Biostar P4VMA-M P4VMA-M BIOS setup guide - Page 15

AGP & P2P Bridge Control

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The Choices: 2.5(default), 2. Bank Interleave This item allows you to enable or disable the bank interleave feature. The Choices: Disabled (default). Precharge to Active (Trp) This items allows you to specify the delay from precharge command to activate command. The Choices: 2T, 3T (default). Active to Precharge (Tras) This items allows you to specify the minimum bank active time. The Choices: 6T (default), 5T. Active to CMD (Trcd) Use this item to specify the delay from the activation of a bank to the time that a read or write command is accepted. The Choices: 2T, 3T (default). DRAM Command Rate This item controls clock cycle that must occur between the last valid operation and the next command. The Choices: 1T Command, 2T Command (default). write DRAM Burst Len The Choices: 4 (default), 8. CPU read DRAM Mode The Choices: Medium (default), Slow, Fast. AGP & P2P Bridge Control If you highlight the literal "Press Enter" next to the "AGP & P2P Bridge Control" label and then press the enter key, it will take you a submenu with the following options: AGP Aperture Size Select the size of the Accelerated Graphics Port (AGP) aperture. The aperture is a portion of the PCI memory address range dedicated for graphics memory address space. Host cycles that hit the aperture range are forwarded to the AGP without any translation. The Choices: 64M, 256M, 128M (Default), 32M, 16M, 8M, 4M. AGP 2.0 Mode This item allows you to select the AGP Mode. The Choices: 4X (default), 2X, 1X. AGP Driving Control 14

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The Choices:
2.5
(default), 2.
Bank Interleave
This item allows you to enable or disable the bank interleave feature.
The Choices: Disabled
(default).
Precharge to Active (Trp)
This items allows you to specify the delay from precharge command to activate
command.
The Choices:
2T,
3T
(default).
Active to Precharge (Tras)
This items allows you to specify the minimum bank active time.
The Choices: 6T
(default), 5T.
Active to CMD (Trcd)
Use this item to specify the delay from the activation of a bank to the time that a
read or write command is accepted.
The Choices:
2T,
3T
(default).
DRAM Command Rate
This item controls clock cycle that must occur between the last valid write
operation and the next command.
The Choices:
1T Command,
2T Command
(default).
DRAM Burst Len
The Choices: 4
(default), 8.
CPU read DRAM Mode
The Choices: Medium
(default), Slow, Fast.
AGP & P2P Bridge Control
If you highlight the literal “Press Enter” next to the “AGP & P2P Bridge Control” label and
then press the enter key, it will take you a submenu with the following options:
AGP Aperture Size
Select the size of the Accelerated Graphics Port (AGP) aperture. The aperture is a
portion of the PCI memory address range dedicated for graphics memory address
space. Host cycles that hit the aperture range are forwarded to the AGP without
any translation.
The Choices:
64M, 256M,
128M
(Default), 32M, 16M, 8M, 4M.
AGP 2.0 Mode
This item allows you to select the AGP Mode.
The Choices: 4X
(default), 2X, 1X.
AGP Driving Control
14