94
Chapter 5
SATA1~6: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest date transfer rates (6.0 Gb/
s), simpler disk drive cabling and easier PC assembly. It eliminates limitations of the current Parallel ATA
interface. But maintains register compatibility and software compatibility with Parallel ATA.
F_USB1~4: Front Panel USB 2.0 headers
The motherboard has four USB 2.0 ports installed on the rear edge I/O port array. Addition-ally, some
computer cases have USB 2.0 ports at the front of the case. If you have this kind of case, use auxiliary USB
2.0 connector to connect the front-mounted ports to the motherboard.
NOTE:
Please make sure that the USB cable has the same pin assignment asindicated above. A different pin
assignment may cause damage or systemhang-up.
Pin
Signal Name
Pin
Signal Name
1
Ground
2
TX+
3 TX-
4 Ground
5 RX-
6 RX+
7 Ground
Pin
Signal Name
Function
1
USBPWR
Front Panel USB Power
2
USBPWR
Front Panel USB Power
3
DATA0-
USB Port 0 Negative Signal
4
DATA1-
USB Port 1 Negative Signal
5
DATA0+
USB Port 0 Positive Signal
6
DATA1+
USB Port 1 Positive Signa
7
GND
Ground
8
GND
Ground
9
NC
Not connected
10
USB DET
USB DET
Summary of Contents for Aspire M3450
Page 1: ...Acer Aspire M3450 Service Guide PRINTED IN TAIWAN ...
Page 13: ...Chapter 1 5 Block Diagram ...
Page 67: ...59 Chapter 3 3 Lock the CPU cooler 4 Connect the cooler cable to the main board ...
Page 74: ...Chapter 3 66 Install the I O Shielding 1 Install I O shielding into chassis ...
Page 89: ...81 Chapter 3 Install the Side Panel 1 Install the side Panel then fix two Screws ...
Page 97: ...Chapter 5 89 M B Placement Jumper and Connector Information Chapter 5 ...