Athena III User Manual Rev A.03
www.diamondsystems.com
Page
20
6. CONNECTORS
This section describes the on-board Athena III connectors.
Note:
All cables mentioned in this chapter are included in
Diamond Systems’ cable kit C-ATHE-KIT.
Some cables are also available individually.
6.1
External Battery (J2)
Connector J2 is used to connect an external battery for maintaining the Real-Time Clock and the CMOS settings
(BIOS settings for various system configurations). The battery voltage for this input should be 3-3.6VDC. The
current draw averages under 4µA at 3V.
1
Battery input (+)
2
Ground
Connector on board:
Tyco 640457-2 right-angle friction lock pin header or equivalent
6.2
SATA (J3)
The SATA connector is an industry-standard vertical connector.
1
Ground
2
T
3
Transmit-
4
Ground
5
Receive-
6
7
Ground
Connector type:
SAMTEC
J2 External Battery Connector (end view)