User`s manual

t167 Test Program
E-28 Single Board Computers SCSI Software UserÕs Manual
E
Use of t167 with the NCR Firmware
Use of t167 with the NCR Firmware is described in this section. This is the
lowest level of interface to the local SCSI bus, and allows the user to build
direct SCSI commands (CDBs) to devices on the SCSI bus.
Initialize the NCR Firmware Interface
The following procedure MUST be executed prior to issuing any other
commands to the Firmware.
1. From the main t167 menu, select menu item 3 to display the Firmware
development screen:
MVME167/187 SCSI Test and Development Utility
Item Name Description
---- ------ ---------------------
1 cnfg t167 Configuration
2 sdldt SCSI Driver Library Development Tools
3 fwdt NCR Firmware Development Tools
4 sdltst SCSI Driver Library Tests
5 fwtst NCR Firmware Tests
h help Display this menu
s status Status of previous command
q quit Exit from t167
x exit Exit from t167
t167 -->
3
2. Select menu item 2 to initialize the Firmware interface. This MUST be
done even if the initialization was done previously from the SDL interface.
NCR Firmware Development Tools
Item Name Description
---- ------ ---------------------
1 bldfwcs Build F/W Control Structure
2 fwinit Issue siop_init Command
3 fwcmd Issue siop_cmd Command
4 dspcdb Display command descriptor block
5 dspfwcs Display F/W Control Structure
6 dspfwstat Display F/W Status
7 dspdb Display Data Buffer Contents
8 reset Reset SCSI bus
h help Display this menu
s status Status of previous command
q quit Return to previous menu
x exit Exit from t167
F/W Tools -->
2
SCSI address (7):
Interrupt level (0):
Clock frequency ('2500'):
Snoop-mode (0):
siop_init status:
0x0
F/W Tools -->