Beep Codes

8.2 Beep Codes

The beep codes provide error information about the AlphaPC 164SX system. Table 8–1lists and describes the beep codes.

Table 8–1 Beep Codes

Beep Code

Description

 

 

1–2–3 1

This sequence represents the fail-safe booter startup.

4

No valid header found in ROM; loading entire ROM.

5

No memory found.

6

Checksum error detected when image was read back from memory.

1One beep and a pause, followed by two beeps and a pause, followed by three beeps.

8.3Post Codes

The post codes indicate the progress of the SROM and SRM Console firmware. Table 8–2lists and describes the post codes.

Table 8–2 Post Codes

(Sheet 1 of 3)

 

 

 

 

Post Code

 

Source

(hex)

Description

 

 

 

SROM

00

Firmware initialization is complete

 

01

CPU speed detected

 

02

CPU speed converted

 

03

Configuration jumpers read

 

04

Bcache configuration value computed

 

05

Bcache control value computed

 

0C

Memory sized and memory bank 0 written

 

0D

Enable Dcache

 

13

All of memory rewritten (good data parity written)

 

14

Memory errors cleared; start reading system ROM

 

15

Loading ROM without SROM decompression

 

16

Loading ROM using SROM decompression

 

17

System ROM loaded to memory

 

18

Icache flush code written to memory

 

19

CPU errors cleared; jump to system code

 

20

ISA bus reset

8–2Troubleshooting

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Compaq 164SX user manual Beep Codes, Post Codes