Martin Rogge wrote:
00:04.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
(prog-if 80 [Master])
Flags: medium devsel
[virtual] Memory at 000001f0 (32-bit, non-prefetchable) [disabled]
[size=8]
[virtual] Memory at 000003f0 (type 3, non-prefetchable) [disabled]
[size=1]
[virtual] Memory at 00000170 (32-bit, non-prefetchable) [disabled]
[size=8]
[virtual] Memory at 00000370 (type 3, non-prefetchable) [disabled]
[size=1]
I/O ports at d800 [disabled] [size=16]
[...]
00:07.0 IDE interface: Silicon Image, Inc. PCI0648 (rev 01) (prog-if 8f
[Master SecP SecO PriP PriO])
Subsystem: ASUSTeK Computer Inc. CUBX motherboard
Flags: bus master, medium devsel, latency 64, IRQ 15
I/O ports at d000 [size=8]
I/O ports at b800 [size=4]
I/O ports at b400 [size=8]
I/O ports at b000 [size=4]
I/O ports at a800 [size=16]
Capabilities: [60] Power Management version 1
What I don't like is that both PIIX4 and PCI-648 are sharing IRQ15 (PIIX4
is in legacy mode, so it uses edge-triggered IRQ15 which is not shareable).
You don't have drives connected to PIIX4, do you? However, it doesn't look
like a glitch on IRQ15, it looks like MRDMODE reg. doesn't work as documented...
cu Martin
MBR, Sergei
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