Chapter 2. Troubleshooting
2 1
Interrupt & Address Selection
CAUTION
Refer to your PC-AT's documentation to avoid interrupt and address conflicts, and the
resulting possibility of system damage.
If you are using Motion Architect and you change these settings, be sure to configure
the same address and interrupt settings in Motion Architect's Terminal or Panel modules.
Interrupts
The OEM-AT6400 is factory configured with no interrupts selected. The OEM-AT6400 does not need
them to function properly. If you want to use interrupts, select an interrupt in your system that is not
already used (refer to instructions on page 4).
Interrupts that are unassigned on the AT bus are IRQ10, 11,12, and 15. If serial port COM1 is not used,
IRQ4 may be available. If serial port COM2 is not used, IRQ3 may be available. IRQ5 and 7 are defined
for parallel printer ports and one or both of these may be available if your system has one or no parallel
printer ports.
Address
The OEM-AT6400 is factory-set to address 300H. If another card in your system uses address 300H
(default setting), select a different address (refer to instructions on page 4).
If you are unsure which addresses are used, the following address are likely to be available: 308H, 310H,
318H, 380H, 388H, 3A0H, or 3A8H.
Downloading Errors
(downloading the operating system)
Error
Description
Reason/Corrective Action
1
Operating System File Not Found
The operating system specified, or the default operating system (if unspecified) could not be
found by the
AT6400.EXE
loader program. Put the
AT6400.OPS
file in the same directory
as the
AT6400.EXE
file.
2
Invalid Operating System File
The operating system specified, or the default operating system (if unspecified) is not a valid
operating system or is corrupted. Re-install the operating system from the original disk.
3
Unexpected EOF
An EOF character was received during the download. Re-install the operating system from
the original disk.
4
Invalid Port Address
The port address specified while downloading is invalid. Use another address setting
(768
≤
port
≤
1024 in increments of 8).
5
Unknown Option
An unknown option was specified on the
AT6400.EXE
command line.
6
Base Port Address Greater than 1024
The base port address is too high. Specify an address between 768 and 1024 decimal with the
/PORT=
parameter.
7
Base Port Address Less than 255
The base port address is too low. Specify an address between 768 and 1024 decimal with the
/PORT=
parameter.
8
Base Port Address Not a Multiple of 8
The base port address is not a multiple of 8. Specify a valid address with the
/PORT=
parameter.
9
Modified Download Requested
A partial download was requested on the command line.
10
Card Controller Error
The card controller did not respond as expected. Verify that you are downloading to the correct
address. Make sure there are no other peripheral cards (network adapters, bus mouse, etc.)
at the same address. Try changing the card address.
11
Card Not found
The card did not respond as expected. Verify that you are downloading to the correct address.
Make sure there are no other peripheral cards (network adapters, bus mouse, etc.) at the
same address. Try changing the card address.
12
Reading Card Rev
The card appeared to be working as expected until the revision was requested. Verify that you
are downloading to the correct address. Make sure there are no other peripheral cards
(network adapters, bus mouse, etc.) at the same address. Try changing the card address.
13
Waiting for Data Ready
The card did not respond when expected. Verify that you are downloading to the correct
address. Make sure there are no other peripheral cards (network adapters, bus mouse, etc.)
at the same address. Try changing the card address.
14
Purging Data Out Buffer
The card output buffer could not be emptied. Verify that you are downloading to the correct
address. Make sure there are no other peripheral cards (network adapters, bus mouse, etc.)
at the same address. Try changing the card address.
15
Waiting for Data Input Buffer Empty
The card did not respond to the data sent to it. Verify that you are downloading to the correct
address. Make sure there are no other peripheral cards (network adapters, bus mouse, etc.)
at the same address. Try changing the card address.
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