User`s guide

Figure 3–16 System Reset and Initialization
74ACT244
sys_reset1_l
sys_reset2_l
sys_reset3_l
sys_reset4_l
AlphaPC64.36
U29
rst_l
cpu_dcok
cpu_reset
- PCI-to-ISA Bridge
- PCI Interrupt
Controller
- 21071-DA
- 21071-CA
- 21071-BA
- 21064A
Reset Functions:
b_dcok
J31
J14
Power
Sense
OR
Gate
OR
Gate
NOR
Gate
sense_dis
+3 V dc
pre_reset
J3
Reset
Switch
AlphaPC64.4 AlphaPC64.37
AlphaPC64.4
fan_ok_l
p_dcok
p_dcok
Fan Sensor
dc Power
AlphaPC64.37
b_dcok
AlphaPC64.37
button_1
pre_reset
LJ-04144.AI5
3–42 Functional Description