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- Newsgroups: comp.sys.ibm.pc.hardware
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!uwm.edu!ux1.cso.uiuc.edu!news.cso.uiuc.edu!ehsn2.cen.uiuc.edu!rg9538
- From: rg9538@ehsn2.cen.uiuc.edu (Ronald E Garnett)
- Subject: Re: Report on Speedstar 24x/fast bus clocks
- References: <Bz0CF5.C2H@news.cso.uiuc.edu> <42278@sdcc12.ucsd.edu>
- Message-ID: <Bz5ntp.8K8@news.cso.uiuc.edu>
- Sender: usenet@news.cso.uiuc.edu (Net Noise owner)
- Organization: University of Illinois at Urbana
- Date: Sat, 12 Dec 1992 16:44:12 GMT
- Lines: 37
-
- ee152fbw@sdcc15.ucsd.edu (Itoyoko) writes:
-
- >In article <Bz0CF5.C2H@news.cso.uiuc.edu> rg9538@eehp5 (Ronald E Garnett) writes:
- >>"How fast of a bus can the XXXXX card function at?"
- >>
- >>With respect to the 24x, I have some documented results.
- >>At a 12 MHz bus clock on a 486-33 from Gecco Computers,
- >>the 24x produced 12+ WinMarks, and a 3DBench (DOS Graphics)
- >>rating of 22.3. It also produced many errors in Dos and Win 3.1
- >>including random pixels and characters......
- >>
- >I'm running the 24x in a 486-40 13mhz bus speed, 14M winmarks,
- >landmark video 6600chr/ms, not errors bugs of blips in either
- >windows 3.1 or OS/2, the motherboard is a opti wb type and
- >I'm running in zero wait mode. The board makes a difference,
- >in fact the OPTI I have will actually slow down the card if
- >I choose the atclk/2.5 setting on every card I've owned, so
- >I think that's a design or labeling flaw, but at atckl/3,
- >it runs just fine.
- >>
- >>So these are the results of an extensive oscillator and jumper
- >>swapping extraveganza (spelling?)
- >>
- > don't have a seperate bus oscillator, but I stuck to changes
- >thorugh
- >CMOS settings.
-
-
- I wonder if I just have a flaky card then? Or if my system can't
- handle that particular cadr at 12 MHZ? My old Speedstar card could
- handle the 12 MHz bus just fine...........
-
-
-
-
- Ron Garnett
-
-