Diamond Systems PR-Z16-LC-ST Panel Board Power Connections, J12 pinout to/from DC/DC power supply

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12.5 Panel Board Power Connections

Prometheus-LC requires only +5V for operation. The panel boad is simply a connector board and requires no power. Make sure that the power supply used has enough current capacity to drive your system. The Prometheus-LC CPU requires up to 1.1A. If you have a disk drive or other modules connected, you need additional power. In particular, many disk drives need extra current during startup. If your system fails to boot properly, or if disk accesses do not work properly, the first thing to check is the power supply voltage level. Many boot-up problems are caused simply by insufficient voltage due to excess current draw on the +5V supply.

The panel board has two external input power connectors, J11 and J13, to satisfy a variety of input power scenarios.

J11 is a circular jack with a 2.5mm post. This connector is intended for direct 5VDC +/-5% input from the Diamond Systems PS-5VUS-01 wall adapter or an equivalent supply. The polarity for the power connector is tip = +5V, ring = Ground.

J13 is a DB9 male connector with multiple input voltages and applications. If a latching connector is required, the DB9 can be used in place of the circular jack to provide +5VDC.

If multiple system voltages are required, for example +5V, -5V, +12V, and/or -12V, these voltages can be supplied through J13 as well. The +5V and +12V are controlled by the CPU’s ATX power circuit, while the -5V and -12V are connected directly to the PC/104 bus pins.

J13 can also be used with a DC/DC power supply, such as Diamond Systems’ Jupiter-MM modules, in applications where the supply voltage is different from the required +5V. In this scenario, the input voltage is fed to the DB9 and routed to the power supply with cable connected between the supply and connector J5 or J12 on the bottom side of the panel board.

J5 is used when the power is to be routed from the output of the power supply directly onto the PC/104 bus through the PC/104 bus connectors on the power supply. In this application use the 2-wire power cable no. 698011. This cable contains a blue positive wire and a black negative wire. Connect the blue wire to the + screw terminal on the JMM power supply input connector and connect the black wire to the – terminal. Either J4 or J5 on the JMM board may be used for the power connection.

J12 is used when the supply voltages are intended to be switched by the ATX circuit on Prometheus. In this application the input and output of the power supply are connected to J12. The +5V and +12V are controlled by the ATX function, while the -5V and -12V are connected directly to the PC/104 bus pins.

1

2

3

4

5

6

7

8

9

10

-12V In

-5V In

Ground

+5V In

+5V In

+12V In

Ground

Power Input

Ground

Shutdown/ATX

J12 pinout (to/from DC/DC power supply)

Prometheus-LC CPU User Manual V1.0

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Contents PROMETHEUS-LC Table of Contents 12.3 12.112.2 12.4Description Features System FeaturesProcessor Section PROMETHEUS-LC Board Drawing J4 Not presentCable a Main I/O Connector J3O Headers Cable BConnector Part Numbers COM1 COM4Input Power J11 Output Power J12 USB J5Auxiliary Serial Port Connector J15 Watchdog/Failsafe Features J6Floppy Drive J7 IDE Drive J8PC/104 Bus Connectors J2 PC/104 16-bit bus connector J1 PC/104 8-bit bus connectorJumper Configuration System Configuration J10Watchdog Timer & System Recovery J6 System Features System ResourcesCPU Chip Selects Console Redirection to a Serial Port Watchdog Timer System Reset Failsafe Mode / Bios RecoveryBackup Battery Flash MemoryBios Features Bios SettingsBios Download / Recovery GroundInitial Setup DISK-ON-BOARD Flash File StorageOperating System Formatting Known Limitations Life Cycle Management and CalculationsSystem I/O Serial PortsParallel Port Installing an OS From a Floppy Drive onto a Flashdisk Module Installing an OS from a Hard Disk onto a Flashdisk Module Power Supply ConfigurationUsing the Flashdisk with Another IDE Drive Flashdisk Module12. I/O Panel Board DescriptionLocation Type Description Panel Board I/O ConnectorsPanel Board Top Side / External Use I/O Connectors Panel Board HardwarePanel Board Power Connections J12 pinout to/from DC/DC power supplyJ3 Pinout J9 Pinout Installation J5 USBFlash Disk Programmer Board 14.I/O Cables Photo No Cable No DescriptionCable Kit C-PRZ-KIT VGA Accessory Board PL5 pin no PL5 Signal J25 pin no J25 SignalPL5 pin no DB15F pin no Signal Connector on Board Manufacturer Manufacturer Part No Mounting PROMETHEUS-LC on a BaseboardWebsite information Page 17.PC/104 Mechanical Drawing

Low-Power PC/104 CPU Board With ZFx86 Processor, PR-Z16-LC-ST specifications

The Diamond Systems Low-Power PC/104 CPU Board featuring the ZFx86 Processor, specifically the PR-Z16-LC-ST model, represents a significant advancement in embedded computing technology. This CPU board is designed to deliver robust performance while maintaining low power consumption, making it ideal for a wide array of industrial and embedded applications.

One of the standout features of the PR-Z16-LC-ST board is its ZFx86 Processor. This processor family is built with a focus on energy efficiency and low thermal output, which is crucial for applications where heat dissipation can be a challenge. The ZFx86 provides an excellent balance between processing power and energy consumption, featuring a 16-bit instruction set that facilitates compatibility with many existing software applications.

This board supports a variety of operating environments, including DOS, Linux, and Windows, ensuring versatility for developers. Its design includes a compact PC/104 form factor, which allows for streamlined stacking of multiple boards. This modularity is beneficial for system integrators looking to create customized solutions with limited space.

In terms of connectivity, the PR-Z16-LC-ST is equipped with a wide range of I/O ports. This includes digital and analog inputs and outputs, serial communication ports, and support for various peripheral devices. Such features make it a suitable choice for tasks such as data acquisition, control systems, and automation processes.

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In summary, the Diamond Systems PR-Z16-LC-ST Low-Power PC/104 CPU Board with ZFx86 Processor combines efficiency with a robust feature set. Its low power consumption, modular design, and extensive connectivity options make it an attractive solution for developers in the embedded computing space seeking reliable performance in compact configurations.
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