Date   : Sat, 27 Jun 2009 09:26:38 +0100 (BST)
From   : info@... (info@...)
Subject: Only one beep

> On 26 Jun 2009, at 19:52, info@... wrote:
>
>> The second "bip" sound is just a VDU 7 which is embedded in the string
>> reporting the RAM size ("16K<7>" or "32K<7>"), which is why there is
>> no "bip" on a soft break, because the RAM size is not printed.
>
> Is that why you don't get the second beep when you boot off the 6502
> tube? For some reason the tube banner lacks the VDU 7?

Correct, the tube startup banner just has "64K".
Whether that was an intentional omission is something we'll probably never
know,
Sprow.