Adaptec GDTSETUP Installationshandbuch PDF herunterladen (Seite 17)

When using 3.2v4.x or 3.2v5.x, you have the option to link the driver to the kernel before

starting the kernel (btld (ADM)). This will allow you to use the ICP Controller as the only

controller in the system. Use the GDT BTLD Disk. During the installation, whenever the N1

floppy disk is inserted and the message

Boot

is displayed, do not press <ENTER> immediately, but type in link <ENTER>. The system

will then prompt you for the name of the BTLD driver. Now type in gdth. It may be necessary

to type in the complete boot string. In this case, you have to add the following command:

link=gdth btld=fd(xx)

where xx is the "Minor Device Number" of the corresponding device file. xx = 60 for

fd0135ds18, 3,5" floppy as A,: or xx = 61 for fd1135ds18, 3,5" floppy as B: (see SCO UNIX

system Administrator's Reference, Hardware Dependence, floppy devices). When reque-

sted, enter the IRQ which has been assigned to the PCI INT of the ICP Controller (see chap-

ter B, Hardware Installation). In addition, the GDT BIOS must not be disabled and the boot

drive must be connected with the ICP Controller having the lowest PCI slot number.

When the UNIX installation has been completed, the driver is installed, too, and you may

install further devices with mkdev hd (ADM).

If the ICP Controller is an additional controller, the installation of the driver is carried out

with installpkg.

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Whenever the program mkdev hd (ADM) is started, you will be asked for the coordinates of

the device you wish to install. The driver does not automatically display all devices connec-

ted, so after the installation you will find a tool named

GDTSCAN

in the directory '/etc'.

The scanning can take up to several seconds, especially when there is more than one con-

troller in the system. The devices are displayed together with their host adapter number,

target-ID and LUN. These values are to be used in mkdev (ADM). Let's have a brief look at

how the HA-no., target-ID and LUN are determined. Please note that the UNIX driver al-

ways maps the first detected Host Drive with target-ID 0, LUN 0. Exactly this drive would be

used as a boot drive when the ICP Controller is to make the boot drive available.

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The host adapter number assigned to the ICP Controller is derived from the PCI slot num-

ber of the ICP Controller. Therefore, if there is only one ICP Controller installed in the PCI

bus computer system, the host adapter number=0. If there are two ICP Controllersinstalled,

the ICP Controller with the lower PCI Slot number is assigned host adapter number 0 and

the ICP Controller with the higher PCI slot number is assigned host adapter 1. (Note: After

a cold boot, the GDT BIOS displays a couple of messages, each beginning with the con-

troller’s PCI slot number, e.g. "[PCI 0/3] 4 MB RAM detected". The number after the ‘/’ is the

slot number of the controller. This helps you to determine which is the order of the ICP

Controllers and and which host adapter number is assigned to them by UNIX. See also

chapter B, Hardware Installation).

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Adaptec GDTSETUP Installationshandbuch Seite 17