The information in this document is subject to change without prior notice in
order to improve the reliability, design and function. It does not represent a
commitment on the part of the manufacturer.
Under no circumstances will the manufacturer be liable for any direct,
indirect, special, incidental, or consequen-tial damages arising from the use or
inability to use the product or documentation, even if advised of the possibility
of such damages.
This document contains proprietary information protected by copyright. All
rights are reserved. No part of this manual may be reproduced by any
mechanical, electronic, or other means in any form without prior written
permission of the manufacturer.
Trademarks
PC is a registered trademark of International Business Machines Corporation.
Intel is a registered trademark of Intel Corporation. AWARD is a registered
trademark of Award Software International, Inc. DiskOnChip
®
2000 and
TrueFFS are registered trademarks of M-Systems Inc.. Other product names
mentioned herein are used for identification purposes only and may be
trademarks and/or registered trademarks of their respective companies.
This SBC is based on VIA Embedded System Platform which combines PC-66/
100/133MHz FSB, UltraDMA/100 IDE technologies and rich 4xAGP 2D/3D
graphics capabilities in a single package. Its onboard Dual 10Base-T/100BaseTX Fast Ethernet, CRT /LCD display controller, with VGA / TTL / LVDS
Interfaces add communication and multimedia features to its powerfull
function.
The new VIA Eden Embedded System Platform will spur the further development of the emerging new generation of quiet running, low profile small factor
designs that are being adopted for a myriad of connected information and
entertainment systems - ranging from home entertainment devices such as
Set Top Boxes, Game Consoles, Personal Video Recorders and Broadband
Gateways to commercial applications such as Thin Clients, LCD Web Based
Terminals, POS Terminals and Network Attached Servers.
These new designs not only leverage the fundamental strengths of the x86
platform - namely, its software resources, its Internet compatibility, its rapid
product innovation cycles, its massive economies of scale, and its open
architecture. They also extend the capabilities of the PC and the Internet by
allowing people to connect to information and entertainment in an easier, more
convenient, and more affordable way.
This board with the new generation of information and entertainment systems
is already changing the way that people consume and interact with digital
content. It will allow them to view it on a TV or LCD screen, listen to it on
their audio system speakers, store it on a server or Personal Video Recorder
so that it can be accessed at a later date, manipulate it on a home media PC,
share it with their family over the home network, or send it to their freinds
and relatives over the internet.
With its ultra low power, rich levels of integration, advanced multimedia
capabilities and communication features, this board is an exciting opportunity
for System Integrators and OEMs to develop new generation products that
meet the desires and aspirations of the 21th century consumers.
EmCORE-v611 User's Manual
1
Page 6
Specifications
General Specifications
CPU : VIA Ultra Low Power Embedded Eden processor (400 ~800 MHz)
with FSB 66/100/133 MHz EBGA package.
Chipset : VIA VT8606 TwisterT with Integrated Savage4 AGP 4X Graphics
core and VT82C686B Super "South Bridge"
BIOS : AWARD
Green Function : power saving supported in BIOS. DOZE / STANDBY /
SUSPEND modes, ACPI & APM
L1 Cache : Integrated on CPU (128KB)
L2 Cache : Integrated on CPU (64 KB)
DRAM Memory : Onboard 128 (256MB option) SDRAM, and up to 512MB
of SDRAM on SODIMM (Total of 768MB Memory)
Enhanced IDE with UltraDMA : supports 1 port and up to 2 ATAPI
devices, Ultra DMA transfer 33 MB/sec. One 44-pin (2.0 pitch) box header.
Watchdog Timer : 127-level timer generates RESET or NMI when your
application loses control over the system.
Real-time Clock : built-in chipset with lithium battery backup. CMOS data
backup of BIOS setup and BIOS default.
High Speed Multi I/O
Chipset : VIA VT82C686B
Serial Ports : One high speed RS-232C ports (COM1). One high speed
RS-232C/422/485 port COM2 (jumper selectable). Both with 16C550
compatible UART and 16 byte FIFO.
USB : Two onboard USB ver 1.1 ports
SIR Interface : onboard IrDA TX/RX port
Floppy Disk Drive Interface : 2 floppy disk drives, 3½" (720 KB, 1.44
MB or 2.88 MB).
Bi-directional Parallel Port : SPP, EPP and ECP mode.
Keyboard and Mouse Connectors : 10pin mini header for AT keyboard
and PS2 mouse
Audio Chipset: VIA VT82C686B, AC97 2.0 compliant, Multistream Direct
Sound and Direct Sound 3D acceleration. (Line-in, CD Audio in, MIC in,
Speaker out)
Chipset : 4x AGP S3 Savage4 3D and S3 Savage 2000 2D engines
integrated in VT8606 supports up to 32MB of Shared system memory
Display Type : CRT (VGA, SVGA, XGA, SXGA) and LCD Type with TTL &
LVDS interface
Connectors : 16 pin onboard header
Resolution: Single Channel of LVDS / 36-bit of TTL; all resolutions are
supported up to 1280x1024.
Flash Disk
Compact Flash Card (CFC)
- Compact Flash Socket : supports Type I/II CFC
- Capacity : up to 512MB CFC
Environmental and Power
Power Requirements : +5 V @ 1.8 A (typical), +12 V @ 0.13A (typical)
;(Low Power Embedded 667MHz and 128MB SDRAM)
System Monitoring and Alarm : CPU and System temperature, system
voltage and cooling fan RPM.
Board Dimensions : 145mm x 102mm
Board Weight : 0.18kg
Operating Temperature : 0 to 60°C (32 to 140°F)
EmCORE-v611 User's Manual
3
Page 8
Board Image
4
EmCORE-v611 User's Manual
Page 9
War ning
Single Board Computers and their components contain very
delicate Integrated Circuits (IC). To protect the Single Board
Computer and its components against damage from static
electricity, you should always follow the following precautions
when handling it :
