS SYSTEM BOARD STANDARD JUMPERS CONNECTOR DESCRIPTIONS PC AT STANDARD CONNECTORS PERIPHERAL CONNECTORS CHAPTER 3 HARDWARE INSTALLATION BUILDING A HIGH PERFORMANCE SYS...

Page 4: ...UTILITY WINDOW SECURITY SETUP WINDOW DEFAULT SETUP WINDOW SYSTEM BOARD CONFIGURATION PROGRAMMING FLASH BIOS APPENDIX A KEYBOARD HOT KEYS APPENDIX B AMI BIOS HARD DISK TYPE APPENDIX C ISA I O ADDRESS...

Page 5: ...boosts system throughput for even the most demanding applications Features CPU Support Supports Intel AMD Cyrix CPUs Cache Memory Supports 128K 256K and 512K Fast External Write back Cache memory Syst...

Page 6: ...ng slots One is sharing slot Two 32 bit VL Bus Mastering slots Five ISA slots On Board IDE Port 32 bit PCI IDE supports Mode 3 Timing Support Logical Block Address to configure more than 528MB HDD Aut...

Page 7: ...e 5 current 150mA 12V Tolerance 10 current 100mA Environmental Operating temperature ambient O0 C 320 F to 550 C 1310 F Storage temperature 200 C 40 F to 700 C 1580 F Operating Humidity 10 to 90 non c...

Page 8: ...oard and to ensure proper operation caution should be taken when connecting these jumpers and connectors JUMPER DESCRIPTIONS Jumpers are used to select between various operating modes A jumper switch...

Page 9: ...trolle r BIO S Power Connectors Intel Aries S82425EX 1 1 ID E KLOC K HDLE D SPKR RESE T TURB O TBLE D 1 JP6 JP19 JP20 JP21 JP11 12C887A JP1 6 JP2 5 1 JP2 4 JP 2 JP1 JP1 0 1 JP1 2 JP8 JP9 JP3 1 JP2 3 1...

Page 10: ...t and 5 Volt CPUs no special jumper setting is required CPU Clock Frequency Selection Jumpers If you are installing an 486DX or 486SX CPU the internal CPU clock speed is the same as the external CPU c...

Page 11: ...Open Open Open 256KB Open Short Short Open 256KB Short Open Short Open 512KB Short Open Short Short Cache Installation Table Cache Size U23 U26 U29 U31 U24 U27 U30 U32 U13 U16 128KB 32Kx8 None 32Kx8...

Page 12: ...get into CMOS setup menu Function JP1 Normal Operation Default 1 2 Clear CMOS Data 2 3 Monitor Type Select Jumper This is PC AT compatible jumper to inform the system BIOS that the graphic card instal...

Page 13: ...Manufacturer Reserved Jumper The jumper setting show below are factory installed Manufacturer has reserved these jumpers No modification is allowed Jumper Setting JP3 1 2 JP14 1 2...

Page 14: ...next section To avoid damaging the board and to have proper operation caution should be taken when connecting these components Power supply connectors PS1 and PS2 Keyboard connector CN1 Reset connecto...

Page 15: ...r supplies have two six wire connectors two of the wires on each connector are black Align the two six wire connectors so that the two black wires on each connector are in the middle as shown below Pi...

Page 16: ...isted below Pin Description 1 Keyboard Clock Signal 2 Keyboard Data Signal 3 Not Used 4 Ground 5 5V Fused VDC Reset Connector The system RESET connector RESET is a 2 pin BERG strip It is used to conne...

Page 17: ...ff the keyboard and so provide limited security against casual intruders The pin assignments are indicated below Pin Description 1 Power LED 2 Key No Connection 3 Ground 4 Keyboard Lock 5 Ground Speak...

Page 18: ...nector TBLED is a 2 pin BERG strip It is used to connect a CPU operating frequency indicator LED from the front panel to the system board The pin assignments are indicated below Pin Description 1 LED...

Page 19: ...IDE Reset 4 Data 8 3 Data 7 6 Data 9 5 Data 6 8 Data 10 7 Data 5 10 Data 11 9 Data 4 12 Data 12 11 Data 3 14 Data 13 13 Data 2 16 Data 14 15 Data 1 18 Data 15 17 Data 0 20 No Connection 19 Ground 22...

Page 20: ...andard AT 230W power supply should be capable of providing a continuous power within a 4 75 VDC to 5 25 VDC range A power line filter may be needed for areas with noisy transmission 2 One or two flopp...

Page 21: ...socket up Place the Processor into the ZIF socket No force should be required to insert the CPU On the processor s pin 1 is with the square base and it goes to particular hole on the socket Match the...

Page 22: ...it with fan is not used INSTALLING DRAM SIMMS When working with DRAM SIMMs it is extremely important that you avoid Electrical Static Discharge ESD Always ground yourself by wearing a grounded wristba...

Page 23: ......

Page 24: ...H in a variety of ways as follows SIMM1 SIMM2 SIMM3 SIMM4 1Mx36 1Mx36 4Mx36 None None 1Mx36 1Mx36 4Mx36 1Mx36 4Mx36 None 1Mx36 1Mx36 4Mx36 1Mx36 4Mx36 1Mx36 4Mx36 2Mx36 None None None 2Mx36 2Mx36 8Mx3...

