54 RS/6000 43P 7043 Models 150 and 260 Handbook
For more detailed technical information about the CD-ROM drive, refer to
Table 30 on page 122.
3.1.1.6 Standard I/O Ports
The system provides the following standard I/O ports:
Keyboard port The optional Quiet Touch Keyboard may plug into this
port.
Mouse port A port is provided to support an optional three-button
mouse.
Table t por t If required, a tablet can be connected.
Serial port Two 9-pin D-shell serial connectors are available for
external RS232 access.
Parallel port One 25-pin parallel port is provided that maintains
complete compatibility with machines containing ISA,
EISA, and Micro Channel parallel ports.
3.1.1.7 PCI Adapter Slots
The Model 150 contains five 32-bit PCI slots. Following is a brief description
according to their slots number.
• Slots 1 and 5 are short slots
• Slots 2, 3, and 4 are long slots
• Slots 2, and 3 are connected to the primary PCI bus on the planar
• Slots 1, 4, and 5 are on the secondary PCI bus provided by the bridge chip
on the riser card.
Figure 21. RS/6000 43P 7043 Model 150 - Rear View
Thick Connector Twisted-Pair Connector