1. Disconnect your Single Board Computer from the power source
when you want to work on the inside
2. Hold the board by the edges and try not to touch the IC chips, leads
or circuitry
3. Use a grounded wrist strap when handling computer components.
4. Place components on a grounded antistatic pad or on the bag that
came with the Single Board Computer, whenever components are
separated from the system
Ordering Codes
EmCORE-v611VL2R/E5333.5" form factor Embedded VIA Eden 533MHz
Single Board Computer with 128MB SDRAM, CRT
SVGA, Dual Fast Ethernet, AC97 3D Audio, PC/104
and Compact Flash Socket
EmCORE-v611VL2R/E6673.5" form factor Embedded VIA Eden 667MHz
Single Board Computer with 128MB SDRAM, CRT
SVGA, Dual Fast Ethernet, AC97 3D Audio, PC/104
and Compact Flash Socket (optional)
EmCORE-v611VL2R/E800The same as above with VIA Eden 800MHz CPU
Connectors
LableFunction
ATX1ATX Feature Connectorr
COM1Serial Port: COM1
COM2Serial Port: COM2
CPUF1CPU FAN1 Connector
ESMIExternal SMI
ESPKExternal Speaker
FDDFloppy Disk Driver Connector
HLEDHDD LED Connector
IDE1Primary IDE Connector
KBM(PS2)PS/2 Keyboard & Mouse
LAN110/100M LAN1 Connector
LAN210/100M LAN2 Connector
LANLEDLED Singal for LANs
LPT1Parallel Port
PLKLPower LED
PSONATX Soft Power Switch
DIO16-bit GPIO
CFA1Compact Flash Disk
PC104ISA PC-104 Interface
LCD1LCD Connector for TTL (under 24bit)
LCD2LCD Connector for LVDS
INVLCD Invertor connector
CDINCDROM Audio Interface
AUDIOAudio Interface Port
SODIM1SODIMM Socket
SIRInfrared (IR) Connector
RESReset Connector
USB1USB Port 0,1
USB2USB Port 2,3
VGACRT SVGA Connector
PWR1Power Connector
8
EmCORE-v611 User's Manual
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CMOS Jumper Settings
1
JV9
5V
LANLED
PWR1
&38
J2
JV4
INV
1
)''
1
SIR
1
',2
/$1
1
69,$
VGA
9,$
1
JV3
GND
1
BUZZER
317
1
1
6'5$0
AUDIO
BATTERY
COM1
1
12V
1
1
LCD2
97&%
6'5$0
7ZLVWHU7
LAN2
USB2
J1
JV1
JV2
1
/37
1
LCD1
KBM
%,26
CDIN
USB1
J4
,'(
COM2
9,$
1
1
1
GND
FRT
/$1
ATX1
1
CPUF1
1
LAN1
1
3&
CMOS Setup (J1)
Type : J1: onboard 3-pin header
CMOS Setup (J1)J1
Keep CMOS1-2ON
Clear CMOS2-3ON
default setting
123
J 1
9
EmCORE-v611 User's Manual
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Watchdog Timer
123
J 2
Watchdog Output (J2)
The onboard watchdog timer can be disable by jumper setting or enable for
either reboot by system RESET or invoking an NMI (Non-Maskable Interrupt)
Even if enabled by jumper setting upon boot the watchdog timer is always
inactive. To initialize or refresh the watchdog timer writing of port 444H is
sufficient. To disable the watchdog time read port 44H.
StatusAction
Enable/refresh the Watchdog TimerI/O Write 444H
Disable the Watchdog Timer.I/O Read 044H
After the watchdog timer has been initialized by reading port 444H, it has to
be strobed at preconfigured intervals to keep it from issuing a RESET or NMI.
The watchdog timer timeout intervals are set by software programming.
Mode Setting
Watchdog ModeJ2
Enabled for Active NMI(I/O Channel Check)1-2
Enabled for System Reset2-3
Disable Watchdog TimerNone
default setting
6'5$0
CPUF1
1
PWR1
6'5$0
9,$
&38
12V
GND
GND
5V
FRT
1
VGA
317
69,$
7ZLVWHU7
LCD1
LCD2
BUZZER
CDIN
1
INV
AUDIO
COM2
1
,'(
1
USB2
1
USB1
9,$
97&%
ATX1
1
/$1
JV9
1
1
J4
1
JV1
JV2
JV3
COM1
LANLED
JV4
1
1
J2
)''
1
1
/37
1
',2
%,26
J1
3&
1
SIR
1
KBM
/$1
BATTERY
1
1
LAN2
1
LAN1
Timeout Values
Timout values are programmed. The watchdog timer supports 127 steps.
use the table on the next page to find the hexidecimal value that needs to be
passed on to get the correct timer interval. Look subsequntly at the program
example how to pass the value to the watchdog timer.
The following program is an examples of how to enable,
disable and refresh the Watchdog timer:
WDT_EN_RFequ444H
WDT_DIS equ044h
WT_Enablepush AX; Save AX,DX
WT_Refreshpush AX; Save AX,DX
WT_Disablepush AX; Save AX,DX
WT_Disablepush AX; save AX,DX
push DX
mov DX,WDT_EN_RF; Enable Timer
mov AX,INTERVAL ; Set Timeout Value
out DX,AX
pop DX; Restore DX,AX
pop AX
ret
push DX
mov DX,WDT_EN_RF; Refresh Timer
mov AX,INTERVAL ; Set Timout Value
out DX,AX
pop DX; Restore DX,AX
pop AX
ret
push DX
mov DX,WDT_DIS ; Disable Timer
in AX,DX
pop DX; Restore DX,AX
pop AX
ret
push DX
mov DX,WDT_DIS ; Disable Timer
in AX,DX
pop DX; restore DX,AX
pop AX
ret
12
EmCORE-v611 User's Manual
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Serial Port Selection (RS232C/422/485)
RS-232C/422/485 Mode select (J4)
RS-232C/422/485 Mode on COM2
The onboard COM2 port can be configured to operate in RS-422 or RS-485
modes. RS-422 modes differ in the way RX/TX is being handled. Jumper J4
switches between RS-232 or RS-422/485 mode. When J4 is set to RS-422 or
485 mode, there will be only +12V output left while J4 is set. All of the RS232/422/485 modes are available on COM2.
All onboard COM ports can be configured to operate in standard RS-232c
mode or in POS (Point-of-Sale) RS-232c mode. POS devices normally need an
additional power supply signal (5V or 12V) to be able to power the device
(LCD, cash drawer or printer) without additional wiring.
There are three seperate POS modes :
- RS-232 with 5V on pin 1
- RS-232 with 12V on pin 9
- RS-232 with 5V on pin 1 and 12V on pin 9
COM1 RS-232 ModeJV1 JV2
Standard1-2 1-2
POS : 12 V on pin 92- 3 1-2
POS : 5 V on pin 11- 2 2-3
POS : 5 V on pin 1 and 12 V on pin 92 -3 2-3
COM2 RS-232 ModeJV3 JV4
Standard1-2 1-2
POS : 12 V on pin 92- 3 1-2
POS : 5 V on pin 11- 2 2-3
POS : 5 V on pin 1 and 12 V on pin 92 -3 2-3
14
EmCORE-v611 User's Manual
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Flash Disk
Compact Flash Disk
Installation Instructions
1. Make sure the Single Board Computer is powered OFF.
2. Plug the Compact Flash TypeI/II device into its socket. Verify the direction is
correct on Secondary IDE which is located in the back of SBC.
