Motherboard Tyan S1598 Manual

S1598 Trinity ATX
15
INSTALL
1-F. Memory Clock
The memory clock can be set to run at the CPU
clock speed or to the AGP bus speed (normally
66MHz). The benefit of this setting is that you can
run the CPU bus at 100MHz with only 66MHz
memory by setting the memory clock jumper to
AGP.
Hardware CMOS & Password Reset
If you have been locked out of
your system because you forgot
your password or set the CMOS
incorrectly, follow the instruc-
tions below.
1. Power off the system
2. Set jumper JP13 to pins 2 and 3
3. Wait for 2 seconds, then return
jumper JP13 to pins 1 and 2.
4. Power on the system again.
By following this procedure, you
will erase your password and
reset the CMOS to the BIOS
defaults.
1-D. J3 External Pin Assignments
SOMC31PJ
tluafeD 2-1
SOMCteseR 3-2
VCC 1 2 Power LED
LED 3 4 Ground
Ground 5 6 Power On/Off
Switch 7 8 Ground
VCC 9 10 Gro un d
Receive 11 12 K/B Lock
IRRX 13 14 Ground
Ground 15 16 SMI Switch
IRTX 17 18 Ground
HDD
LED
Reset
Switch
Infrared
Pwr/Slp
LEDs
Power
Switch
SMI
Switch
J3 Side View
Pin1
Pin17
Pin2
Pin18
12 3
2NAF,1NAF DNGV21+rotinoMnaF
1-E. FAN Pin Assignments
JP8 - JP12
JP1 - JP7
J3, J4
FAN1
FAN2,
JP13
kcolCyromeM7PJ
kcolCUPC 2-1
kcolCPGA 3-2