Table 9-1 Normal Power Up Error Codes - Tektronix PHASER 560 Service Manual

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Normal power-up self-tests.
a problem is encountered with the image processor's expansion memory or other
options, then the information is printed on the printer's startup page. Normal
power-up tests take slightly longer than one minute to complete.
Any failure not allowing the printer to print the start page are displayed on the
printer's front panel with a two-digit hex code indicating what the error is. A
two digit hex code with the suffix "p" indicates the failure occurred during
normal power-up self test. The cause of such a failure would be the image
processor board, one of its SIMM components or the engine control board.

Table 9-1 Normal power up error codes

Code Power-up Test
10 Image Processor CPU Interrupt
11 Instruction ROM Checksum
13 NVRAM Acknowledge
1b PROM Data
1c Font ROM Checksum
21 Write/Read Centronics
25 SCSI Interrupt26 W/R SCSI Register
28 W/R LCA Registers
29 W/R CDU Reg2b CDU Data Compression
2c CDU Data Decompression
2a DMA Address Test
2f Network Card
1d DRAM SIMM Configuration
31 Base DRAM Address Paths
32 Expansion DRAM Data Paths
36 SIMM1 Data Paths
37 SIMM1 Address Paths
3a SIMM2 Data Paths
3b SIMM2 Address Paths
47 Engine Control Board Status
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This test requires no paper or customer interaction. If
9
Checks and Adjustments
9-7
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