Tyan Computer S1471 User Manual
Revision 1.0
TYAN S1471
Pentium Class 75 thru 200MHz
430VX PCI-ISA System Board
User's Manual
Table Of Contents
1. Introduction.......................................................................3
1.1 Overview................................................................3
1.2 Hardware Specifications..........................................4
1.3 Software Specifications.......................................... 5
1.4 Environment........................................................... 5
2. Board Installation..............................................................6
2.1 Unpacking.............................................................. 6
2.2 Installation.............................................................. 6
3. S1471 On Board Resource Settings................................. 7
3.1 S1471 Board Layout & Jumper Locations................ 7
3.2 Quick Reference for Jumpers.................................. 8
3.3 CMOS RTC............................................................12
3.4 Speaker Connector..................................................12
3.5 Turbo Switch.......................................................... 12
3.6 Turbo LED Connect................................................12
3.7 Reset Connector..................................................... 13
3.8 Flash EPROM Jumpers.......................................... 13
3.9 DRAM Installation..................................................14
3.10 CPU Installation....................................................15
3.11 Cache Upgrade................................................... 16
3.12 Peripheral Device Installation................................16
3.13 Connecting The Power Supply............................. 17
4. BIOS Configuration........................................................19
4.1 Entering Setup....................................................... 19
4.2 Control Keys......................................................... 20
4.3 Getting Help...........................................................21
4.4 The Main Menu......................................................21
4.5 Standard CMOS Setup Menu...................................23
4.6 BIOS Features Setup.............................................. 26
4.7 Chipset Features Setup............................................29
4.7.1 Power Management Setup........................30
4.8 PCI Slot Configuration............................................ 32
4.9 Integrated Peripherals............................................. 34
4.10 Load Setup Defaults.............................................. 35
4.11 Password Setting ..................................................35
4.12 IDE HDD Auto Detection.....................................37
4.13 Save & Exit Setup.................................................37
5. Flash Writer Utility.........................................................38
5.1 The Flash Memory Writer Utility Screen.................40
6. System Resources.............................................................41
6.1 Timer & DMA Channel Map....................................41
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1. Introduction
1.1 Overview
The S1471 is a quality, high performance mainboard designed forl Intel
Pentium microprocessors. This mainboard utilizes the Intel 430VX chipset
and can support CPU speeds of 75MHz through 200MHz. S1470 will
also support the CyrixM1/6x86 CPU's and the Intel multimedia Pentium
P55C which utilizes MMX commands.
The S1471's PCI Local Bus provides high performance capabilities that
are ideal for a wide range of demanding applications such as: CAD,
CAM, CAE, networking, multi-user environments, database management,
desktop publishing, image processing and 3D animation.
This integrated system board achieves high reliability with numerous
features and yet is small enough to be supported in a "Baby-AT" formfactor. Some of the features included are: on-board dual channel PCI
PIO and DMA IDE, on-board floppy controller, on-board high speed I/O,
and support for pipeline-burst SRAM.
Flexibility and expandibility have been designed into the S1471. With I/O
and drive controller support built on-board, the five PCI and four ISA
(One ISA and one PCI as a shared slot) slots are free for numerous addon expansion cards.
Remember to take a look at Tyan Computers web site located at
http://www.tyan.com. Here you can find information on all of Tyan's
products along with FAQ's, distributors list, drivers and CMOS setting
explanations. If you have a tech support question please contact us at
www.tyan.com.
Notice
This board uses the Intel 430VX chipset. According to Intel , the USB
function in this chipset is not guaranteed. Compatibility tests cannot be
conducted for USB at this time due to no availability of such devices
and drives. Please log on to the Tyan web page for the latest infomation.
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1.2 Hardware Specifications/Features
wCPU Intel Pentium 75 MHz thru 200 MHz (Socket 7)
Intel Pentium P55C
Cyrix/IBM/SGS M1/6x86 P120, P150 & P166
wSpeed 50/60/66 MHz system bus
25/30/33 MHz PCI bus
7.5/8.33 MHz ISA bus speed
wDRAM 2 banks of 72 pin SIMM and 2 DIMM Banks
Supports 5V or 3.3V memory
Supports EDO(Exended Data Out) DRAMs
Supports SDRAM(Synchronous DRAM)
Supports Fast Page Mode DRAMs
Supports 8MB to 128MB of DRAMs
wL2 Cache 16KB cache memory included in Pentium
256/512KB on board 2nd level cache memory
Supports synchronous pipeline-burst
wEIDE Controller Primary and secondary PCI EIDE channels on
board for support of up to four EIDE Mode 0
through Mode 4 drives.
