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ALR Motherboard BIOS Post Codes

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ALR Motherboard BIOS Post Codes | Geeks.Online https://geeks.online/alr-motherboard-bios-post-codes/

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Below are the ALR Beep codes that can occur. However, because of the widevariety of different computer manufacturers with this BIOS, the beep codes mayvary.

01 CPU register test in progress

02 Real-time clock write/read failure

03 ROM BIOS checksum failure

04 Programmable internal timer failure (or no video card present)

05 DMA initialization failure

06 DMA page register write/read failure

08 RAM-refresh verification failure

09 1st 64KB RAM test in progress

0A 1st 64KB RAM chip or data line multi-bit failure

0B 1st 64KB RAM odd/even logic failure

0C Address line failure 1st 64KB RAM

0D Parity failure 1st 64KB RAM

10-1F bit 0-15 64KB RAM failure

20 Slave DMA-register failure

21 Master DMA-register failure

22 Master-interrupt mask-register failure

23 Slave-interrupt mask-register failure

25 Interrupt vector loading in progress

27 Keyboard-controller test failure

28 RTC power failure and checksum calculation in progress

29 Real-time clock-configuration validation in progress

2B Screen-memory test failure

2C Screen-initialization failure

2D Screen-retrace test failure

2E Search believed operational on screen believed running with video ROM

30 Monochrome display believed operable

32 Color display (40 column) believed operable

33 Color display (80 column) believed operable

Source:

Bios Central (http://www.bioscentral.com/postcodes/alrbios.htm)

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ALR Motherboard BIOS Post Codes | Geeks.Online https://geeks.online/alr-motherboard-bios-post-codes/

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