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OrBit
Joined: 28 Feb 2005
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Location: P.R.C
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cuttingedgecs
Joined: 08 Oct 2017
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Location: Australia
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 Posted: Thu May 14, 2020 9:56 pm Post subject: |
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| No hs/fan on your Socket 4 Pentium? How long can it run like that? |
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Neology
Joined: 25 May 2011
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| Posted: Thu May 14, 2020 9:59 pm Post subject: |
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| xsecret wrote: | With a frequency generator plugged on the crystal socket, you can go down to 1 Hz.  I used that trick a few times for the UCA dev. |
Can you adjust the frequency with a frequency generator on the fly while the system is booted?
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rjluna2
Joined: 27 Oct 2014
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| Posted: Fri May 15, 2020 7:15 am Post subject: |
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| xsecret wrote: | | With a frequency generator plugged on the crystal socket, you can go down to 1 Hz. I used that trick a few times for the UCA dev. |
That must be excruciatingly slow to boot Windows 2000  |
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xsecret
Joined: 01 Feb 2004
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Location: France
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| Posted: Fri May 15, 2020 10:14 am Post subject: |
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| Neology wrote: | | xsecret wrote: | | With a frequency generator plugged on the crystal socket, you can go down to 1 Hz. I used that trick a few times for the UCA dev. |
Can you adjust the frequency with a frequency generator on the fly while the system is booted? |
Depend of the board. If there is a PLL anywhere on board (ie: if you see a 33 MHz crystal with a 386DX-33), changing frequency on the fly will cause a desync/resync cycle of the PLL. That's usually OK.
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