Page 25: ...he Pin 1 of the Hard drives Peripheral Add on Card installation The 486PH support both PCI slots and VESA VL bus slots You can install the corresponding add on cards into any of these slots Make sure...

Page 26: ...correct The BIOS detects this condition and prompts the user to go through the SETUP section This chapter explains how to use the BIOS SETUP program and make the appropriate entries Some of the param...

Page 27: ...ot Up Sequence Internal External Cache Memory Adapter Shadow Cacheable and many others Chipset Setup Sets chipse specific options and features Power Management Setup Control power conservation options...

Page 28: ...id disk drive types is displayed Select the correct type and press Enter Note that a hard drive will not work properly if you enter incorrect drive parameter If the hard disk drive is an IDE type sele...

Page 29: ...ves have 26 sectors per track ESDI drives have 34 sectors per track SCSI and IDE drive may have even more sectors per track Capacity The formatted capacity of the drive is Number Of heads x Number of...

Page 30: ...extended compatible keyboards have separate cursor control keys Therefore the default setting should be On to select Numeric value function for the numeric keypad Floppy Drive Seek at Boot This option...

Page 31: ...ion is chosen at Setup each time the system is turned on the prompt request for user password will appear If the Setup option is chosen at Setup the Password prompt will not appear when the system is...

Page 32: ...16K These options are to selectively shadow the ROM code on the add on cards that mapped into the corresponding memory address space into the respectively system DRAM address space for faster executi...

Page 33: ...Enabled if the controller can support this mode otherwise set it to Disabled The Optimal and Fail Safe settings are Disabled Set LBA Primary Controller Most of early IDE hard drives size are less than...

Page 34: ...motherboard controller to merge the data of consecutive CPU to PCI byte word writes within the same double word address into the posted write buffer location The merged collection of bytes then sent o...

Page 35: ...stop the operation of the system peripheral devices as well as system CPU when the system is in idle mode for a certain period of time This will save energy that is consumed by these devices Advanced...

Page 36: ...lue This option determines the time delay before the system goes into the power saving mode from the idle states The Optimal Fail Safe default setting when Advanced Power Management option is enabled...

Page 37: ...d correctly If this is the case you should enter the parameters of the hard drives manually Detect Slave Drive This option is to detect the parameter of the secondary drive Color Set This utility allo...

Page 38: ...tings for all devices and system features If onboard SCSI floppy controller I O controller are used in the system the Optimal default setting should be loaded to simplify the CMOS setup process Fail S...

Page 39: ...setup 3 In CMOS setup go to Advanced Setup to set the External Cache Memory to DISABLED 4 Save the setup and reboot the system to A or C drive 5 Run AMIFLASH COM Program from the Utility Diskette to l...

Page 40: ...ere are two available speeds as shown below Turbo speed Cache memory and 32 bit DRAM transfer mode are ON Set by pressing key once while holding Ctrl Alt and Shift keys Slow speed Cache memory and 32...

Page 41: ...MB 10 820 3 65535 820 17 20MB 11 855 5 65535 855 17 35MB 12 855 7 65535 855 17 50MB 13 306 8 128 319 17 20MB 14 733 7 65535 733 17 43MB 16 612 4 0 663 17 20MB 17 977 5 300 977 17 41MB 18 977 7 65535 9...

Page 42: ...2 2 128 612 17 10MB 35 1024 9 65535 1024 17 77MB 36 1024 8 512 1024 17 68MB 37 615 8 128 615 17 41MB 38 987 3 987 987 17 25MB 39 987 7 987 987 17 57MB 40 820 6 820 820 17 41MB 41 977 5 977 977 17 41MB...

Page 43: ...Fixed Disk Drive Adapter 200 207 Game I O 20C 20D Reserved 21F Reserved 278 27F Parallel Printer Port 2 2B0 2DF Alternate Enhanced Graphic Adapter 2E1 GPIB Adapter 0 2E2 2E3 Data Acquisition Adapter 0...

Page 44: ...er 1 790 793 Cluster Adapter 1 AE2 AE3 Data Acquisition Adapter 2 B90 B93 Cluster Adapter 2 EE2 EE3 Data Acquisition Adapter 3 1390 1393 Cluster Adapter 3 22E1 GPIB Adapter 1 2390 2393 Cluster Adapter...

Page 45: ...00 000CFFFF 32K I O ROM Not Cached 000D0000 000DFFFF 64K I O ROM Not Cached 000E0000 000EFFFF 64K Extended BIOS Not Cached 000F0000 000FFFFF 64K On Board BIOS ROM Cached 00100000 00BFFFFF System Memor...

Page 46: ...ard Controller IRQ2 Cascade Interrupts from IRQ8 to IRQ15 IRQ3 Serial Port 2 IRQ4 Serial Port 1 IRQ5 Parallel Port 2 IRQ6 Diskette Controller IRQ7 Parallel Port 1 IRQ8 Real Time Clock IRQ9 Expansion B...

Page 47: ..._____ Rev ___ Serial Number _________________________________________ CPU Processor Speed _____________Memory Size __________ BIOS Version ______ Software Driver Rel ________________ PCI Add on Cards...

Page 48: ...For More Information...

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