Supports DMA(Bus Master) mode 1 and 2.
( Bus Master driver on web at www.tyan.com)
wEnhanced I/O Multi-mode bi-directional parallel port that
supports standard, EPP and ECP modes.
Supports 16550 compatible Uarts for on-board
high speed serial ports.
Support for an IrDA compliant Infra Red interface.
On-board floppy controller
Support for On-board Universal Serial Port
wI/O Bus Slots 5 Master/Slave PCI-Bus
4 ISA Bus one ISA and one PCI slot is shared
for a total of 8 slots.
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wMouse On-board PS/2 mouse connector.
1.3 Software Specifications
wBIOS Award or AMI BIOS
AT CMOS setup, BIOS/CHIPSET setup,
and hard disk utility included.
Support for easy BIOS upgrades with flash
EPROM chip.
wO.S. Operates with MS-DOS, Windows 3.x, Windows
for Work Group 3.x, Windows 95, Windows NT
OS/2, Novell Netware, and SCO Unix.
1.3 Environment
Ambient Temperature 0 to +50 C (operating)
Relative Humidity 0 to +85% (operating)
Altitude 0 to 10,000 feet (operating)
Vibration 0 to 1,000 Hz
Voltage 4.9 to 5.2 V
Information presented in this publication has been carefully checked for
reliability; however, no responsibility is assumed for inaccuracies. The
information contained in this document is subject to change without
notice.
Trademarks
Award BIOS/Flash are trademarks of Award Software International Inc.
AMI BIOS is a trademarks of American Megatrends Inc.
IBM,PC,AT,PS/2 are trademarks of IBM Corporation
INTEL,Pentium are trademarks of Intel Corporation.
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2. Board Installation
2.1 Unpacking
The mainboard package should contain the following:
wS1471 Mainboard
wOne IDE 40 pin cables
wTwo serial cables
wwOne parallel cable
wOne 34 pin floppy cable
wUser's Manual
The mainboard contains sensitive electric components which can be easily
damaged by static electricity, so the mainboard should be left in its original
packaging until it is ready to be installed.
With the power supply pluged in and turned off touch an unpainted area of
the system chassis imedietly before handling the mainboard or any component. Doing so discharges the static charge your body may have built.
After opening the mainboard carton, extract the system board holding it by
its edges ,and place it only on a grounded anti-static surface, component
side up. Inspect the board for damage. Press down on all of the socket IC's
to make sure that they are properly seated. Do this only with the board
placed on an anti-static mat. Do not touch the bottom of the board.
DO NOT APPLY POWER TO THE BOARD IF IT HAS BEEN
DAMAGED!
2.2 Installation
You are now ready to install your mainboard. The mounting hole pattern of
the S1471 matches the "Baby AT" system board spec. It is assumed that
the chassis is for a standard IBM XT/AT form factor.
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3. On Board Resource Setting
Figure 3.1 S1471 Board Layout
KB CTR
J19
J18
pin 1
Con 10
PCI Slot 4
PCI Slot 5
82437VX
ISA Slot 3
ISA Slot 4
J36
J31
J32
J37
ISA Slot 2
ISA Slot 1
Super I/O
PCI Slot 3
J13
J14
pin 1
Con 9
PCI Slot 2
J11
PS/2
Mouse
Header
pin 1
PWR CON. 5V
1
Com2
1
1
PCI Slot 1
Secondary IDE
J9
J7
J5
Keyboard
CON
1
1
Com1
Floppy Con.
Primary IDE
pin 1
USB Con1
USB Con2
1
Parallel Port
J50
J45
BIOS
AMI/AWARD
J46
RTC
Voltage Regulator
J49
J47
J48
pin 1
J43
J42
J41
82371SB
JP5
CPU
Socket 7
J40
J39
J24
J35
J16
J23
J22
J15
SRAM
SRAM
J21
J20
JP4
Bank 0 SDRAM
Bank 1 SDRAM
Clock
Gen.
pin 1
Bank 0 DRAM
Bank 1 DRAM
Bank 0 DRAM
Bank 1 DRAM
82438VX
JP1
J8
82438VX
JP2
JP3
J3
J6
Tag RAM
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3.2 Jumper Settings
CPU Speed Settings for Pentium P54C and P55C:
J15 J40 J39 CPU Speed
1-2, 3-4 Off Off 75 MHz
3-4 Off Off 90 MHz
1-2 Off Off 100 MHz
3-4 On Off 120 MHz
1-2 On Off 133 MHz
3-4 On On 150 MHz
1-2 On On 166 MHz
1-2 Off On 200 MHz
CPU Speed Settings for Cyrix/SGS/IBM 6x86/M1:
J15 J40 J39 CPU Speed CPU ID
1-2, 3-4 On Off 100MHz P120+
3-4 On Off 120MHz P150+
1-2 On Off 133MHz P166+
CPU Voltage Regulator Settings:
Pentium MMX requires two voltage sources, J20, J21, & J22 are settings for
one source. J23, J24 and J35 are settings for the second voltage source. The
default setting is for P54C/MMX CPU's.
