Dell Dimension V350 - System Board

System Overview 1-9
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+3.3
P2
secondary
hard-disk drive
(uses Y-cable)
+5 VDC
–12 VDC
GND
+12 VDC
+3.3
+3.3
GND
GND
–5 VDC
–5 VDC
+5 VDC
+12 VDC
power
supply
PWRGOOD
P1
3.5-inch drives
(second drive
uses Y-cable)
3.5-inch
diskette drive
5.25-inch
drive
primary
hard-disk drive
ISA
connectors
PCI
connectors
1.5-V
converter
microprocessor
SEPP/SEC
cartridge
connector
(J4J1)
system board
P3
P5
P4
P6
+5 VSB
PSON#
power
switch
GND
PSON#
+5 VSB
battery
RTC
GND
+12 VDC
GND
+2.1–2.8 VDC
GND
KEYBD
MSE
GND
GND
+5 VDC
+5 VDC
fuse
P7
POWER
3.3
FAN1
5.25-inch
drive
GND
+5 VDC
GND
GND
+5 VDC
USB0,
USB1
fuse
+3.3
GND
BANK 0
2.1–2.8-V
converter
+1.5 VDC
DIMMs
BANK 1
BANK 2