Ben Greear wrote:
I'm running a slightly modified 2.6.16.13 kernel on FC5-amd64. The
motherboard
is SuperMicro H8SSL dual-core AMD system. According to super-micro web
site,
the PCI-X slot is 133Mhz. I'm using a 4-port pro/1000 NIC.
dmesg shows a listing of 120Mhz:
IIRC there is a bridge chip on those four-port cards. Perhaps the
"north" side of the bridge is at 133 MHz, but the south side (since it
is more than one load) is only 120?
Intel(R) PRO/1000 Network Driver - version 6.3.9-k4-NAPI
Copyright (c) 1999-2005 Intel Corporation.
GSI 18 sharing vector 0xB9 and IRQ 18
ACPI: PCI Interrupt 0000:03:04.0[A] -> GSI 20 (level, low) -> IRQ 18
e1000: 0000:03:04.0: e1000_probe: (PCI-X:120MHz:64-bit) 00:04:23:ad:41:bc
e1000: eth2: e1000_probe: Intel(R) PRO/1000 Network Connection
GSI 19 sharing vector 0xC1 and IRQ 19
ACPI: PCI Interrupt 0000:03:04.1[B] -> GSI 21 (level, low) -> IRQ 19
e1000: 0000:03:04.1: e1000_probe: (PCI-X:120MHz:64-bit) 00:04:23:ad:41:bd
e1000: eth3: e1000_probe: Intel(R) PRO/1000 Network Connection
GSI 20 sharing vector 0xC9 and IRQ 20
ACPI: PCI Interrupt 0000:03:06.0[A] -> GSI 22 (level, low) -> IRQ 20
e1000: 0000:03:06.0: e1000_probe: (PCI-X:120MHz:64-bit) 00:04:23:ad:41:be
e1000: eth4: e1000_probe: Intel(R) PRO/1000 Network Connection
GSI 21 sharing vector 0xD1 and IRQ 21
ACPI: PCI Interrupt 0000:03:06.1[B] -> GSI 23 (level, low) -> IRQ 21
e1000: 0000:03:06.1: e1000_probe: (PCI-X:120MHz:64-bit) 00:04:23:ad:41:bf
e1000: eth5: e1000_probe: Intel(R) PRO/1000 Network Connection
ethtool -d eth3 shows 66Mhz:
....
0x00008: STATUS (Device status register) 0x00003B87
Duplex: full
Link up: link config
TBI mode: disabled
Link speed: 1000Mb/s
Bus type: PCI-X
Bus speed: 66MHz
Bus width: 64-bit
Any idea why I see the slower bus speed reported?
That one though escapes me.
rick jones
More info available as needed.
Thanks,
Ben
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