22
85DR-C
1 4
DIMM1
DIMM2
1
mPGA478B
Intel RG82845-D
Intel RG82845
1 3
FAN2
1 3
FAN3
1 3
FAN1
AGP 4X
PCI 1
PCI 2
PCI 3
PCI 4
PCI 5
PCI 6
FWH
WOL1
1 3
LPC I/O
Controller
AC'97
Codec
CNR
SW1
ON
DIP
1 2 3 4 5
IDE2
IDE1
1
1
1
FDC1
Li
Battery
82801BA
JBAT1
1 3
JP3
JP4
1 3
1 3
JP13
1 3
JP2
1 3
1 3
1 3
RT2
RT1
Peripheral Power Connector
+12 Power Connector
4 3
2 1
Main Power Connector
USB1
1
16
PS/2
MOUSE
PS/2
K/B
upper
lower
USB1
USB0
upper
lower
LPT1
COM1COM2
MIC
GAME/MIDI PORT
LINE
OUT
LINE
IN
NJP1
SPEAK RST KEYLOCKPWR/LED SUS_LED
IDE_LED IR PWR SMI
30
1
++
--
+
-
CD9
CD10
1 4
JAGP1
JAGP2
LED1
SCR1
CMEM1
1
2-6 Jumper and Switch Settings
• The following diagrams show the locations and settings of jumper blocks
on the mainboard.
ON
DIP
SW1
On
Off
1 2 3 4 5
CPU Clock Select
S1 S2 S3 S4 S5CPU clock (MHz)
100
(Default)
103
105
111
130
133
off
on on on on
on
on on on
on on on
on
on on
on on
on on on on
off
off
off
off off
off
off off
off
* Off On On On On (Default)
Clear CMOS Data
Retain Data (Default)
JBAT1
JBAT1
3
1
3
1
Clear CMOS Data
2.6V
2.7V
2.8V
Memory Module Voltage Select
2.5V
(default)
13
13
JP3
JP4
13
13
JP3
JP4
13
13
JP3
JP4
13
13
JP3
JP4
1.6V
1.7V
1.8V
Voltage AGP Select
1.5V
(default)
13
13
JAGP1
JAGP2
13
13
JAGP1
JAGP2
13
13
JAGP1
JAGP2
13
13
JAGP1
JAGP2
Only for factory
test.
Factory Test
JP2
13
Memry Stick Reader (Default)
Secure Digital Memory Card
Reader
JP13
JP13
31
31
Memory Stick/Secure Digital Memory Card
Reader Select