3. Powre up the system
Compact
Flash
For more information on Compact Flash disk, visit Pretech Web site at
http:// www.pretech.com
where you can find the utilities manual, data sheets and application notes. In
addition, you can find the latest Compact Flash disk utilities.
LCD1 connector is defined for TTL panel supporting 24-bit only. LCD2
connector is defined for LVDS panel for one channel and TTL panel up to
36bit (More than 24bit of TTL panel 24bit needs to use both connector LCD1 &
LCD2).
Connector : LCD1
Type : Onboard DF13-40DS connector
0081 - 0083DMA Controller
008F - 0091DMA Controller
00A0 - 00A1PIC
00A2 - 00BFMotherboard Resources
00E0 - 00EFMotherboard Resources
00C0 - 00DFDMA Controller
00F0 - 00FFNumeric Data Processor
0170 - 0177VIA Bus Master PCI IDE Controller
01F0 - 01F7 VIA Bus Master PCI IDE Controller
02F8 - 02FFCommunications Port B
0376 - 0376 VIA Bus Master PCI IDE Controller
0378 - 037FPrinter Port
03F0 - 03F5Floppy Disk Controller
03F6 - 03F6 Intel Ultra ATA Controller
03F7 - 03F7Floppy Disk Controller
03F8 - 03FFC0M1
0400 - 048FMotherboard Resources
0480 - 048FMotherboard Resources
04D0 - 04D1PCI bus
PCI Bus Map
FunctinoDevice IDINT#GNT#
LAN1AD19INTBGNT0
LAN2AD20INTCGNT1
EmCORE-v611 User's Manual
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Page 34
AWARD BIOS Setup
The SBC uses the Award PCI/ISA BIOS ver 6.0 for the system configuration.
The Award BIOS setup program is designed to provide the maximum flexibility
in configuring the system by offering various options which could be selected
for end-user requirements. This chapter is written to assist you in the proper
usage of these features.
To access AWARD PCI/ISA BIOS Setup program, press <Del> key. The Main
Menu will be displayed at this time.
Once you enter the AwardBIOS CMOS Setup Utility, the Main Menu will
appear on the screen. The Main Menu allows you to select from several
setup functions and two exit choices. Use the arrow keys to select among
the items and press <Enter> to accept and enter the sub-menu.
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EmCORE-v611 User's Manual
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Setup Items
The main menu includes the following main setup categories. Recall that
some systems may not include all entries.
Standard CMOS Features
Use this menu for basic system configuration.
Advanced BIOS Features
Use this menu to set the Advanced Features available on your system.
Advanced Chipset Features
Use this menu to change the values in the chipset registers and optimize your
system's performance.
Integrated Peripherals
Use this menu to specify your settings for integrated peripherals.
Power Management Setup
Use this menu to specify your settings for power management.
PnP / PCI Configuration
This entry appears if your system supports PnP / PCI.
PC Health Status
This entry appears CPU temperature for the systemI.
Frequency/Voltage Control
Use this menu to specify your settings for frequency/voltage control.
Load Optimized Defaults
Use this menu to load the BIOS default values that are factory settings for
optimal performance system operations. While Award has designed the
custom BIOS to maximize performance, the factory has the right to change
these defaults to meet their needs.
Set Password
Use this menu to set User and Supervisor Passwords.
Save & Exit Setup
Save CMOS value changes to CMOS and exit setup.
Exit Without Save
Abandon all CMOS value changes and exit setup.
EmCORE-v611 User's Manual
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Standard CMOS Setup
¯ ® ¬:Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
The BIOS determines the day of the week from the other date information; this
field is for information only.
Time
The time format is based on the 24-hour military-time clock. For example, 1
p.m. is 13:00:00. Press the « or ( key to move to the desired field . Press the
PgUp or PgDn key to increment the setting, or type the desired value into the
field.
IDE Primary Master/Slave
IDE Secondary Master/Slave
Options are in sub menu (see page 30)
Drive A, B
Select the correct specifications for the diskette drive(s) installed in the
computer.
None :No diskette drive installed
360K ;5.25 in 5-1/4 inch PC-type standard drive
1.2M ;5.25 in 5-1/4 inch AT-type high-density drive
720K ;3.5 in 3-1/2 inch double-sided drive
1.44M ;3.5 in 3-1/2 inch double-sided drive
2.88M ;3.5 in 3-1/2 inch double-sided drive
32
EmCORE-v611 User's Manual
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VideoSelect the type of primary video subsystem in your computer. The
BIOS usually detects the correct video type automatically. The BIOS supports
a secondary video subsystem, but you do not select it in Setup.
Halt On During the power-on self-test (POST), the computer stops if the
BIOS detects a hardware error. You can tell the BIOS to ignore certain errors
during POST and continue the boot-up process. These are the selections:
No errorsPOST does not stop for any errors.
All errorsIf the BIOS detects any non-fatal error, POST stops and
All, But KeyboardPOST does not stop for a keyboard error, but stops for
All, But DiskettePOST does not stop for diskette drive errors, but stops
All, But Disk/KeyPOST does not stop for a keyboard or disk error, but
Panel Type Select the different panel type to run the system. Four various
Boot Device This item allows you to select the different devices for boot up
prompts you to take corrective action.
all other errors.
for all other errors.
stops for all other errors.
resolutions for TFT type and two for DSTN.
function
EmCORE-v611 User's Manual
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IDE Harddisk Setup (submenu)
CMOS SETUP UTILITY - Copyright (C) 1984-2001 Award Software
IDE HDD Auto-DetectionPress EnterItem Help 2001
IDE Primary Master[Auto] Menu Level
Access Mode[Auto]
Capacity0 MB
Cylinder0
Head0
Precomp0
Landing Zone0
Sector0
¯ ® ¬:Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
Press Enter to auto-detect the HDD on this channel. If detection is successful, it fills the remaining fields on this menu.
IDE Primary Master
IDE Primary Master
Selecting 'manual' lets you set the remaining fields on this screen. Selects
the type of fixed disk. "User Type" will let you select the number of cylinders, heads, etc. Note: PRECOMP=65535 means NONE !
Capacity
Disk drive capacity (Approximated). Note that this size is usually slightly
greater than the size of a formatted disk given by a disk checking program.
Access Mode
Normal, LBA, Large or Auto Choose the access mode for this hard disk
34
EmCORE-v611 User's Manual
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The following options are selectable only if the 'IDE Primary Master' item is set
to 'Manual'
CylinderMin = 0 Max = 65535
Set the number of cylinders for this hard disk.
