DFI NB78-BC User manual

NB78-BC
NB78-BL
Rev. A+
System Board Users Manual
Carte Mère Manuel Pour Ut l sateur
System-Plat ne Benutzerhandbuch
Manual del Usuar o de Placas Base
935-NB7801-000
64300230

Copyr ght
This publication contains information that is protected by copyright.
No part of it may be reproduced in any form or by any means or
used to make any transformation/adaptation without the prior
written permission from the copyright holders.
This publication is provided for informational purposes only. The
manufacturer makes no representations or warranties with respect to
the contents or use of this manual and specifically disclaims any
express or implied warranties of merchantability or fitness for any
particular purpose. The user will assume the entire risk of the use or
the results of the use of this document. Further, the manufacturer
reserves the right to revise this publication and make changes to its
contents at any time, without obligation to notify any person or
entity of such revisions or changes.
© 00 . All Rights Reserved.
Trademarks
Windows® 98 SE, Windows® ME, Windows® 000, Windows NT®
4.0 and Windows® XP are registered trademarks of Microsoft
Corporation. Intel® and Pentium® 4 are registered trademarks of
Intel Corporation. Award is a registered trademark of Award
Software, Inc. Other trademarks and registered trademarks of
products appearing in this manual are the properties of their
respective holders.
Caut on
To avoid damage to the system:
 Use the correct AC input voltage range.
To reduce the risk of electric shock:
 Unplug the power cord before removing the system chassis
cover for installation or servicing. After installation or servicing,
cover the system chassis before plugging the power cord.

Battery:
 Danger of explosion if battery incorrectly replaced.
 Replace only with the same or equivalent type recommend by
the manufacturer.
 Dispose of used batteries according to the battery
manufacturers instructions.
Joystick or MIDI port:
 Do not use any joystick or MIDI device that requires more than
10A current at 5V DC. There is a risk of fire for devices that
exceed this limit.
FCC and DOC Statement on Class B
This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of the FCC rules.
These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a residential
installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio
communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the
following measures:
 Reorient or relocate the receiving antenna.
 Increase the separation between the equipment and the receiver.
 Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
 Consult the dealer or an experienced radio TV technician for
help.
Notice:
1. The changes or modifications not expressly approved by the
party responsible for compliance could void the user's authority
to operate the equipment.
. Shielded interface cables must be used in order to comply with
the emission limits.

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Table of ontents
hapter 1
Quick Setup Guide.............................................
hapter 2
English......................................................................
hapter 3
Français (French).................................................
hapter 4
Deutsch (German)................................................
hapter 5
Español (Spanish)..................................................
5
23
38
54
70
Important:
This users manual is for the NB78-BC and NB78-BL system boards.
The only difference between these boards is the NB78-BL system
board supports onboard LAN

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Chapter - Quick Setup Guide
Table of ontents
1.1 System Board Layout..................................................................................................
1. Jumpers.....................................................................................................................................
1.3 Real Panel I/O Ports ...............................................................................................
1.4 I/O Connectors...............................................................................................................
1.5 Award BIOS Setup Utility.......................................................................................
6
8
9
13
19
Note:
The users manual in the provided CD contains detailed information
about the system board. If, in some cases, some information doesnt
match those shown in this manual, this manual should always be
regarded as the most updated version.

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1.1 System Board Layout
NB78-B
CN1
KB
Mouse
CN7
USB 1
USB 2
COM 1 (CN6)
Parallel (CN8)
COM 2 (CN2)
+12V power
(ATXP1)
43
21
CPU FSB select (JP1)
IrDA (J3)
I/O
chip
BIOS
Game/MIDI (CN9)
Line
out
(CN3)
Line
in
(CN4)
Mic
in
(CN5)
AGP Slot
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot 4
PCI Slot 5
PCI Slot 6
CD-in (J5)
2
19
10
Front
audio (J1)
AC’97
S/PDIF-out (J4)
Wake-On-LAN
(J9)
Chassis fan
(J14)
2
19
10 2
19
10
Battery
Clear CMOS
(JP2)
RESET
SPEAKER
G-SW
ATX-SW
G-LED
1
2
20
19
HD-LED
PWR-LED
J16
USB 5/6
(JUSB2)
1
FDD (J12)
IDE 2 (J11)
IDE 1 (J10)
Intel
ICH4
Intel
845PE
MCH
Socket 478
ATX
power
(PL1)
1
10
11
20
DIMM Standby
Power LED
DDR 1 DDR 2
Second fan (J15)
CPU fan (J8)
USB 3/4
(JUSB1)

