Toshiba Tecra M2 Maintenance Manual - Page 202
Std. Bi-direct, Tests and Diagnostics, SETUP
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3 Tests and Diagnostics 3.29 SETUP 10. I/O ports This option controls settings for the parallel port. NOTE: Do not assign the same interrupt request level and I/O address to the serial port and PC card. (a) Serial Use this option to set the COM level for the serial port. The serial port interrupt request level (IRQ) and I/O port base address for each COM level is shown below: COM level COM1 COM2 COM3 COM3 COM3 COM4 COM4 COM4 Not Used Interrupt level 4 3 4 5 7 3 5 7 Disables port I/O address 3F8H 2F8H 3E8H 3E8H 3E8H 2E8H 2E8H 2E8H (Serial port default) (b) Parallel This option sets the interrupt request level (IRQ) and I/O port base address for the parallel port. When the "Parallel Port Mode" is set to Std. Bi-direct, the options are: LPT setting LPT 1 LPT 2 LPT 3 Not Used Interrupt level 7 5 7 Disables port I/O address 378H 278H 3BCH 3-88 TECRA M2 Maintenance Manual (960-468)