HeadMin = 0 Max = 255
Set the number of read/write heads
PrecompMin = 0 Max = 65535
**** Warning: Setting a value of 65535 means no hard disk
Landing zoneMin = 0 Max = 65535
**** Warning: Setting a value of 65535 means no hard disk
SectorMin = 0 Max = 255
Number of sectors per track
We recommend that you select Type "AUTO" for all drives. The BIOS will
auto-detect the hard disk drive and CD-ROM drive at the POST stage.
If your hard disk drive is a SCSI device, please select "None" for your hard
drive setting.
EmCORE-v611 User's Manual
35
Page 40
BIOS Features Setup
¯ ® ¬:Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
Allows you to choose the VIRUS Warning feature for IDE Hard Disk boot
sector protection. If this function is enabled and someone attempt to write
data into this area, BIOS will show a warning message on screen and beep.
Enabled Activates automatically when the system boots up causing a
Disabled No warning message will appear when anything attempts to access
36
warning message to appear when anything attempts to access the
boot sector or hard disk partition table.
the boot sector or hard disk partition table.
EmCORE-v611 User's Manual
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CPU Internal Cache/External Cache
These two categories speed up memory access. However, it depends on
CPU/chipset design. Enabled : Enable cache, Disabled : Disable cache
CPU L2 Cache ECC Checking
This item allows you to enable/disable CPU L2 Cache ECC checking.
The choice: Enabled, Disabled.
Processor Number Feature
This feature appears when a a Pentium III processor is installed. It enables
you enables you to control whether the Pentium III's serial number can be
read by external programs. The choice : Enabled. Disabled
Quick Power On Self Test
This category speeds up Power On Self Test (POST) after you power up the
computer. If it is set to Enable, BIOS will shorten or skip some check items
during POST. Enabled : Enable quick POST. Disabled : Normal POST
First/Second/Third/Other Boot Device
The BIOS attempts to load the operating system from the devices in the
sequence selected in these items. The choices are : Floppy, LS/ZIP, HDD,
SCSI, CDROM, Disabled.
Swap Floppy Drive
If the system has two floppy drives, you can swap the logical drive name
assignments. The choice: Enabled/Disabled.
Boot Up Floppy Seek
Seeks disk drives during boot up. Disabling speeds boot up.
The choice: Enabled/Disabled.
Boot Up NumLock Status
Select power on state for NumLock. The choice: Enabled/Disabled.
Gate A20 Option
Select if chipset or keyboard controller should control GateA20.
NormalA pin in the keyboard controller controls GateA20
FastLets chipset control GateA20
Typematic Rate Setting
Key strokes repeat at a rate determined by the keyboard controller. When
enabled, the typematic rate and typematic delay can be selected.
The choice: Enabled/Disabled.
Typematic Rate (Chars/Sec)
Sets the number of times a second to repeat a key stroke when you hold the
key down. The choice: 6, 8, 10, 12, 15, 20, 24, 30.
Typematic Delay (Msec)
Sets the delay time after the key is held down before it begins to repeat the
keystroke. The choice: 250, 500, 750, 1000.
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Security Option
Select whether the password is required every time the system boots or only
when you enter setup.
System The system will not boot and access to Setup will be denied if the
SetupThe system will boot, but access to Setup will be denied if the
NoteTo disable security, select PASSWORD SETTING at Main Menu and
OS Select For DRAM > 64MB
Select the operating system that is running with greater than 64MB of RAM on
the system.The choice: Non-OS2, OS2.
Video BIOS Shadow
Enabled this copies the video BIOS from ROM to RAM. effectively enhancing
performance, and reducing the amount of upper memory available by 32KB
(the C0000~C7FFF area of memory between 640 KB and 1 MB is used).
C8000-CBFFF Shadow
Enabling any of the C8000~CBFFF segments allows components to move their
firmware into these upper memory segments. However your computer can
lock-up doing so, because some devices don't like being shadowed at those
particular 16 KB segments of upper memory.
Note - In Windows 95, double click 'Computer' within Device Manager and
select 'Memory'. This will tell you what segments (if any) are being shadowed
For DOS you can use MSD.EXE to see what segments are claimed.
CC000-CFFFF - D0000-D3FFF - D4000-D7FFF - D8000-DBFFF and
DC000-DFFFF - Same as above.
correct password is not entered at the prompt.
correct password is not entered at the prompt.
then you will be asked to enter password. Do not type anything and
just press <Enter>, it will disable security. Once the security is
disabled, the system will boot and you can enter Setup freely.
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EmCORE-v611 User's Manual
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Chipset Features Setup
DRAM Clock
This item allows you to set the DRAM Clock. Options are Host CLK,
HCLK+33M or HCLK-33M. Please set the item according to the Host (CPU)
Clock and DRAM Clock.
SDRAM Cycle Length
This feature is similar to SDRAM CAS Latency Time. It controls the time delay
(in clock cycles - CLKs) that passes before the SDRAM starts to carry out a
read command after receiving it. This also determines the number of CLKs for
the completion of the first part of a burst transfer. Thus, the lower the cycle
length, the faster the transaction. However, some SDRAM cannot handle the
lower cycle length and may become unstable. So, set the SDRAM Cycle
Length to 2 for optimal performance if possible but increase it to 3 if your
system becomes unstable.
EmCORE-v611 User's Manual
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Bank Interleave
This feature enables you to set the interleave mode of the SDRAM interface.
Interleaving allows banks of SDRAM to alternate their refresh and access
cycles. One bank will undergo its refresh cycle while another is being
accessed. This improves performance of the SDRAM by masking the refresh
time of each bank. A closer examination of interleaving will reveal that since
the refresh cycles of all the SDRAM banks are staggered, this produces a
kind of pipelining effect. If there are 4 banks in the system, the CPU can
ideally send one data request to each of the SDRAM banks in consecutive
clock cycles. This means in the first clock cycle, the CPU will send an
address to Bank 0 and then send the next address to Bank 1 in the second
clock cycle before sending the third and fourth addresses to Banks 2 and 3
in the third and fourth clock cycles respectively. Each SDRAM DIMM consists
of either 2 banks or 4 banks. 2-bank SDRAM DIMMs use 16Mbit SDRAM chips
and are usually 32MB or less in size. 4-bank SDRAM DIMMs, on the other
hand, usually use 64Mbit SDRAM chips though the SDRAM density may be up
to 256Mbit per chip. All SDRAM DIMMs of at least 64MB in size or greater are
4-banked in nature.
If you are using a single 2-bank SDRAM DIMM, set this feature to 2-Bank. But
if you are using two 2-bank SDRAM DIMMs, you can use the 4-Bank option
as well. With 4-bank SDRAM DIMMs, you can use either interleave options.
Naturally, 4-bank interleave is better than 2-bank interleave so if possible, set
it to 4-Bank. Use 2-Bank only if you are using a single 2-bank SDRAM DIMM.
