Asus Terminator P-III User Manual download pdf (Page 59)

ASUS CUV4X-D User’s Manual 59

4. BIOS SETUP

Read Around Write [Enabled]

Setting this field to [Enabled] allows the memory controller to store write

data in its buffer whenever the CPU issues a write command. The next time

the CPU needs the data, it retrieves the data from the memory buffer without

accessing the SDRAM. Configuration options: [Disabled] [Enabled]

CPU-DRAM Back-Back Transaction [Enabled]

Configuration options: [Enabled] [Disabled]

Delayed Transaction [Disabled]

When set to [Enabled], this feature frees the PCI bus when the CPU is

accessing 8-bit ISA cards. This process normally consumes about 50-60

PCI Clocks without PCI delayed transaction. Set this field to [Disabled]

when using ISA cards that are not PCI 2.1 compliant. Configuration options:

[Enabled] [Disabled]

PCI to DRAM Prefetch [Disabled]

Configuration options: [Disabled] [Enabled]

Byte Merge [Disabled]

To optimize the data transfer on PCI, this feature combines a sequence of

individual memory writes (bytes or words) into a single 32-bit block of

data. However, byte merging may only be done when the bytes within a

data phase are in a prefetchable address range. Configuration options:

[Disabled] [Enabled]

DRAM Read Latch Delay [1 ns]

Configuration options: [0.0 ns] [0.5 ns] [1.0 ns] [1.5 ns]

AGP Capability [4X Mode]

This motherboard supports the AGP 4x interface that transfers video data at

1066MB/s. AGP 4x is backward-compatible, so you may leave the default

[4X Mode] on even if you are using an AGP 1x or 2x video card. When set

to [1X Mode], the AGP interface only provides a peak data throughput of

266MB/s even if you are using an AGP 2x/4x card. When set to [2X Mode],

the AGP interface only provides a peak data throughput of 533MB/s even if

you are using an AGP 4x card. Configuration options: [1X Mode] [2X Mode]

[4X Mode]

Graphics Window Size [32MB]

This feature allows you to select the size of mapped memory for AGP graphic

data. Configuration options: [4MB] [8MB] [16MB] [32MB] [64MB]

[128MB] [256MB]

Chip Configuration

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Asus Terminator P-III User Manual Page 59