IBM 8478 Hardware Maintenance Manual - Page 85
Parallel, connector
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Table 8. Keyboard connector pin-number assignments (continued) Pin I/O Signal 6 N/A Reserved Parallel connector Your server has one parallel connector. This connector supports three standard Institute of Electrical and Electronics Engineers (IEEE) 1284 modes of operation: standard parallel port (SPP), enhanced parallel port (EPP), and extended capability port (ECP). Viewing or changing the connector assignments: You can use the built-in Configuration/Setup Utility program to configure the parallel connector as bidirectional; that is, so that data can be both read from and written to a device. In bidirectional mode, the server supports the ECP and EPP modes. Complete the following steps to view or change the parallel-connector assignment: 1. Restart the server and watch the monitor screen. 2. When the message Press F1 for Configuration/Setup appears, press F1. 3. When the Configuration/Setup Utility menu appears, select Devices & I/O Ports; then, press Enter. 4. Select the parallel connector; then, use the arrow keys to advance through the settings available. Note: When you configure the parallel connector as bidirectional, use an IEEE 1284-compliant cable. The cable must not exceed 3 meters (9.8 feet). 5. Press Esc twice to return to the Configuration/Setup main menu; then, select Save & Exit Setup to exit from the Configuration/Setup Utility main menu. Parallel connector: There is a 25-pin, female D-shell parallel connector on the rear of your server, see "I/O connector locations" on page 72 for the location of this connector. The following table shows the pin-number assignments for the parallel connector. 13 1 25 14 Chapter 5. Installing options 75
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