Notethat it is recommends that SDRAM bank interleaving be disabled if 16Mbit
SDRAM DIMMs are used.
Memory Hole
Enabling this feature reserves 15MB to 16MB memory address space to ISA
expansion cards that specifically require this setting. This makes the memory
from 15MB and up unavailable to the system. Expansion cards can only
access memory up to 16MB.
P2C/C2P Concurrency
When Disabled, CPU bus will be occupied during the entire PCI operation
period.
System BIOS Cacheable
Allows the system BIOS to be cached for faster system performance.
Video RAM Cacheable
This item allows you to "Enabled" or "Disabled" on Video RAM Cacheable.
Frame Buffer Size
This item defines the amount of system memory that will be shared and uses
as video memory.
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EmCORE-v611 User's Manual
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AGP Aperture Size
Options : 4, 8, 16, 32, 64, 128, 256
This option selects the size of the AGP aperture. The aperture is a portion of
the PCI memory address range dedicated as graphics memory address space.
Host cycles that hit the aperture range are forwarded to the AGP without
need for translation. This size also determines the maximum amount of system
RAM that can be allocated to the graphics card for texture storage.
AGP Aperture size is set by the formula : maximum usable AGP memory size
x 2 plus 12MB. That means that usable AGP memory size is less than half of
the AGP aperture size. That's because the system needs AGP memory
(uncached) plus an equal amount of write combined memory area and an
additional 12MB for virtual addressing. This is address space, not physical
memory used. The physical memory is allocated and released as needed only
when Direct3D makes a "create non-local surface" call.
AGP-4X Mode
Set to Enabled if your AGP card supports the 4X mode, which transfers video
data at 1066MB/s.
AGP Driving Control
This item is use for control AGP drive strength.
Auto: Setup AGP drive strength by default setting.
Manual: Setup AGP drive strength by manual setting.
AGP Driving Value
Key in a HEX number to control AGP output buffer drive strength.
Min = 00, Max = FF.
AGP Fast Write
To enable this function can increase VGA performance on graphic designed.
Panel Type
This item allows you to select different of Panel type.
Boot Device Select
This item allows you to select different type of devices for boot up.
OnChip USB
If your system contains a Universal Serial Bus controller and you have a USB
peripheral, select Enabled. The next option will become available.
USB Keyboard Support
This item lets you enable or disable the USB keyboard driver within the
onboard BIOS.
OnChip Sound
This menu can access the sound controller automaticlly
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CPU to PCI Write Buffer
This controls the CPU write buffer to the PCI bus. If this buffer is disabled,
the CPU writes directly to the PCI bus. Although this may seem like the faster
and thus, the better method, this isn't true. Because the CPU bus is faster
than the PCI bus, any CPU writes to the PCI bus has to wait until the PCI bus
is ready to receive data. This prevents the CPU from doing anything else until
it has completed sending the data to the PCI bus. Enabling the buffer enables
the CPU to immediately write up to 4 words of data to the buffer so that it
can continue on another task without waiting for those 4 words of data to
reach the PCI bus. The data in the write buffer will be written to the PCI bus
when the next PCI bus read cycle starts. The difference here is that it does
so without stalling the CPU for the entire CPU to PCI transaction. Therefore,
it's recommended that you enable the CPU to PCI write buffer.
PCI Dynamic Bursting
When enabled, data transfer on the PCI bus, where possible, make use of the
high-performance PCI bust protocol, in which greater amounts of data are
transferred at a single command.
PCI Master 0 WS Write
This function determines whether there's a delay before any writes to the PCI
bus. If this is enabled, then writes to the PCI bus are executed immediately
(with zero wait states), as soon as the PCI bus is ready to receive data. But
if it is disabled, then every write transaction to the PCI bus is delayed by one
wait state. Normally, it's recommended that you enable this for faster PCI
performance. However, disabling it may be useful when overclocking the PCI
bus results in instability. The delay will generally improve the overclockability
of the PCI bus.
PCI Master 0 WS Read
This function determines whether there's a delay before any writes to the PCI
bus. If this is enabled, then read to the PCI bus are executed immediately
(with zero wait states), as soon as the PCI bus is ready to receive data. But
if it is disabled, then every read transaction to the PCI bus is delayed by one
wait state. Normally, it's recommended that you enable this for faster PCI
performance. However, disabling it may be useful when overclocking the PCI
bus results in instability. The delay will generally improve the overclockability
of the PCI bus.
PCI Delay Transaction
The chipset has an embedded 32-bit posted write buffer to support delay
transactions cycles. Select Enabled to support compliance with PCI specification version 2.1.
Delay Transaction
The chipset has an embedded 32-bit posted write buffer to support delay
transactions cycles. Select Enabled to support compliance with PCI specification version 2.1.
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PCI Master Read Caching
To enable this function, the CPU L2 cache will be used to cache PCI master
reads. This boosts the performance of PCI master. It's recommend to disable
this feature
PCI Master Broken Timer
To enable this feature allows for slower PCI bus mastering expansion cards.
PCI # 2 Access # 1 Retry
This BIOS feature is linked to the CPU to PCI Write Buffer. Normally, the CPU to
PCI Write Buffer is enabled. All writes to the PCI bus are, as such, immediately written into the buffer, instead of the PCI bus. This frees up the CPU from
waiting till the PCI bus is free. The data are then written to the PCI bus when
the next PCI bus cycle starts.
There's a possibility that the buffer write to the PCI bus may fail. When that
happens, this BIOS option determines if the buffer write should be reattempted or sent back for arbitration. If this BIOS option is enabled, then the buffer
will attempt to write to the PCI bus until successful. If disabled, the buffer will
flush its contents and register the transaction as failed. The CPU will have to
write again to the write buffer. It is recommended that you enable this feature
unless you have many slow PCI devices in your system. In that case,
disabling this feature will prevent the generation of too many retries which
may severely tax the PCI bus.
ISA Bus Clock
Allows you to set the speed of the ISA bus in fractions fo the PCI bus speed,
so if the PCI bus is operating at its theroretical maximum, 33Mhz, PCICLK/3
would yield an ISA speed of 11Mhz. The choices: 7.159Mhz, PCICLK/4 and
PCICLK/3.
AGP Master 1 WS Write
By default, the AGP busmastering device waits for at least 2 wait states or
AGP clock cycles before it starts a write transaction. This BIOS option allows
you to reduce the delay to only 1 wait state or clock cycle. For better AGP
write performance, enable this option but disable it if you experience weird
graphical anomalies like wireframe effects and pixel artifacts after enabling
this option.