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Note:
The illustrations on the following pages are based on the system
board that supports onboard LA .
NB78-BL
(Supports onboard LA )
CN1
KB
Mouse
CN7
LAN
USB 1
USB 2
COM 1 (CN6)
Parallel (CN8)
+12V power
(ATXP1)
43
21
CPU FSB select (JP1)
Realtek
RTL8100
IrDA (J3)
I/O
chip
BIOS
Game/MIDI (CN9)
Line
out
(CN3)
Line
in
(CN4)
Mic
in
(CN5)
AGP Slot
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot 4
PCI Slot 5
PCI Slot 6
CD-in (J5)
2
19
10
Front
audio (J1)
AC’97
S/PDIF-out (J4)
Wake-On-LAN
(J9)
Chassis fan
(J14)
2
19
10 2
19
10
USB 3/4
(JUSB1)
Battery
Clear CMOS
(JP2)
RESET
SPEAKER
G-SW
ATX-SW
G-LED
1
2
20
19
HD-LED
PWR-LED
J16
USB 5/6
(JUSB2)
1
FDD (J12)
IDE 2 (J11)
IDE 1 (J10)
Intel
ICH4
Intel
845PE
MCH
Socket 478
ATX
power
(PL1)
1
10
11
20
DIMM Standby
Power LED
DDR 1 DDR 2
Second fan (J15)
CPU fan (J8)
COM 2 (CN2)

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1.2 Jumpers
1.2.1 lear MOS Data - JP2
1- On:
Normal (default)
-3 On:
Clear CMOS Data
1 3
1 3
1.2.2 PUs Front Side Bus - JP1
3
1
3
1
3
1
1- On: Auto
(default)
-3 On: 100MHz
All Off: 133MHz
Important:
Overclocking may result in the processors or systems instability and
is not guaranteed to provide better system performance.
Clear CMOS
(JP2)
123
CPU FSB select
(JP1)
1
2
3

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1.3 Rear Panel I/O Ports
ATX Double Deck Ports on NB78-BL
PS/
Mouse
PS/
K/B
RJ45
LAN
USB /1 COM 1
Parallel GAME/MIDI
Line-
out Line- in Mic- in
COM
PS/
Mouse
PS/
K/B
USB
USB 1 COM 1 COM
GAME/MIDI
Line-
out Line- in Mic- in
Parallel
ATX Double Deck Ports on NB78-B

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1.3.1 PS/2 Mouse and PS/2 Keyboard Ports
Make sure to turn off your
computer prior to connecting or
disconnecting a mouse or keyboard.
Failure to do so may damage the
system board.
PS/ Mouse
PS/ Keyboard
1.3.2 Universal Serial Bus Ports and LAN Port
USB
USB 1
CN7
2
19
10 2
19
10
USB 3/4
(JUSB1)
USB 5/6
(JUSB2)
2
1
10
9
2
1
10
9
RJ45 LAN
Additional USB Ports
(USB 3 to USB 6)
1 5V_Dul 5V_Dul
3 Data- 4 Data-
5 Data+ 6 Data+
7 Ground 8 Ground
9 Key 10 OC-
Important:
Only the B78-BL system board supports onboard LA .
CN1

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1.3.3 Serial Ports
1.3.4 Parallel Port
CN6
CN2
COM 1
Serial Port COM Serial Port
Parallel Port
CN8

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1.3.5 Audio Jacks and Game/MIDI ports
2
19
10
Front audio
(J1)
2
1
10
9
CN9
Game Port
Line-out
Line-in
Mic-in
Front Audio (J1)
1 Mic+ Ground
3 Vbias 4 AuD_Vcc (Avcc)
5 AuD_R_Out 6 N. C.
7 N. C. 8 Key
9 AuD_L_Out 10 N. C.

