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Date:      Sat, 13 Sep 1997 18:04:16 +0200
From:      j@uriah.heep.sax.de (J Wunsch)
To:        hackers@FreeBSD.ORG
Subject:   Re: Do *you* have problems with floppies?
Message-ID:  <19970913180416.VX17591@uriah.heep.sax.de>
In-Reply-To: <199709131412.QAA17101@pat.idi.ntnu.no>; from Tor Egge on Sep 13, 1997 14:12:56 %2B0000
References:  <19970913130645.GS12767@uriah.heep.sax.de> <199709131412.QAA17101@pat.idi.ntnu.no>

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As Tor Egge wrote:

> > Perhaps you guys have a lousy power supply (or a broken FDC)?
> 
> 5.05V and 12.20V during the test. (300W power supply).

That doesn't say much.  The stability of the 5 V line is probably more
important (or the noise on the ground potential while stronger
currents are flowing) than the absolute value.

> FDC is a Winbond W83877F, 630AC262126202.

I think Bruce once mentioned some brokeness about the Winbonds, but i
eventually forgot what it has been.

> > That's an ASUS P55T2P4 (i think it's using the SMC FDC+serial+
> > parallel chip) and two NRC 53c810's.
> 
> Is `Passive release' present as an configuration entry in the PNP/PCI
> screen in the BIOS configuration ? If yes, is it enabled or disabled ?

I'm too lazy to reboot right now, but i can't find it in a `strings'
running on the BIOS ROM image.  Here's what seems to be the PNP/PCI
menu on this board:

PCI Latency Timer  : 
Slot 1 (RIGHT) IRQ : 
Slot 2 IRQ         : 
Slot 3 IRQ         : 
Slot 4 (LEFT) IRQ  : 
Auto
NA  
9   
10  
11  
12  
13  
14  
15  
IRQ  3 Used By ISA : 
IRQ  4 Used By ISA : 
IRQ  5 Used By ISA : 
IRQ  9 Used By ISA : 
IRQ 10 Used By ISA : 
IRQ 11 Used By ISA : 
IRQ 15 Used By ISA : 
IRQ  7 Used By ISA : 
IRQ 12 Used By ISA : 
IRQ 14 Used By ISA : 
DMA  1 Used By ISA : 
DMA  3 Used By ISA : 
DMA  5 Used By ISA : 
No/ICU
Yes   
ISA MEM Block BASE : 
No/ICU
C800  
CC00  
D000  
D400  
D800  
DC00  
ISA MEM Block SIZE : 
This is for some ISA Add-on cards
whose UMB can't be auto-detected.
NCR SCSI BIOS      : 
USB Function       : 
Auto    
Disabled

> When I disable `Passive release', the errors during formatting disappears.

Whatever this might be...  I'm not a PCI expert.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)



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