TYAN TOMCAT I II Manual page 37

w w Peer Concurrency
When enabled, multiple PCI devices can be active at any one time.
When disabled, only one PCI device can have access to the PCI bus.
at any one time. The default is Enabled.
w w Chipset Special Features
When disabled, the chipset behaves as if it were the earlier 430FX
chipset. This option should be enabled for best performance.
The default is Enabled.
w w DRAM ECC/Parity Select
This item allows you to select between two methods of DRAM error
checking, ECC or Parity. Must have parity SIMMs to select ECC or
Parity. The ECC algorithm is built into the chipset and can correct
one bit errors. The default is Parity.
w w Onboard FDC Controller
This option lets you enable or disable the onboard floppy controller.
The default is enabled.
w w Onboard Serial Port 1/2
This option lets you select how this port will be addressed. The options
are Com1 thru Com4 or disabled.
The default is Com1for port 1 and Com2 for port 2.
w w Onboard Parallel Port
This option lets you select the LPT port address. Options are
3BC/IRQ7, 378/IRQ7, 278/IRQ5 or Disabled.
Note: Cannot use EPP or ECP+EPP when using 3BC/IRQ7
The default is 378/IRQ7.
w w Parallel Port Mode
This option lets you select which mode the parallel port will run in. The
options are Normal, EPP, ECP, or ECP + EPP.
Normal- Standard parallel port mode.
EPP - Bi-directional mode.
ECP - Fast, buffered mode.
EPP/ECP- Bi-directional and buffered.
Check the documentation of your device to see how it needs to be set.
The default is Normal.
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