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1.4 I/O onnectors
1.4.1 D-in Internal Audio onnectors
D-in
1 Left audio channel
Ground
3 Ground
4 Right audio channel
1.4.2 S/PDIF-out onnector
1 AVDD5
N. C.
3 SPDIF
4 Ground
CD-in
(J5)
4
3
2
1
S/PDIF-out
(J4)
1234

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1.4.4 IrDA onnector
The sequence of the pin functions on some IrDA cable may be reversed
from the pin function defined on the system board. Make sure to connect
the cable to the IrDA connector according to their pin functions.
1.4.3 Floppy & IDE Disk Drive onnector
If you encountered problems while using an ATAPI CD-ROM drive that is set
in Master mode, please set the CD-ROM drive to Slave mode. Some ATAPI
CD-ROMs may not be recognized and cannot be used if incorrectly set in
Master mode.
1 VCC
N. C.
3 IRRX
4 Ground
5 IRTX
IDE 2 (J11)
IDE 1 (J10)
40
39
1
2
40
39
1
2
1
FDD (J12)
1
2
33
34
IrDA (J3)
12345

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1.4.5 Fan onnector
3
2
1
Second fan
(J15)
Chassis fan
(J14)
3
2
1
3
2
1
CPU fan
(J8)
PU Fan
1 Ground
Power
3N. C.
hassis Fan
1 Ground
Power
3N. C.
Second Fan
1 Ground
Power
3N. C.

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1.4.7 DIMM Standby Power LED
1.4.6 Wake-On-LAN onnector
The 5VSB power source of your power supply must support ≥ 720mA.
Wake-On-LAN
(J9)
3
21
1WOL
Ground
3 +5VSB
DIMM Standby
Power LED
If the DIMM Standby Power LED is lighted, you must power-off the system
then turn off the power supplys switch or unplug the power cord prior to
installing any memory modules.

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1.4.8 Power onnectors
+12V power
(ATXP1)
43
21
ATX power
(PL1)
1
10
11
20
1
10
11
20
21
3
4
Pin
1
3
4
5
6
7
8
9
10
Function
3.3V
3.3V
Ground
+5V
Ground
+5V
Ground
PW-OK
5VSB
+1 V
Pin
11
1
13
14
15
16
17
18
19
0
Function
3.3V
-1 V
Ground
PS-ON
Ground
Ground
Ground
-5V
+5V
+5V
ATX Main Power onnector
Pin
1
3
4
Function
Ground
Ground
+1 V
+1 V
+12V Power onnector

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1.4.9 Front Panel onnectors
If a system did not boot-up and the Power/Standby LED did not light after it
was powered-on, it may indicate that the CPU or memory module was not
installed properly. Please make sure they are properly inserted into their
corresponding socket.
PWR-LED
G-SW
HD-LED
RESET
SPEAKER
2
1
20
19
ATX-SW
G-LED
Front panel
connectors (J16)
Pin
3
5
14
16
8
10
18
0
7
9
13
15
17
19
4
6
HD-LED
(Primary/Secondary IDE LED)
G-LED
(Green LED)
ATX-SW
(ATX power switch)
G-SW
(Green switch)
RESET
(Reset switch)
SPEAKER
(Speaker connector)
PWR-LED
(Power/Standby LED)
Pin Assignment
HDD LED Power
HDD
Green LED Power
Ground
PWRBT+
PWRBT-
Ground
SMI
Ground
H/W Reset
Speaker Data
N. C.
Ground
Speaker Power
LED Power (+)
LED Power (+)
LED Power (-) or Standby Signal

