Penguin Computing R270-B2O, Technical Manual

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PCI Express Device Register Settings
Relaxed Ordering
Enable/DIsable PCI Express Device Relaxed Ordering feature.
Options available: Enabled/Disabled. Default setting is
Disabled .
Extended Tag
Wnen this feature is enabled, the system will allow device to use 8-bit Tag field as a requester.
Options available: Enabled/Disabled. Default setting is
Disabled .
No Snoop
Enable/Disable PCI Express Device No Snoop option.
Options available: Enabled/Disabled. Default setting is
Enabled .
Maximum Playload
Set maximum playload for PCI Express Device or allow system BIOS to select the value.
Options available: Auto/128 Bytes/256 Bytes/512 Bytes/1024 Bytes/2048 Bytes/4096 Bytes.
Default setting is
Auto .
PCI Express Link Register Settings
Extended Synch
Wnen this feature is enabled, the system will allow generation of Extended Synchronization patterns.
Options available: Enabled/Disabled. Default setting is
Disabled .
Link Training Retry
Define the number of Retry Attempts software wil take to retrain the link if previous training attempt was
unsuccessful.
Options available: Disabled/2/3/5.Default setting is
5 .
BIOS Setup - 52 -
5-2-2-1 PCI Express Settings