AGP Master 1 WS Read
By default, the AGP busmastering device waits for at least 2 wait states or
AGP clock cycles before it starts a read transaction. This BIOS option allows
you to reduce the delay to only 1 wait state or clock cycle. For better AGP
read performance, enable this option but disable it if you experience weird
graphical anomalies like wireframe effects and pixel artifacts after enabling
this option.
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Integrated Peripherals
¯ ® ¬:Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
Select "Enabled" to activate each on-board IDE channel separately, Select
"Disabled", if you install an add-on IDE Control card
IDE Prefetch Mode
Enable prefetching for IDE drive interfaces that support its faster drive
accesses. If you are getting disk drive errors, change the setting to omit the
drive interface where the errors occur. Depending on the configuration of
your IDE subsystem, this field may not appear, and it does appear when the
Internal PCI/IDE filed, above, is Disabled.
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Primary & Secondary Master/Slave PIO
These four PIO fields let you set a PIO mode (0-4) for each of four IDE
devices. When under "Auto" mode, the system automatically set the best
mode for each device
Primary & Secondary Master/Slave UDMA
When set to "Auto" mode, the system will detect if the hard drive supports
Ultra DMA mode.
Init Display First
Select "AGP" or "PCI Slot" for system to detect first when boot-up.
IDE HDD Block Mode
This feature enhances disk performance by allowing multi-sector data
transfers and eliminates the interrupt handling time for each sector.
Onboard LAN Boot ROM
This feature allows you to run LAN Boot function. Select "Disnabled" not to
access this function
Onboard LAN1
Select "Enabled" if your system contains a LAN1 port.
Onboard LAN2
Select "Enabled" if your system contains a LAN1 port.
Onboard FDD Controller
Select "Enabled" to activate the on-board FDD
Select "Disabled" to activate an add-on FDD
Onboard Serial Port 1 & 2
Select an address and corresponding interrupt for the first/second serial port.
The default value for the first serial port is "3F8/IRQ4" and the second serial
port is "2F8/IRQ3".
Onboard Parallel Port
Select address and interrupt for the Parallel port.
Onboard Parallel Mode
Select an operating mode for the parallel port. Mode options are Normal, EPP,
ECP, ECP/EPP.
ECP Mode Use DMA
Select a DMA channel if parallel Mode is set as ECP, ECP/EPP.
Parallel Port EPP Type
Select a EPP Type if parallel Port is set as EPP, ECP/EPP.
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Onboard Legacy Audio
Configuration options: Enabled and Disabled. When Enabled, select additional
settings for SoundBlaster Compatibillity and MPU-401 functionallity
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Power Management Setup
¯ ® ¬:Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
ACPI Function
Select Enabled only if your computer's operating system supports ACPI (the
Advanced Configuration and Power Interface) specification. Currently,
Windows 98 and Windows2000 support ACPI.
Power Management
There are 4 selections for Power Management, 3 of which have fixed mode :
Disabled (default)No power management. Disables all four modes.
Min. Power SavingMinimum power management. Doze Mode = 1 hr.,
Max. Power SavingMaximum power management -- ONLY AVAILABLE FOR
User DefinedAllows you to set each mode individually. When not
disabled, each of the ranges are from 1 min. to 1 hr.
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PM Control By APM
When enabled, an Advanced power Management device will be activated to
enhance the Max. Power Saving mode and stop the CPU internal clock. If the
Max. Power Saving is not enabled, this will be preset to No.
Video Off Option
Controls what causes the display to be switched off
Suspend -> Off Always On All Mode -> Off
Video Off Method
This determines the manner in which the monitor is blanked.
V/H SYNC+Blankcause the system to turn off the vertical and horizontal
Blank ScreenThis option only writes blanks to the screen.
DPMSInitial display power management signaling.
Modem Use IRQ
Name the interrupt request (IRQ) assigned to the modem (if any) on your
system. Activity of the selected IRQ always awakens the system.
Soft-Off By PWRBTN
The field defines the power-off mode when using an ATX power supply. The
Instant-Off mode means powering off immediately when pressing the power
button. In the Delay 4 Sec mode, the system powers off when the power
button is pressed for more than four seconds or places the system in a very
low-power-usage state, with only enough circuitry receiving power to detect
power button activity or resume by ring activity when press for less than
four seconds. The default is 'Instant-Off'.
State After Power Failure
This item allows you to select three status after the power failure. The
choices are ON, OFF and Auto.
Wake Up Events
Setting an event on each device listed to awaken the system from a soft off
state.
Power Button
synchronization signals and writes blanks to the
screen.
48
Wake Up on LAN
Wake Up on Modem
RTC Alarm Resume
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PnP/PCI Configuration
¯ ® ¬:Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
This section describes configuring the PCI bus system. PCI, or Personal
Computer Interconnect, is a system which allows I/O devices to operate at
speeds nearing the speed the CPU itself uses when communicating with its
own special components.
PnP OS Installed
Select Yes if the system operating environment is Plug-and-Play aware (e.g.,
Windows 95).
Reset Configuration Data
Normally, you leave this field Disabled. Select Enabled to reset ESCD (Extended System Configuration Date) when you exit Setup if you have installed a
new add-on and the system reconfiguration has caused such a serious
conflict that the operating system cannot boot.
Resource Controlled By
The Award Play and Play BIOS can automatically configure all the boot and
Plug-and-Play compatible devices. If you select Auto, all the interrupt request
(IRQ) and DMA assignment fields disappear, as the BIOS automatically assigns
them.
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IRQ Resources
When resources are controlled manually, assign each system interrupt as one
of the following types, depending on the type of device using the interrupt :
Legacy ISADevices compliant with the original PC/AT bus specification,
PCI/ISA PnPDevice compliant with the Plug and Play standard, whether
DMA Resources
When resources are controlled manually, assign each system DMA channel
as one of the following types, depending on the type of device using the
DMA :
Legacy ISADevices compliant with the original PC/AT bus specification,
PCI/ISA PnPDevices compliant with the Plug and Play standard, whether
PCI/VGA Palette Snoop
Normally this option is always Disabled! Nonstandard VGA display adapters
such as overlay cards or MPEG video cards may not show colors properly.
Setting Enabled should correct this problem. If this field set Enabled, any I/O
access on the ISA bus to the VGA card's palette registers will be reflected
on the PCI bus. This will allow overlay cards to adapt to the changing palette
colors.
Assign IRQ For VGA
Many high-end graphics accelerator cards now require an IRQ to function
properly. Disabling this feature with such cards will cause improper operation
and/or poor performance. Thus, it's best to make sure you enable this feature
if you are having problems with your graphics accelerator card. However,
some low-end cards don't need an IRQ to run normally. Check your graphics
card's documentation (manual). If it states that the card does not require an
IRQ, then you can disable this feature to release an IRQ for other uses. When
in doubt, it's best to leave it enabled unless you really need the IRQ.
requiring a specific interrupt (such as IRQ4 for serial port 1).
designed for PCI or ISA bus architecture.
requiring a specific DMA channel.
designed for PCI or ISA bus architecture.
