Toshiba Satellite A40 Maintenance Manual - Page 192
Std. Bi-direct, Not Used, are Channel 1and Channel 3 Default.
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3.23 SETUP 3 Tests and Diagnostics 9. 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 PC card. This option sets the interrupt request level and I/O port base address for the parallel port. When the parallel port mode is set to Std. Bi-direct, the options are as follows: LPT setting LPT 1 LPT 2 LPT 3 Not Used Interrupt level 7 5 7 I/O address 378H 278H 3BCH Disables port When the parallel port mode (see settings below) is set to ECP, the DMA channel can also be set to 1 or 3. The default is 3. LPT setting LPT 1 LPT 2 LPT 3 Not Used Interrupt level 7 5 7 I/O address 378H 278H 3BCH Disables port DMA channel 3 (Default) 3 3 When you select one of the above options, except for Not Used, a subwindow similar to the one below appears to let you set the DMA. The options for this setting are Channel 1and Channel 3 (Default). OPTIONS DMA = Channel 3 (Default) For most printers, the port should be set to ECP in Peripheral. With some other parallel devices, the setting should be Std. Bi-Direct. Satellite A40 Maintenance Manual (960-458) 3-65
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