TYAN THUNDER HESL-T, Manual

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2.1 – Jumper Section
Pin outs for certain connectors are available on the TYAN website: http://www.TYAN.com
2.2 – Front Panel Connector (J26)
17 15 13 11 9 7 5 3 1
18 16 14 12 10 8 6 4 2
1,3: HD LED
2,4: Power LED
5,7: Reset Switch
6,8: Power Switch
2.3 – CMOS Reset (JP8)
1 2
1,2: Connect these two pins together to reset the CMOS settings in case an incorrect
setting causes system instability or you have forgotten your system/setup password.
- Power off the system and disconnect the power supply.
- Close pins 1 and 2 on JP8
- Wait about 5 seconds
- Open pins 1 and 2 on JP8
- Reconnect the power supply and power on the system
2.4 – Force 33MHz Click for PCI Bus 1 (JP12)
1 2 Closed: All devices on PCI Bus1 (slots J31, J32, J33) will run at 33MHz Only.
Open (default): PCI Bus1 can run at 66MHz or 33MHz. Actual speed is determined
by the PCI card(s) plugged into J31/J32/J33. If any card is only 33MHz capable, all
cards in Bus1 will run at 33MHz. If all cards support 66MHz, or if no cards are
installed, then Bus1 will run at 66MHz.