P54C& MMX Cyrix
J20 3.5V on off
J21 3.3V off on
J22 3.6V off off
J23 off on
J24 on off
J35 on off
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Memory Voltage SIMMs: Some EDO memory uses 3.3V.
Damage to system can result if these are set incorrectly!
Volts J5 J7 J9 J11 J3 J6 J8
Default 5V On On On On Off Off Off
3.3V Off Off Off Off On On On
Memory Voltage DIMMs: Default is 5V.
Volts JP1 JP2 JP3
Default 5V 1-2 1-2 1-2
3.3V 2-3 2-3 2-3
CPU Multiplier: J40 and J39
J40 J39 Multiplier
off off x1.5
on off x2
on on x2.5
off on x3
Host Bus Setting: J15
J15 Host Speed PCI Speed
1-2,3-4 50MHz 25MHz
1-2 66.67MHz 33.33MHz
3-4 60MHz 30MHz
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Reset Connector: J41
Turbo LED Connector: J48
Flash EPROM: J50
This jumper should be left at the factory default.
Keylock Connector: J47
Pinout Assignment
1 Power Good
2 Ground
Pinout Assignment
1 Cathode
2 Anode
J50 1-2
Pinout Assignments
1 Led Output
2 No Connect
3 Ground
4 Keylock
5 Ground
CMOS Resest/Password Reset: J45(Default off)
If you at anytime need to reset the CMOS because you have forgotten
your password do the following.
If your system has the Dallas DS12887A chip, just power down the
machine and close jumper J45for five seconds. Then open the jumper
and power on the machine. Your CMOS will be cleared.
If your system has the Dallas DS12B887 chip, your system must be
powered on when you close jumper J45. It only needs to be closed
for a couple of seconds. Then remove the jumper and your CMOS
will be cleared.
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I/O Port Setting: J13 and J14
J13 J14
Default For Serial Port 1-2 1-2
For IR Port 2-3 2-3
Speaker Connector: J42
Pinout Assignments
1 Speaker out
2 NC
3 Ground
4 + 5V
Turbo Switch: J49
Open for Turbo
Non-Turbo mode Close for Non-Turbo
not supported by chipset.
HDD LED: J43
Pinout Assignments
1 Cathode
2 Anode
3 Anode
4 Cathode
Infra Red Interface: Con9 and Con10
Pinout Assignment
1 Signal In
2 Gnd
3 Signal Out
4 VCC
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3.3 CMOS RTC
CMOS RTC includes an internal battery and Real Time Clock circuit. It
provides the date and the time for the system. Normally the life span of a
RTC internal battery is 10 years. When replacing, you should use the same
model.
3.4 Speaker Connector Installation
S1471 provides a 4-Pin header (J42) to connect the speaker. The polarity
can go either way.
3.5 Turbo Switch
The front panel on your case may have a turbo switch to control system
speed when slower program execution is required for software developed
in the old XT days.
You can connect the chassis turbo switch to J49 on the mainboard. The
430VX chipset doesn't support a hardware turbo function so this switch will
only turn on or off the turbo LED.
3.6 Turbo LED Connector Installation
The TURBO LED on the front case panel can indicate the current speed
status of the system. The TURBO LED connector should be installed to
J48 in the correct direction.
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3.7 Hardware Reset Switch Connector Installation
The RESET switch on your cases' display panel provides users with the
HARDWARE RESET functinon which is the same as power on/off. The
system will do a cold start after the RESET switch is pushed by the user.
The RESET switch is a 2 pin connector and should be installed on jumper
J41.
3.8 Flash EPROM-Jumper J50
The S1471 uses flash memory to store BIOS programs. It can be updated
as new versions of the BIOS becomes available. The flash utility will guide
you through the process step by step.
J50 determines which type of EPROM is used. This jumpers has been set
to match the on board BIOS chip. The factory default for the S1471 is on
pins 1-2. Depending on the type of EPROM used, some boards will have
J50 on pins 2-3.
Refer to chapter 5 for Flash EPROM upgrade procedures.
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