Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual page 197

3 Tests and Diagnostics
When the Printer Port Mode (see settings below) is set to ECP, the DMA channel
can also be set to 1, 2 or 3. The default is 3.
LPT setting
LPT 1
LPT 2
LPT 3
Not Used
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).
For most printers, the port should be set to ECP. With some other parallel devices,
the setting should be Std. Bi-Direct.
3-82
Interrupt level
7
5
7
Disables the port
OPTIONS
DMA = Channel 3 (Default)
I/O address DMA channel
378H 3 (Parallel port default)
278H 3
3BCH 3
Satellite A20 Maintenance Manual (960-444)
3.26 SETUP