Input/Output Connectors and Expansion Slots
The following illustration shows the expansion slots and the input/output connectors (ports) on the rear of the server.
ISA Expansion Slots The server has one industry standard architecture (ISA) expansion slot.
Many adapters provide bus-master capabilities, which enable the adapters to perform operations without interrupting the system microprocessors.
Keyboard Connector: The keyboard cable connects here.
Mouse Connector: The mouse cable connects here. This port sometimes is called an auxiliary-device or pointing-device port.
Serial Connectors: Serial signal cables for modems and other serial devices connect here to the two 9-pin serial connectors, ports A and B. See 'Devices and I/O Ports' for port assignment information. If you are using a 25-pin signal cable, you need a 9-pin-to-25-pin adapter cable.
Video Connector: The monitor signal cable connects here.
NetBAY3: The tower model of the Netfinity 5500 comes with a NetBAY3 attached. You can install devices, such as the IBM EXP10 or a power distribution unit, in the NetBAY3. Refer to 'Installing Devices in the NetBAY3' for more information.
Management C Connector: This connector is used to attach a modem that is dedicated to communication with the system management processor.
Parallel Connector: A signal cable for a parallel device, such as a printer connects here.
Universal Serial Bus Connectors: You can attach I/O devices to these two universal serial bus (USB) connectors. You need a 4-pin cable to connect devices to USB 1 or 2.
Note: If a standard (non-USB) keyboard is attached to the keyboard port, the USB ports are disabled while the power-on self-test (POST) is running and no USB devices will work during POST.
Ethernet Connector: The server has one RJ-45 Ethernet connector. This connector is for attachment of the network to the integrated 10BASE-T or 100BASE-TX, twisted-pair transceiver.
Expansion Slots: The server has one industry standard architecture (ISA) expansion slot and six peripheral component interconnect (PCI) expansion slots. Four of the PCI slots support hot-plug PCI adapters.
You can install PCI or ISA adapters. Many adapters provide bus-master capabilities, which enable the adapters to perform operations without interrupting the system microprocessors.
Attention Lights for Hot-Plug PCI Slots: Each hot-plug PCI slot has an Attention light that is visible from the rear of the server. An Attention light flashes approximately once per second when it is on. The meaning of the Attention lights is defined by the operating system. Refer to the operating system documentation to determine if it supports hot-plug PCI adapters and, if so, what the Attention lights indicate.
Power Connector: The power cord for power supply 1 connects here. (The power connector for the additional optional power supply is covered by the filler panel.)
External Connector Knockout: The server has three external connector knockouts that can be used when you install options, such as the external SCSI cable option.
The 5500-M20 Type 8662 server has only one external connector knockout that can be used when installing options.
The lower Connector Knockout (see artwork) is used for the Management RS-485 Connector
This connector is for connecting rack or multirack systems through a daisy-chain cable in half-duplex mode.
The top, left Connector Knockout (see artwork) is used for the SCSI Connector External SCSI devices attach here.
Note: For pin assignments and other details about these connectors, see 'External Options'.
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