Toshiba M1 manual No Drive, Address DMA channel

3 Tests and Diagnostics 3.29 SETUP

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	Interrupt level	I/O address	DMA channel
LPT 1	7	378H	3	(Parallel port default)
LPT 2	5	278H	3
LPT 3	7	3BCH	3
Not Used	Disables the port

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. With some other parallel devices, the setting should be Std. Bi-Direct.

10.Drives I/O

This option displays the address and interrupt level for hard disk drive, CD/DVD-ROM drive and PC card. It is for information only and cannot be changed.

(a)Built-in HDD

Primary IDE (1F0H/IRQ14) The Built-in HDD is ready for use.

No Drive The Built-in HDD is not installed.

(b)Select Bay

This option is displayed only when the hard disk drive or optical disk drive is installed to the select bay. Secondary IDE (170H/IRQ15) Computer Selectable Bay HDD.

(c)PC Card

When an ATA card is installed in IN13h, the sub window below is displayed.

	DRIVES I/O
Built-in HDD	=	Primary	IDE (1F0H/IRQ14)
ATA Card	=	Others (190H/IRQ)

3-92 TECRA M1 Maintenance Manual (960 -436)