Assign IRQ For USB
Windows 95 will automatically give an IRQ to the USB port even if there is no
USB peripheral connected. Disabling this will free the IRQ.
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PC Health Status
This section describes CPU tempearature for the system.
Current CPU Temperature
Show you the current CPU temperature
Current System Temperature
Show you the current system temperature
Current CPUFAN Speed
Show you the current CPUFAN operating speed
Vcore
Show you one type of CPU voltage
+2.5, +3.3V, +5V, +12V
Show you the different voltage can be used for the system
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Frequency/Voltage Control
This section describes Frequency and Voltage control for the system.
Auto Detect DIMM/PCI CLK
When enabled, this item will auto detect if the DIMM and PCI socket have
devices and will send clock signal to DIMM and PCI devices. When disabled, it
will send the clock signal to all DIMM and PCI socket.
Spread Spectrum
This item allows you to enable/disable the spread spectrum modulate.
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POST Codes
The following codes are not displayed on the screen. They can only be
viewed on the LED display of a so called POST card. The codes are listened
in the same order as the according functions are executed at PC startup. If
you have access to a POST Card reader, you can watch the system perform
each test by the value that's displayed. If the system hangs (if there's a
problem) the last value displayed will give you a good idea where and what
went wrong, or what's bad on the system board.
CODEDESCRIPTION OF CHECK
CFhTest CMOS R/W functionality.
C0hEarly chipset initialization:
C1hDetect memory
C3hExpand compressed BIOS code to DRAM
C5hCall chipset hook to copy BIOS back to E000 & F000
0h1Expand the Xgroup codes locating in physical address 1000:0
02hReserved
03hInitial Superio_Early_Init switch.
04hReserved
05h1. Blank out screen
06hReserved
07h1. Clear 8042 interface
08h1. Test special keyboard controller for Winbond 977
09hReserved
0Ah1. Disable PS/2 mouse interface (optional).
0BhReserved
0ChReserved
-Disable shadow RAM
-Disable L2 cache (socket 7 or below)
-Program basic chipset registers
-Auto-detection of DRAM size, type and ECC.
-Auto-detection of L2 cache (socket 7 or below)
shadow RAM.
2. Clear CMOS error flag
2. Initialize 8042 self-test
series Super I/O chips.
2. Enable keyboard interface.
2. Auto detect ports for keyboard & mouse followed by a
port & interface swap (optional).
3. Reset keyboard for Winbond 977 series Super I/O chips.
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0DhReserved
0EhTest F000h segment shadow to see whether it is R/W-able or
0FhReserved
10hAuto detect flash type to load appropriate flash R/W codes into
11hReserved
12hUse walking 1's algorithm to check out interface in CMOS
13hReserved
14hProgram chipset default values into chipset. Chipset default
15hReserved
16hInitial onboard clock generator if Early_Init_Onboard_Generator
17hReserved
18hDetect CPU information including brand, SMI type (Cyrix or
19hReserved
1AhReserved
1BhInitial interrupts vector table. If no special specified, all H/W
1ChReserved
1DhInitial EARLY_PM_INIT switch.
1EhReserved
1FhLoad keyboard matrix (notebook platform)
20hReserved
21hHPM initialization (notebook platform)
22hReserved
23h1. Check validity of RTC value: e.g. a value of 5Ah is an invalid
24hPrepare BIOS resource map for PCI & PnP use. If ESCD is
not. If test fails, keep beeping the speaker.
the run time area in F000 for ESCD & DMI support.
circuitry. Also set real-time clock power status, and then
check for override.
values are MODBINable by OEM customers.
is defined. See also POST 26h.
Intel) and CPU level (586 or 686).
interrupts are directed to SPURIOUS_INT_HDLR & S/W interrupts to SPURIOUS_soft_HDLR.
value for RTC minute.
2. Load CMOS settings into BIOS stack. If CMOS checksum
fails, use default value instead.
valid, take into consideration of the ESCD's legacy information.
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25hEarly PCI Initialization:
26h1. If Early_Init_Onboard_Generator is not defined Onboard
27hInitialize INT 09 buffer
28hReserved
29h1. Program CPU internal MTRR (P6 & PII)
2AhReserved
2BhInvoke Video BIOS
2ChReserved
2Dh1. Initialize double-byte language font (Optional)
2EhReserved
2FhReserved
30hReserved
31hReserved
32hReserved
33hReset keyboard if Early_Reset_KB is defined e.g. Winbond 977
34hReserved
35hTest DMA Channel 0
36hReserved
37hTest DMA Channel 1.
38hReserved
39hTest DMA page registers.
3AhReserved
3BhReserved
-Enumerate PCI bus number.
-Assign memory & I/O resource
-Search for a valid VGA device & VGA BIOS,
and put it into C000:0
3. Program early chipset according to CMOS setup.
Example: onboard IDE controller.
4. Measure CPU speed.
2. Put information on screen display, including Award title,
CPU type, CPU speed, full screen logo.
series Super I/O chips. See also POST 63h.
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3ChTest 8254
3DhReserved
3EhTest 8259 interrupt mask bits for channel 1.
3FhReserved
40hTest 8259 interrupt mask bits for channel 2.
41hReserved
42hReserved
43hTest 8259 functionality.
44hReserved
45hReserved
46hReserved
47hInitialize EISA slot
48hReserved
49h1. Calculate total memory by testing the last double
4AhReserved
4BhReserved
4ChReserved
4DhReserved
4Eh1. Program MTRR of M1 CPU
4FhReserved
50hInitialize USB Keyboard & Mouse.
51hReserved
52hTest all memory (clear all extended memory to 0)
53hClear password according to H/W jumper (Optional)
54hReserved
55hDisplay number of processors (multi-processor platform)
56hReserved
word of each 64K page.
2. Program write allocation for AMD K5 CPU.
2. Initialize L2 cache for P6 class CPU & program
CPU with proper cacheable range.
3. Initialize the APIC for P6 class CPU.
4. On MP platform, adjust the cacheable range to smaller
one in case the cacheable ranges between each CPU
are not identical.
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57h1. Display PnP logo
58hReserved
59hInitialize the combined Trend Anti-Virus code.
5AhReserved
5Bh(Optional Feature) Show message for entering AWDFLASH.EXE
5ChReserved
5Dh1. Initialize Init_Onboard_Super_IO
5EhReserved
5FhReserved
60hOkay to enter Setup utility; i.e. not until this POST stage can
61hReserved
62hReserved
63hReset keyboard if Early_Reset_KB is not defined.
