Asus P4T-F User Manual page 62

4. BIOS SETUP
Memory Hole At 15M-16M [Disabled]
This field allows you to reserve an address space for ISA expansion cards
that require it. Setting the address space to a particular setting will make
that memory space unavailable to the system. Expansion cards can only
access memory up to 16MB. Configuration options: [Disabled] [Enabled]
PCI 2.1 Support [Enabled]
This function allows you to enable or disable PCI 2.1 features including
passive release and delayed transaction. Configuration options: [Disabled]
[Enabled]
Onboard PCI IDE Enable [Both]
You can select to enable the primary IDE channel, secondary IDE channel,
both, or disable both channels. Configuration options: [Both] [Primary]
[Secondary] [Disabled]
62 ASUS P4T-F User's Manual