HP Model 715/100 hp 9000 series 700 model 715 workstations service handbook (a - Page 73

ISL User Commands, Running the ISL-Based Diagnostics

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ISL User Commands There are several commands available in the ISL environment that allow a user to obtain information about the boot characteristics of the system or to modify these characteristics. S display - displays the boot and console paths in Stable Storage and the current setting of the ISL Boot Flags. S primpath - modifies the primary boot path entry in Stable Storage. The entry in Stable Storage for the primary boot device begins at byte address 0 and ends at byte address 31. S altpath - modifies the alternate boot path entry in Stable Storage. The entry for the alternate boot device begins at byte address 128 and ends at 159. S conspath - modifies the console path entry in Stable Storage. The entry in Stable Storage for the console device begins at byte address 96 and ends at byte address 127. The entry for the keyboard and mouse devices begins at byte address 160 and ends at 191. S listautofl or lsautofl - lists the contents of the (HP-UX) autoboot file. S support - boots the Support Tape from the boot device. S readss - displays 4 bytes (one word) from Stable Storage. The readss command requires a decimal number between 0 and 255 to address four bytes in Stable Storage. Running the ISL-Based Diagnostics To run the external media (LAN, disk, or tape)-based ISL diagnostics: 1. Invoke the ISL environment from the external media (LAN, disk, or tape). 2. Type tdiag Return after the ISL> prompt to invoke the TDIAG test from the external media. (This test takes several minutes to complete and appears to be in a loop when a graphics monitor is the system console. NOTICE: tdiag contains a loopback test for audio testing. To run the loopback test, you need to attach the audio test cable (part number 46081-61601) to the audio input and audio connectors. Troubleshooting 4-19

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Troubleshooting
4–19
ISL User Commands
There are several commands available in the ISL environment that allow a user to
obtain information about the boot characteristics of the system or to modify these
characteristics.
S
display
– displays the boot and console paths in Stable Storage and the current
setting of the ISL Boot Flags.
S
primpath
– modifies the primary boot path entry in Stable Storage. The entry
in Stable Storage for the primary boot device begins at byte address 0 and ends
at byte address 31.
S
altpath
– modifies the alternate boot path entry in Stable Storage. The entry for
the alternate boot device begins at byte address 128 and ends at 159.
S
conspath
– modifies the console path entry in Stable Storage. The entry in
Stable Storage for the console device begins at byte address 96 and ends at byte
address 127. The entry for the keyboard and mouse devices begins at byte ad-
dress 160 and ends at 191.
S
listautofl
or
lsautofl
– lists the contents of the (HP–UX) autoboot file.
S
support
– boots the Support Tape from the boot device.
S
readss
– displays 4 bytes (one word) from Stable Storage. The
readss
com-
mand requires a decimal number between 0 and 255 to address four bytes in
Stable Storage.
Running the ISL-Based Diagnostics
To run the external media (LAN, disk, or tape)-based ISL diagnostics:
1.
Invoke the ISL environment from the external media (LAN, disk, or tape).
2.
Type
tdiag
Return
after the
ISL>
prompt to invoke the TDIAG test from
the external media. (This test takes several minutes to complete and appears to
be in a loop when a graphics monitor is the system console.
NOTICE:
tdiag
contains a loopback test for audio testing. To
run the loopback test, you need to attach the audio
test cable (part number 46081-61601) to the audio
input and audio connectors.