What does hotel front office PNP mean?

It is a service platform for the hotel business. Based on the plug-and-play card insertion method, the service platform can be operated directly on the computer.

PNP: Plug and Play, plug and play, it is an important technical feature of Window98. The so-called plug-and-play refers to a technology in which the operating system automatically sets the system structure when a PC plug-in card and other peripheral devices that comply with the PNP standard are installed into the computer. This means that when users install new hardware, they no longer have to set any jumper switches or configure interrupt requests (IRQs), memory addresses or direct memory access (DMA) channels in software. Windows 98 will notify the application. New changes in hardware devices and automatically reconcile conflicts between IRQs, memory addresses, and DMA channels.

PnP means plug and play.

Before the emergence of PnP technology, the allocation of interrupts and I/O ports was done manually. If you want this sound card to occupy interrupt 5, just find a small jumper and mark the interrupt on the card. Insert pin 5. Such an operation requires the user to understand the knowledge of interrupts and I/O ports, and to be able to allocate interrupt addresses by themselves without conflict. It is unrealistic to make such a requirement for ordinary users.

PnP technology is used to solve this problem. PnP technology will automatically find a non-conflicting interrupt and I/O address and assign it to the external device without manual intervention at all. But if you understand the above part about interrupt conflicts, you should understand that today, when interrupt resources are very tight, even PnP technology may not be able to find a suitable interrupt to assign to the device you just plugged in, so Try to release unnecessary interrupts as much as possible, which is also very helpful for the normal operation of PnP.

Some PnP conflicts arise from the design of the motherboard. Many motherboards have one AGP slot, five PCI slots and two ISA slots, and the AGP slot generally uses the same interrupt as a PCI slot, that is, the interrupts of these two slots. It can be any reasonable value, but it must be the same. When you insert a graphics card in the AGP slot, and if you also insert a sound card in the PCI slot with the same interrupt, there will definitely be an interrupt conflict. For most motherboards with five PCI slots, the first and fifth slots are connected to the AGP slot, and the fourth slot is connected to the USB slot. Although this can be determined in the BIOS In the settings, interrupts are forced to be assigned to each PCI slot, but this is a difficult task for most users, and since the second and third slots do not share interrupts with other devices, so in In most cases, the graphics card is plugged into the AGP slot, and the sound card and other PCI cards, such as network cards, should be plugged into the second and third PCI slots, which are the second ones from the AGP slot to the ISA slot. and the third PCI slot, so that these cards can work normally without changing the PnP settings in the BIOS.

In the "PNP/PCI CONFIGRATION" in the BIOS, there is a "PNP OS Installed" item, which should be set to "Yes" so that your Windows can get the PnP settings of the BIOS.