Annex

Annex

Electrical Properties

Loadability for connections and fuses

i

Make sure that the connected devices do not overload the connections.

 

 

 

 

 

 

Fuse No.

Fuse

Connection

Maximum loadability

 

1

750 mA

Keyboard

Not specified

 

 

 

Mouse

Not specified

 

 

 

VGA connector

Minimum 50 mA

 

2

500 mA

USB port A

500 mA

 

 

 

 

 

 

3

500 mA

USB port B

500 mA

 

4

500 mA

USB port C

500 mA

 

5

500 mA

USB port D

500 mA

 

 

 

 

 

 

6

500 mA

USB port E

500 mA

 

7

500 mA

USB port F

500 mA

The fuses on this mainboard can be used several times (polyfuses). Shortly after the error state has been eliminated, the fuses reset to the original state.

Mainboard current requirement

You require a Pentium4 power supply nit as per the ATX12V specification for this mainboard. If you do not have a PC from Fujitsu Siemens Computers, make sure that the power supply unit provides the required amperages.

Source

Voltage

Maximum

Maximum current

 

 

difference

 

ATX12V power supply

+12 V

±5 %

3 -6 (8) A

ATX12V power supply

-12 V

±10 %

0,05 A

ATX12V power supply

+5,0 V

±5 %

0,9 A

ATX12V power supply

+3,3 V

±5 %

2,2 (3,4) A

Standby voltage of power

+5.0 V SB

±5 %

0.35 (2) A

supply unit

 

 

 

The specifications apply to the onboard components and represent the least favourable case. In addition, at least 350 mA is required for PCI on 3.3 V, and 500 mA per connected device for USB on 5 V.

A26361-D1522-Z120-3-6319

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Fujitsu D1522, D1521 Annex, Electrical Properties, Loadability for connections and fuses, Mainboard current requirement

D1522, D1521 specifications

Fujitsu's D1521 and D1522 are robust, high-performance motherboards designed for enterprise solutions and industrial applications. These models reflect a commitment to reliability and versatility, making them ideal for a wide range of computing environments, including data centers, servers, and workstations.

The D1521 motherboard features an Intel chipset and supports Intel Core processors, delivering powerful computing performance. Its form factor, typically ATX, allows for ample expandability and connectivity options, which are crucial for modern enterprise applications. The D1521 includes multiple PCIe slots that facilitate the integration of additional graphics cards and other expansion cards, ensuring that users can customize their systems according to their specific needs.

On the other hand, the D1522 is tailored for environments that require enhanced graphical processing capabilities. This model supports advanced graphics cards and is optimized for high-performance visual computing tasks. The D1522's architecture ensures seamless support for modern applications, including those utilizing artificial intelligence and machine learning, thanks to its ability to handle large datasets efficiently.

Both models are equipped with DDR4 memory slots, allowing for significant memory bandwidth and capacity. This supports multitasking and intensive applications, which are increasingly common in modern enterprise workloads. With support for up to 64GB of RAM, these motherboards can efficiently handle demanding applications without compromising performance.

Storage options on the D1521 and D1522 are designed to accommodate the growing need for fast data access. They feature several SATA ports for traditional drives and M.2 slots for the latest NVMe SSDs. This combination allows for rapid read and write speeds, further enhancing overall system performance.

In terms of networking, both motherboards support advanced connectivity standards, including 1GbE Ethernet ports for reliable data transmission. This is essential for businesses that rely on fast, stable network connections.

Fujitsu has also emphasized energy efficiency in the design of the D1521 and D1522. These motherboards utilize power-saving technologies that reduce overall power consumption without sacrificing performance. This focus on sustainability is increasingly important as enterprises aim to reduce their carbon footprint.

In summary, Fujitsu's D1521 and D1522 motherboards are feature-rich solutions that cater to the demanding needs of modern computing. Their powerful processors, expandability, and high-performance storage and memory options make them suitable for a variety of enterprise applications, solidifying Fujitsu's reputation as a leader in innovative technology solutions.