Block descriptions
UM1585
Doc ID 023872 Rev 1
4.1.1 Power
LEDs
A low-power supervisory device monitors the power supplies and generates a reset signal.
4.2
Dynamic memory subsystem
Five Micron DDR3 chips (MT41J256M8) are used: four for data (32-bit width), and one for
ECC.
Total size available is 4 chips x 32 Mb x 8 x 8 banks = 1 Gbyte.
VDD3V3_HOST
PCIe x1 connectors
+12V_HOST
PCIe x1 connectors
Table 1.
Common power rails (continued)
Name
Use
Jumper
for current
measurement
Table 2.
Power LEDs
Ref. Des.
Description
D11 red
5 volt fault: undervoltage or overvoltage on +5V
D13 green
5 volt: +5V
D12 green
1.2 volt: VDD1V2
D14 green
1.5 volt: VDD1V5
D17green
1.8 volt: VDD1V8
D16 green
2.5 volt: VDD2V5
D15 green
3.3 volt: VDD3V3