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Advanced chipset setup -7, 4 advanced chipset setup – Acrosser AR-B1320 User Manual

Page 44

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4-7

4.4

ADVANCED CHIPSET SETUP

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

Figure 4-4 BIOS: Advanced Chipset Setup

AT Bus Clock

This option sets the polling clock speed of the ISA Bus (PC/104).
Available options: 14.318/2, PLCK2/3, PLCK2/4, PLCK2/5, PLCK2/6, PLCK2/8, PLCK2/10,
PLCK2/12

NOTE: 1) PLCK means the CPU input clock.

2) Acrosser recommends the user set this function at the range from 8MHz to 10MHz.

Slow Refresh

This option sets the DRAM refresh cycle time.
Available options:15us, 60 us, 120us

RAS Precharge Time

This option sets the DRAM RAS precharge time.
Available options: 1.5T, 2.5T, 3.5T

RAS Active Time Insert Wait

This option sets the DRAM time insert wait: RAS Active and CAS Precharge function setting.
Available options: Enable, Disable

ISA I/O High Speed

The speed field shows the speed at which the processor runs internally.
Available options: Enabled, Disabled