64hReserved
65hInitialize PS/2 Mouse
66hReserved
67hPrepare memory size information for function call:
68hReserved
69hTurn on L2 cache
6AhReserved
6BhProgram chipset registers according to items described in
6ChReserved
6Dh1. Assign resources to all ISA PnP devices.
6EhReserved
6Fh1. Initialize floppy controller
70hReserved
2. Early ISA PnP initialization
-Assign CSN to every ISA PnP device.
from FDD (optional)
2. Initialize Init_Onbaord_AUDIO.
users enter the CMOS setup utility.
INT 15h ax=E820h
Setup & Auto-configuration table.
2. Auto assign ports to onboard COM ports if the
corresponding item in Setup is set to "AUTO".
2. Set up floppy related fields in 40:hardware.
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71hReserved
72hReserved
73h(Reserved
74hReserved
75hDetect & install all IDE devices: HDD, LS120, ZIP, CDROM..
76h(Optional Feature)
77hDetect serial ports & parallel ports.
78hReserved
79hReserved
7AhDetect & install co-processor
7BhReserved
7ChInit HDD write protect.
7DhReserved
7EhReserved
7FhSwitch back to text mode if full screen logo is supported.
80hReserved
81hReserved
Enter AWDFLASH.EXE if:
-AWDFLASH.EXE is found in floppy drive.
-ALT+F2 is pressed.
- If errors occur, report errors & wait for keys
- If no errors occur or F1 key is pressed to continue :
wClear EPA or customization logo.
E8POST.ASM starts
82h1. Call chipset power management hook.
83hSave all data in stack back to CMOS
84hInitialize ISA PnP boot devices
85h1. USB final Initialization
86hReserved
87hNET PC: Build SYSID Structure.
88hReserved
58
2. Recover the text fond used by EPA logo
(not for full screen logo)
3. If password is set, ask for password.
2. Switch screen back to text mode
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89h1. Assign IRQs to PCI devices
8AhReserved
8Bh1. Invoke all ISA adapter ROMs
8ChReserved
8Dh1. Enable/Disable Parity Check according to CMOS setup
8EhReserved
8FhClear noise of IRQs
90hReserved
91hReserved
92hReserved
93hRead HDD boot sector information for Trend Anti-Virus code
94h1. Enable L2 cache
95hUpdate keyboard LED & typematic rate
96h1. Build MP table
FFhBoot attempt (INT 19h)
2. Set up ACPI table at top of the memory.
2. Invoke all PCI ROMs (except VGA)
2. APM Initialization
2. Program Daylight Saving
3. Program boot up speed
4. Chipset final initialization.
5. Power management final initialization
6. Clear screen & display summary table
7. Program K6 write allocation
8. Program P6 class write combining
2. Build & update ESCD
3. Set CMOS century to 20h or 19h
4. Load CMOS time into DOS timer tick
5. Build MSIRQ routing table.
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Howto : Flash the BIOS
To flash your BIOS you'll need
1) a xxxxx.bin file that is a file image of the new BIOS
2) AWDFLASH.EXE a utility that can write the data-file into the BIOS chip.
Create a new, clean DOS 6 bootable floppy with "format a: /s".
Copy flash utility and the BIOS image file to this disk.
Turn your computer off. Insert the floppy you just created and boot the
computer. As it boots up, hit the [DEL] key to enter the CMOS setup. Go to
"LOAD SETUP (or BIOS) DEFAULTS," and then save and exit the setup
program. Continue to boot with the floppy disk.
Type "AWDFLASH" to execute the flash utility. When prompted, enter the
name of the new BIOS image and begin the flash procedure. Note: If you
reboot now, you may not be able to boot again.
After the flash utility is complete, reboot the system.
What to do when the Award flasher says:
Insufficient memory
1. In CMOS Chipset Features Setup, Disable Video Bios Cacheable.
2. Hit Esc, F10, Save and exit.
3. Flash the BIOS and reboot
4. Enter CMOS Chipset Features Setup,and Enable Video Bios Cacheable,
hit Esc, F10, Save and reboot.
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What if things go wrong
if you use the wrong Flash BIOS or if the writing process gets interrupted,
there is a fat chance that your computer won't boot anymore.
How can you recover a corrupt BIOS ?
Boot-block booting (this works only for Award BIOS)
Modern motherboards based on Award BIOS have a boot-block BIOS. This is
small area of the BIOS that doesn't get overwritten when you flash a BIOS.
The boot-block BIOS only has support for the floppy drive. If you have the
AGP video enabled you won't see anything on the screen because the bootblock BIOS only supports an ISA videocard.
If you do not want to change your AGP video setting than proceed as
follows:
The boot-block BIOS will execute an AUTOEXEC.BAT file on a bootable
diskette. Copy an Award flasher & the correct BIOS *.bin file on the floppy
and execute it automatically by putting awdflash *.bin in the AUTOEXEC.BAT
file.
Solution 2:Hot-swapping
1. Replace the corrupt chip by a working one. The working BIOS doesn't have
to be written for your board, it just has to give you a chance of booting to
DOS.
BIOSs for the same chipset mostly work. (Chipsets that not differ too much
also mostly work. (e.g. Triton FX chipset and Triton HX chipset)
2. Boot the system to DOS (with floppy or HD)
3. Be sure that the System BIOS cacheable option in your BIOS is enabled! If
so replace (while the computer is powered on) the BIOS chip with the corrupt
one. This should work fine with most boards because the BIOS is shadowed
in RAM.
4. Flash an appropriate BIOS to the corrupt chip and reboot.
NOTE: Use a flasher from MRBIOS (http://www.mrbios.com). Utilities that
come with your motherboard often use specific BIOS-hooks. Because you
have booted with a BIOS not written for your motherboard they usually don't
work. The MR Flash utilities communicate directly with your Flash Rom and
always work. In most cases they flash a non-MRBIOS to your BIOS chip
without problems.
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Warranty
This product is warranted to be in good working order for a period of one
year from the date of purchase. Should this product fail to be in good working
order at any time during this period, we will, at our option, replace or repair it
at no additional charge except as set forth in the following terms. This
warranty does not apply to products damaged by misuse, modifications,
accident or disaster.
Vendor assumes no liability for any damages, lost profits, lost savings or any
other incidental or consequential damage resulting from the use, misuse of, or
inability to use this product. Vendor will not be liable for any claim made by
any other related party.
Return authorization must be obtained from the vendor before returned
merchandise will be accepted. Authorization can be obtained by calling or
faxing the vendor and requesting a Return Merchandise Authorization (RMA)
number. Returned goods should always be accompanied by a clear problem
description.