http://www.tyan.com
13
J14: Onboard Buzzer/Speaker Header
Closed Pin-3 and 4 (Default)
- Onboard Buzzer
enabled
Open Pin-3 and 4
– Disable onboard buzzer or
connect to chassis speaker.
J25 & J140: USB Front Panel Headers
Use these headers to connect to chassis front panel
USB connectors.
Signal
Pin
Pin
Signal
VCC
1 2
VCC
Data -
3 4
Data -
Data +
5 6
Data +
GND
7 8
GND
KEY
9 10
GND
J42: COM2 Header
Use these pin definitions to connect a port to COM2.
Signal
Pin
Pin
Signal
Data Carrier Detect
1 2
Data-Set-Ready
Receive-Data
3 4
Request-to-Send
Transfer-Data
5 6
Clear-to-Send
Data Terminal Ready
7 8
Ring-Indicator
Ground
9 10
NC/KEY
J77: INTR-Chassis Intrusion Header
Pin1: Case Open
Pin2: GND
J53: PCI-X Slot & TARO Connector Bus Speed Override
Open-(Default) Allows PCI-X slot and the TARO slot to
operate at up to 100MHz (Maximum one PCI-X 100
device)
Closed-Forces PCI-X slot and the TARO slot to operate
at a maximum bus speed of 66MHz.
Содержание S2891
Страница 6: ...http www tyan com 6 NOTES...
Страница 9: ...http www tyan com 9 2 2 Block Diagram Thunder K8SRE S2891 Block Diagram...
Страница 12: ...http www tyan com 12 J14 J25 J140 J42 J77 J53...
Страница 16: ...http www tyan com 16 FAN8 FAN9 FAN6 FAN5 FAN2 FAN1 FAN7 FAN3 FAN4...
Страница 34: ...http www tyan com 34...
Страница 58: ...http www tyan com 58...
Страница 71: ...http www tyan com 71...