Intel BX User Manual page 38

III. CMOS SETUP UTILITY
8 Bit I/O Recovery
Time:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- NA
 Memory Hole At 15M-16M
Memory Hole At
15M-16M:
- Enabled
- Disabled
 Passive Release
 Delayed Transaction
Passive Release,
Delayed Transaction:
- Enabled
- Disabled
 AGP Aperture Size (MB)
AGP Aperture Size
(MB):
- 4
- 8
- 16
- 32
- 64
3-12
16 Bit I/O Recovery Time:
- 1
- 2
- 3
- 4
- NA
This two items set timing parameters for 8-bit and 16-
bit ISA expansion cards.
Default: 8-Bit I/O Recovery Time => 4
This item can be used to reserve memory space for
some ISA cards that require it.
These two items make the PCI Bus Compliant with the
PCI Specification ver. 2.1.
This item defines the effective memory size of the
AGP Aperture.
8-Bit I/O Recovery Time => 1
Default: Disabled
Default: Enabled
Default: 64