NCR RealPOS 80c, Руководство пользователя

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2-4 Chapter 2: Hardware Installation
Dual Port Keyboard/Mouse Installation
The RealPOS 7456 supports both PS/2 and dual port (PS/2 - USB)
keyboards. A dual port keyboard or mouse can be connected to either
the PS/2 connector or to a USB connector using an adapter cable.
The connection for dual-port devices varies, depending on which USB
Daughter Card is present. If you are connecting the keyboard or mouse
to a USB port, connect the device as follows:
19806
Mic Audio
Out
E D C B A 24V
Use Port C, D, or E
E D C B A 24V
6-Port USB Daughter Card 4-Port USB Daughter Card
Use Port A, B, C, or 24 V
Mouse Installation Restriction
The mouse and UPS share the same IRQ. Therefore, if a mouse is
installed, it must be enabled in the BIOS and the UPS must be moved
to another available IRQ, or disabled if not being used.