Dell Precision 410 Service Manual page 25

PWRGOOD
PSON#
+5 VFP
+5 VDC
system
–5 VDC
power supply
+12 VDC
–12 VDC
+3.3 VDC
internal
hard-disk drive
internal
hard-disk drive
P2
internal
1
hard-disk drive
internal
1
hard-disk drive
P3
optional
2
5.25-inch drive
P4
optional
5.25-inch drive
P5
optional
5.25-inch drive
P6
3.5-inch
3
diskette drive
1
The mini tower chassis supports the installation of up to four internal hard-disk drives.
The desktop chassis supports the installation of up to two internal hard-disk drives.
2
The mini tower chassis supports up to three externally accessible 5.25-inch drives. The desktop
chassis supports up to two externally accessible 5.25-inch drives.
3
In the desktop chassis, power for the 3.5-inch diskette drive is provided by the P6 connector. In
the mini tower chassis, power for the 3.5-inch diskette drive is provided through a combination
DC power/interface cable which connects to the system board at the DSKT2 connector.
keyboard
controller
+3.0 VDC
power
management
logic
P1
POWER1
PSON#
+5 VFP
+5 VDC
–5 VDC
+12 VDC
–12 VDC
+3.3 VDC
main
memory
DIMM_A
DIMM_B
DIMM_C
DIMM_D
2.5-V
1.5-V
converter converter
SLOT1_PRI
+1.8–2.8 VDC
+2.5 VDC
+1.5 VDC
SLOT1_SEC
+1.8–2.8 VDC
+2.5 VDC
+1.5 VDC
system board
battery
RTC/
NVRAM
+5 VDC
+12 VDC
–12 VDC
+5 VDC
–5 VDC
+12 VDC
–12 VDC
+5 VDC
+12 VDC
–12 VDC
+3.3 VDC
+12 VDC
+5 VFP
+5 VDC
FUSE
+5 VDC
FUSE
+5 VDC
+5 VDC
processor
core regulator
System Overview
AGP
ISA1
PCI1
through
PCI5
FAN
PANEL
USB
KYBD
MOUSE
1-15