Page 1
6ABX2
MAIN BOARD
ATX FORM FACTOR
USER'S MANUAL
( VER : 1.0 )
I
Page 2
1-1 LAYOUT REFERENCE
CPU
1
I/O
ISA3
ISA2
ISA1
PCI 4
IR1
PCI 3
PCI 1
PCI 2
SW1
1
UPPER LAYER: PS2 MOUSE
LOWER LAYER: KEYBOARD
JWOL1
COM1 COM2
PRINTER
ATX
SLOT 1
USB1
K
B1
JMDM1
BIOS
JPC1 1
TB-LED
SUSPEND SW
1
1 6
3 4
INTEL®
FW82371EB
IDE LED
SB-LINK
JRMS1
RESET
AGP
SLOT
JBAT1
SPEAKER
82443BX
DIMM1
IDE1
IDE2
J4
KEYLOCK
DIMM2
DIMM3
JRMS1
SYSFA
FA
1
1
I440BX PAGE 2
Page 3
2-2 JUMPER SETTINGS
1. CPU SPEED SETUP:
A. DIP SWITCH VERSION : SW1
CPU SPEED CLOCK
SPEED
PENTIUM® II 233MHZ
PENTIUM® II 350MHZ
PENTIUM® II 266MHZ
PENTIUM® II 400MHZ
PENTIUM® II 300MHZ
PENTIUM® II 450 MHZ
PENTIUM® II 333 MHZ
*PENTIUM® II 500 MHZ
PENTIUM® II 366 MHZ
*PENTIUM® II 550 MHZ
66MHZ
100MHZ
66MHZ
100MHZ
66MHZ
100MHZ
66MHZ
100MHZ
66MNZ
100MHZ
RATIO
3.5X
4X
4.5X
5X
5.5X
SW1
ON
1 2 3 4
ON
1 2 3 4
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
*PENTIUM® II 500 MHZ & PENTIUM® II 550 MHZ
REFERENCE ONLY
AS THEY ARE NOT AVAILABLE WHEN THIS
MANUAL IS PRINTED.
ARE FOR
I440BX PAGE 3
Page 4
B. JUMPERLESS VERSION
PLEASE MODIFY
FIRST, GO TO “
“CPU SPEED.”
3-4 CHIPSET FEATURES SETUP”
THEN, GO TO “
“CPU ”
IN “
3-4 CHIPSET FEATURES SETUP
AND SET PROPER
3-1 AWARD BIOS SETUP”
AND SAVE
THE CHANGE. THE USER DOES NOT HAVE TO SET JUMPERS.
.”
*CPU Speed”
SPEED” ACCORDING TO YOUR CPU FREQUENCY. THE SCREEN WILL
SHOW THE BELOW CHOICES:
FREQUENCY 66MHZ FREQUENCY 100MHZ MANUAL
P-II 200 υ“200MHZ(66X3)" P-II 300 υ “300MHZ(100X3) “
P-II 233 υ “233MHZ(66X3.5)” P-II 350 υ"350MHZ(100X3..5)"
P-II 266 υ “266MHZ(66X4)” P-II 400 υ"400MHZ(100X4)"
P-II 300 υ “300MHZ(66X4.5)” P-II 450 υ"450MHZ(100X4.5)"
P-II 333 υ "333MHZ(66X5)" P-II 500 υ"500MHZ(100X5)"
NOTE: "MANUAL " --- THE USER CAN MODIFY "CPU RATIO" & "CPU
FREQUENCY." YET, THIS IS NOT A FORMAL SPEC. WHEN ADJUSTING
"CPU RATIO" & "CPU FREQUENCY," PLEASE MAKE SURE THE SYSTEM
CAN WORK PROPERLY.
PRESS
“+”
OR
“
“ TO CHOOSE “ CPU
2. JBAT1: RTC - BATTERY SELECTOR
NORMAL
CLEAR CMOS
RTC 1-2 (NORMAL) 2-3(DEFAULT)
)
CUSTOMERS NEED TO CLEAR CMOS, THEN RECONFIGURE
IT IF FORGET PASSWORD FOR BIOS SETUP.
I440BX PAGE 4
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3. JRMS1: ATX POWER SWITCH
THE SYSTEM POWER IS CONTROLLED BY A MOMENTARY SWITCH
(WHEN "POWER SWITCH T YPE " IS SET T O MOMENT ARY) CONNECT ED
TO THIS LEAD. PUSHING THE BUTTON ONCE WILL TURN ON THE
SYSTEM AND PUSHING ANOTHER TIME WILL TURN OFF T HE SYSTEM.
THE SYSTEM POWER LED SHOWS THE STATUS OF THE SYSTEM'S
POWER. THIS CONNECTION DOES NOT HAVE A FUNCTION WHEN A
STANDARD POWER
4. IR1 : IR (INFRARED) CONNECTOR
PIN 1RX PIN 2
GND
NOTE :
HARDWARE JUMPER SETTING FOR IRCON/COM2 ON THIS
SETTING FOR "
UNDER "INFRA RED (IR) FUNCTION" OF "INTEGRATE D
5. OTHER JUMPER SETTINGS AND CONNECTORS :
IDE1
IDE2
J4
COM1
COM2
KB1
USB1
JMDM1
JPC1
CPUFA1
SYSFAN
J5
JWOL1
IR1 USES THE SAME I/O PORT AS COM2. THERE IS NO ANY
MAIN BOARD BUT CUSTOMERS NEED TO SET PROPER BIOS
PERIPHERALS."
: FLOPPY DISK CONNECTOR
: SERIAL PORT 1 CONNECTOR.
: SERIAL PORT 2 CONNECTOR.
: INTERNAL MODEM RING ON CONNECTOR
: CASE CONNECTOR
: CPU FAN CONNECTOR
: SYSTEM, (CASE) FAN CONNECTOR
SUPPLY IS USED.
I.R. CONNECTOR PIN OUT
PIN 3TXPIN 4
+5V
IRDA1.0
: PRIMARY IDE CONNECTOR
: SECONDARY IDE CONNECTOR
: PS/2 KEYBOARD/MOUSE CONNECTOR.
: USB (UNIVERSAL SERIAL BUS) CONNECTOR
: SB-LINK CONNECTOR
: WAKE ON LAN CONNECTOR
ASKIR
","
PIN 5
RXH
" OR "
PIN 6
VCC
STANDARD
"(DEFAULT)
PIN 7
GND
I440BX PAGE 5
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