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4 advanced chipset setup – Acrosser AR-B9622 User Manual

Page 45

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AR-B9622 User¡¦

s Guide

6-5

6.4 ADVANCED CHIPSET SETUP

This option controls the configuration of the board’ s chipset. Control keys for this screen are the same as for the
previous screen.

AMIBIOS SETUP - ADVANCED CHIPSET SETUP

(C) 1995 American Megatrends, Inc. All Rights Reserved

AT Bus Clock

14.318 / 2

Slow Refresh

60 us

RAS Precharge time

1.5T

RAS Active Time Insert Wait

Disable

CAS Precharge Time Insert Wait

Disable

Memory Write Insert Wait

Disable

Memory Miss Read Insert Wait

Disable

ISA I/O High Speed

Enable

ISA Memory High Speed

Enable

ISA Write cycle end Insert Wait

Disable

I/O Recovery

Disable

I/O Recovery Period

0.75 us

On-Chip I/O Recovery

Disable

16Bit ISA Insert Wait

Disable

******* Watch Dog Timer *********

WatchDog Timer

Disabled

WDT Timeout Period Select

42 Sec

WatchDog Timeout Issue Signal

Reset

Available Options :

14. 318/2
PLCK2/3
PLCK2/4
PLCK2/5
PLCK2/6
PLCK2/8
PLCK2/10
PLCK2/12

ESC:Exit ¡ ф

¡ х

:Sel

PgUp/PgDn:Modify
F2/F3:Color

Figure 6-4 BIOS: Advanced Chipset Setup

AT Bus Clock

This option sets the polling clock speed of ISA Bus (PC/104).

NOTE: 1. PCLK means the CPU inputs clock.

2. Acrosser recommends user setting at the range of 8MHz to 10MHz.

Slow Refresh

This option sets the DRAM refresh cycle time.

RAS Precharge Time

The DRAM RAS precharge time.

Time Insert Wait

The DRAM time insert wait: RAS Active and CAS Precharge function setting.

ISA High Speed

The Speed field shows the speed at which the processor runs internally.

I/O Recovery

If I/O Recovery Feature options is enabled, the BIOS inserts a delay time between two I/O commands. The delay
time is defined in I/O Recovery Period option.