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1.5 Award BIOS Setup Utility
1.5.1 Main Menu
1.5.2 Standard MOS Features
Phoenix - AwardBIOS CMOS Setup Utility
Standard CMOS Features
Advanced BIOS Features
Advanced Chipset Features
Integrated Peripherals
Power Management Setup
PnP/PCI Configurations
CPU Frequency Control
Load Fail-Safe Defaults
Load Optimized Defaults
Set Supervisor Password
Set User Password
Save & Exit Setup
Exit Without Saving
Esc
F10 : Quit : Save & Exit Setup ↑↓→← : Select Item
Time, Date, Hard Disk Type...
The settings on the screen are for reference only. Your version may not be
identical to this one.
↑↓→← Move
Phoenix - AwardBIOS CMOS Setup Utility
Standard CMOS Features
Date (mm:dd:yy)
Time (hh:mm:ss)
IDE Primary Master
IDE Primary Slave
IDE Secondary Master
IDE Secondary Slave
Drive A
Drive B
Video
Halt On
Base Memory
Extended Memory
Total Memory
F6:Fail-Safe Defaults F7:Optimized Defaults
F1:General Help
Tue, Aug 6 2002
4 : 35 : 5
Press Enter None
Press Enter None
Press Enter None
Press Enter None
1.44M, 3.5 in.
None
EGA/VGA
All, But Keyboard
640K
129024K
130048K
Item Help
Menu Level
Change the day, month,
year and century
Enter:Select
F5:Previous Values
+/-/PU/PD:Value F10:Save ESC:Exit
K
K
K
K

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1.5.4 Advanced hipset Features
1.5.3 Advanced BIOS Features
Phoenix - AwardBIOS CMOS Setup Utility
Advanced BIOS Features
Item Help
Menu Level
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 alarm beep
↑↓→← Move F6:Fail-Safe Defaults F7:Optimized Defaults F1:General HelpEnter:Select
F5:Previous Values
+/-/PU/PD:Value F10:Save ESC:Exit
X
X
BIOS Flash Protect
Virus Warning
CPU L1 & L2 Cache
Quick Power On Self Test
First Boot Device
Second Boot Device
Third Boot Device
Boot Other Device
Swap Floppy Drive
Boot Up Floppy Seek
Boot Up NumLock Status
Typematic Rate Setting
Typematic Rate (Chars/Sec)
Typematic Delay (Msec)
Security Option
APIC Mode
MPS Version Control For OS
OS Select For DRAM > 64MB
HDD S.M.A.R.T. Capability
Full Screen Logo Show
Small Logo (EPA) Show
Disabled
Disabled
Enabled
Fast
Floppy
CDROM
HDD-0
Enabled
Disabled
Enabled
On
Disabled
6
250
Setup
Disabled
1.4
Non-OS2
Disabled
Enabled
Enabled
The screen above list all the fields available in the Advanced BIOS Features
submenu, for ease of reference in this manual. In the actual CMOS setup,
you have to use the scroll bar to view the fields. The settings on the screen
are for reference only. Your version may not be identical to this one.
The settings on the screen are for reference only. Your version may not be
identical to this one.
Phoenix - AwardBIOS CMOS Setup Utility
Advanced Chipset Features
DRAM Timing Selectable
CAS Latency Time
Active to Precharge Delay
DRAM RAS# to CAS# Delay
DRAM RAS# Precharge
Memory Enhancement
Memory Frequency For
System BIOS Cacheable
Video BIOS Cacheable
Delayed Transaction
AGP Aperture Size (MB)
AGP 4X Mode
By SPD
3
7
3
3
Disabled
Auto
Disabled
Disabled
Enabled
64
Enabled
Item Help
Menu Level
↑↓→← Move F6:Fail-Safe Defaults F7:Optimized Defaults F1:General HelpEnter:Select
F5:Previous Values
+/-/PU/PD:Value F10:Save ESC:Exit
X
X
X
X