
VT-502 Mainboard Manual
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Typematic Delay (Msec)
Sets the delay time before a character is repeated.
The options are: 250 (Default), 500, 750, 1000 millisecond.
Security Option
Allows you to set the security level of the system.
The options are: Setup (Default), System.
PS/2 Mouse Function Control
When enabled, allows you to release IRQ12 for using the PS/2 mouse.
The options are: Enabled (Default), Disabled.
OS Select For DRAM > 64MB
If your operating system (OS) is OS2, MS Windows NT, or MS Windows
95, select the option OS2. Otherwise, stay with the default setting Non-OS2.
The options are: Non-OS2 (Default), OS2.
Video BIOS Shadow
Allows the BIOS to copy the video ROM code of the add-on video card to
the system memory for faster access.
The options are: Enabled (Default), Disabled.
C8000-CBFFF to DC000-DFFFF Shadow
Allows the BIOS to copy the BIOS ROM code of the add-on card to system
memory for faster access. It may improve the performance of the add-on
card.
Some add-on cards will not function properly if its BIOS ROM code is
shadowed. To use these options correctly, you need to know the memory
address range used by the BIOS ROM of each add-on card.
The options are: Enabled, Disabled (Default).
Summary of Contents for VT-502
Page 1: ...VT 502 MAINBOARD MANUAL DOC No 16049 Rev A0 Date 8 1997 Part No 25 10809 00 ...
Page 7: ...Overview 3 The VT 502 Mainboard ...
Page 14: ...VT 502 Mainboard Manual 10 Mainboard Layout ...
Page 24: ...VT 502 Mainboard Manual 20 Intel Pentium Pentium MMX CPUs Frequency ...
Page 25: ...Installation Procedures 21 Voltage ...
Page 26: ...VT 502 Mainboard Manual 22 AMD K5 K6 CPUs Frequency ...
Page 27: ...Installation Procedures 23 Voltage ...
Page 29: ...Installation Procedures 25 Voltage ...
Page 31: ...Installation Procedures 27 Voltage ...
Page 40: ...VT 502 Mainboard Manual 36 ...