dell latitude d505 series User Manual

System Board: Dell Latitude D505 Series Service Manual
8.  Remove the speakers. 
9.  Remove the two M2.5 x 5-mm screws labeled B. 
 
1 M2.5 x 5-mm screws labeled B (2) 63PDH
2 system board W3344
10.  Turn over the computer and remove the four M2 x 4-mm screws labeled B \
that  secure the system board to the computer base. 
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System Board: Dell Latitude D505 Series Service Manual
 
1 M2 x 4-mm screws labeled B (4) 98MKC
11.  Gently push down near the middle of the back plastic computer base so th\
at the  two system-board securing clips clear their slots, and then pull out the\
 system 
board. 
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System Board: Dell Latitude D505 Series Service Manual
 
1 system-board securing clips (2)
Installing the System Board 
1.  Follow all of the steps in Removing the System Board in reverse order. 
NOTICE: Before turning on the computer, replace all screws and ensure that no 
stray screws remain inside the computer. Failure to do so may result in \
damage 
to the computer. 
2.  Turn on the computer. 
NOTE: After replacing the system board, enter the computer Service Tag into 
the BIOS of the replacement...

System Board: Dell Latitude D505 Series Service Manual
into the appropriate drive. Follow the instructions that appear on the s\
creen. 
Back to Contents Page
 
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Flashing the BIOS: Dell Latitude D505 Series Service Manual
Back to Contents Page 
Flashing the BIOS 
Dell™ Latitude™ D505 Series Service Manual
1.  Ensure that the AC adapter is plugged in and that the main battery is in\
stalled properly. 
NOTE: If you use a BIOS update program CD to flash the BIOS, set up the 
computer to boot from a CD before inserting the CD. 
2.  Insert the BIOS update program floppy disk or CD, and turn on the comput\
er. 
Follow the instructions that appear on the screen. The...

Pin Assignments for I/O Connectors: Dell Latitude D505 Series Service Ma\
nual
Back to Contents Page 
Pin Assignments for I/O Connectors 
Dell™ Latitude™ D505 Series Service Manual
  USB Connector
  Video Connector
  Parallel Connector
  S-Video TV-Out Connector
  Serial Connector
  IEEE 1394 Connector
USB Connector
 
Pin Signal
1 USB5V+
2 USBP–
3 USBP+
4 GND
Video Connector
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Pin Assignments for I/O Connectors: Dell Latitude D505 Series Service Ma\
nual
 
Pin Signal PinSignal
1 CRT_R 95V+
2 CRT_G 10GND
3 CRT_B 11MONITOR_DETECT–
4 NC 12DDC_DATA
5 GND 13CRT_HS
6 GND 14CRT_VS
7 GND 15DDC_CLK
8 GND   
Parallel Connector
 
Pin Signal PinSignal
1 STROBE– 10ACK–
2 PD0 11BUSY
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Pin Assignments for I/O Connectors: Dell Latitude D505 Series Service Ma\
nual
3PD1 12PE
4 PD2 13SLCT
5 PD3 14AFD/3M–
6 PD4 15ERROR–
7 PD5 16INIT–
8 PD6 17SLIN–
9 PD7 18–25GND
S-Video TV-Out Connector
 
S-Video
Pin Signal
1 GND
2 GND
3 DLUMA-L
4 DCRMA-L
Composite Video
Pin Signal
5 NC
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Pin Assignments for I/O Connectors: Dell Latitude D505 Series Service Ma\
nual
6DCMPS-L
7 GND
Serial Connector
 
Pin Signal PinSignal
1 DCD 6DSR
2 RXDA 7RTS
3 TXDA 8CTS
4 DTR 9RI
5 GND   
IEEE 1394 Connector
 
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Pin Assignments for I/O Connectors: Dell Latitude D505 Series Service Ma\
nual
PinSignal
1 TPB–
2 TPB+
3 TPA–
4 TPA+
Back to Contents Page
 
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