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Diagnostics

Syntax

Diagnostics = level

Description

Specifies the level of diagnostics during initialization for the current board(s). The valid values for level are 0, 1, 2, and 3. Zero (0) indicates that no diagnostics are performed, and 3 is the maximum level. The default value is 2. The trade-off for higher levels of diagnostics is the increased time needed to initialize each AG board at load time. Typically, you specify a level to apply to all boards in the Common section.
If a test fails, the test number is reported back as the error code. Note: Some tests can pass back more than one error code, depending on the options selected and/or the mode of failure. These various error codes are described below.
Certain tests will try to report additional information.
The following nine tests are performed during the boot diagnostics:

Test #

Description

Error Code

#WDS

1

Indicates that the coprocessor booted by writing 11h to SRAM base address.

- Coprocessor never booted at all.

1

- Coprocessor booted but somehow crashed after writing to SRAM base address.

11h

- aaaah option switch selected and coprocessor crashed after updating SRAM base address

aaaah

2

Preliminary set-up of the 82c836 and verification.

2

3

3

Checks the DRAM size and BUSCLK programmed in the eeprom, and sets up the part accordingly if valid eeprom choice.

3

1

4

Tests DSP Control and Status registers

4

3

5

Tests CMEM

5

4

6

Tests DRAM

6

4

7

Tests DSPS

7

n

8

Serial Port tests

- Failed internal loopback test. Wrote a 49h and received something else back.

8

2

- Failed external loopback test. Wrote a 67h and received something else back.

8

2

- Failed external loopback by never getting any character back

FF

9

FMIC tests

- Failed PLL test

9

2

- Failed LAR test

9

3

- Failed connection memory test

9

4

- Failed DMA test

9

1
The following information is reported back to the host upon a diagnostic failure. ERROR CODE #WDS WORD1 WORD2 WORD3 WORD4 ADDITIONAL DATA 1 None 2 3 index written read 3 1 eeprom dram size word 4 2 written read (masked by 0xfh) 5 4 address lo address hi written read 6 4 address lo address hi written read 7 2 # dsps booted # expected 4 # dsps booted #expected written read 8 2 written read 9 3 0bh larerror written read 2 0eh pllerror read 4 0ch conn mem address written read 1 0dh DMA error

Test #	Description	Error Code	#WDS
1	Indicates that the coprocessor booted by writing 11h to SRAM base address.
- Coprocessor never booted at all.	1
- Coprocessor booted but somehow crashed after writing to SRAM base address.	11h
- aaaah option switch selected and coprocessor crashed after updating SRAM base address	aaaah
2	Preliminary set-up of the 82c836 and verification.	2	3
3	Checks the DRAM size and BUSCLK programmed in the eeprom, and sets up the part accordingly if valid eeprom choice.	3	1
4	Tests DSP Control and Status registers	4	3
5	Tests CMEM	5	4
6	Tests DRAM	6	4
7	Tests DSPS	7	n
8	Serial Port tests
- Failed internal loopback test. Wrote a 49h and received something else back.	8	2
- Failed external loopback test. Wrote a 67h and received something else back.	8	2
- Failed external loopback by never getting any character back	FF
9	FMIC tests
- Failed PLL test	9	2
- Failed LAR test	9	3
- Failed connection memory test	9	4
- Failed DMA test	9	1

ERROR CODE	#WDS	WORD1	WORD2	WORD3	WORD4
ADDITIONAL DATA
1	None
2	3	index	written	read
3	1	eeprom dram size word
4	2	written	read (masked by 0xfh)
5	4	address lo	address hi	written	read
6	4	address lo	address hi	written	read
7	2	# dsps booted	# expected
4	# dsps booted	#expected	written	read
8	2	written	read
9	3	0bh larerror	written	read
2	0eh pllerror	read
4	0ch conn mem	address	written	read
1	0dh DMA error

Alias

Diag

Example

Diagnostics = 0 # no diagnostics Diag = 1 # minimal diagnostics

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