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SubjectRe: CMD640 chipset bugfix/support
On Mon, 18 Mar 1996, valk-bakker wrote:

> Chris Hughes wrote:
> >
> > According to /proc/pci I've got a CMD640 IDE interface:
> >
> > PCI devices found:
> > Bus 0, device 7, function 0:
> > IDE interface: CMD 640 (buggy) (rev 2).
> > Medium devsel. IRQ 14.

My /proc/pci contains,
PCI devices found:
Bus 0, device 5, function 0:
Host bridge: Silicon Integrated Systems 85C496 (rev 49).
Medium devsel. Fast back-to-back capable. Master Capable. No bursts.
And doesn't mention anything about ide.

On bootup this is the message
---cut---
pcibios_init : BIOS32 Service Directory structure at 0x000fb9e0
pcibios_init : BIOS32 Service Directory entry at 0xfbe70
pcibios_init : PCI BIOS revision 2.10 entry at 0xfbea0
Probing PCI hardware.
Calibrating delay loop.. ok - 66.36 BogoMIPS
---cut---
ide1 at 0x170-0x177,0x376 on irq 15
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
---cut---

My system is PCI-486, SiS chipset 85C496, 85C497 depending on what chip
I look at, motherboard identified as R418, Award BIOS,
AMD 486DX5 133 20 megs of ram.

Current kernel 1.3.57, I have tride 1.3.72. 1.3.72 was unstable for me.
Here is my .config options relavent

CONFIG_PCI=y
CONFIG_PCI_OPTIMIZE=y
CONFIG_SYSVIPC=y
CONFIG_BINFMT_ELF=y
CONFIG_KERNEL_ELF=y
# CONFIG_M386 is not set
CONFIG_M486=y
# CONFIG_M586 is not set
I have tried with and without the CMD640 option.

Any ideas, or suggestions? By the was I get around 1 meg per second with
hdparm with each harddrive when with a 386 DX 40 I think I got 2 megs per
second.

+---------------------------------+
| David Fries |
| dfries@mail.win.org |
+---------------------------------+



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