Compaq 164SX Manual De Usuario
8–2
Troubleshooting
Beep Codes
8.2 Beep Codes
The beep codes provide error information about the AlphaPC 164SX system.
Table 8–1 lists and describes the beep codes.
Table 8–1 lists and describes the beep codes.
8.3 Post Codes
The post codes indicate the progress of the SROM and SRM Console firmware.
Table 8–2 lists and describes the post codes.
Table 8–2 lists and describes the post codes.
1
One beep and a pause, followed by two beeps and a pause, followed by three beeps.
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.
Table 8–2 Post Codes
(Sheet 1 of 3)
Source
Post Code
(hex)
(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