BECKHOFF CB4055 - Manual (Page 42)

Chapter: BIOS Settings Advanced
page 42 Beckhoff New Automation Technology CB4055
5.3.1.1 PCI Express Settings
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Advanced
┌─────────────────────────────────────────────────────────────────┬────────────────────────────────┐
│ PCI Express Device Register Settings │Enables or Disables PCI │
│ Relaxed Ordering [Disabled] │Express Device Relaxed │
│ Extended Tag [Disabled] │Ordering │
│ No Snoop [Enabled] │ │
│ Maximum Payload [Auto] │ │
│ Maximum Read Request [Auto] │ │
│ │ │
│ PCI Express Link Register Settings │ │
│ ASPM Support [Disabled] │ │
│ WARNING: Enabling ASPM may cause some │ │
│ PCI-E devices to fail │ │
│ Extended Synch [Disabled] │ │
│ │────────────────────────────────│
│ Link Training Retry [5] │→←: Select Screen │
│ Link Training Timeout (uS) 100 │↑↓: Select Item │
│ Unpopulated Links [Disable] │Enter: Select │
│ │+/-: Change Opt. │
│ │F1: General Help │
│ │F2: Previous Values │
│ │F3: Optimized Defaults │
│ │F4: Save & Exit │
│ │ESC: Exit │
│ │ │
│ │ │
│ │ │
│ │ │
└─────────────────────────────────────────────────────────────────┴────────────────────────────────┘
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
ü Relaxed Ordering
Options: Enabled / Disabled
ü Extended Tag
Options: Enabled / Disabled
ü No Snoop
Options: Enabled / Disabled
ü Maximum Payload
Options: Auto / 128 Bytes / 256 Bytes / 512 Bytes / 1024 Bytes / 2048 Bytes / 4096 Bytes
ü Maximum Read Request
Options: Auto / 128 Bytes / 256 Bytes / 512 Bytes / 1024 Bytes / 2048 Bytes / 4096 Bytes
ü ASPM Support
Options: Disabled / Auto / Force L0s
ü Extended Synch
Options: Enabled / Disabled
ü Link Training Retry
Options: Disabled / 2 / 3 / 5
ü Link Training Timeout (uS)
Options: 10...1000
ü Unpopulated Links
Options: Keep Link ON / Disable