Acard AEC-7722, User Manual, Page: 9 / 50

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LVD SCSIDE Bridge Manual
Chapter 2 Introduction
2.1 Overview
2.2 Features
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The built-in RISC CPU, SCSI, IDE controllers and interfaces on the chip.
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The synchronous transfer rate of SCSI host interface is 80MB/sec in AEC-
7722 and 160MB/sec in AEC-7726H/Q.
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The full support of SCSI target features.
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The programmable IDE access modes, including
PIO mode 0, 1, 2, 3, 4
Multiword DMA mode 0, 1, 2
Ultra DMA mode 0~5 (transfer rate is 66MB/sec in AEC-7722 and 133MB/
sec in AEC-7726H/Q).
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The on-board flash ROM is easy to update firmware.
1. AEC-7722 and AEC-7726H/Q have the following features:
Thank you for purchasing AEC-7722, AEC-7726H/Q, ARS-2100/2100Q, ARS-2120,
ARS-2000LFS or ARS-2000LHS SCSI-IDE Bridge. You must feel the bridge’s
attraction in the high-tech industries worldwide after using it. Through the SCSI-
IDE Bridge, you can turn a cheap IDE interface into a SCSI one. The on-board core
microcontroller developed by ACARD makes the bridge more flexible, more stable
in high level applications. AEC-7722 supports DVD drives. AEC-7726H/Q, ARS-
2100/2100Q, ARS-2120 and ARS-2000LFS support 3.5” IDE hard drives. ARS-
2000LHS supports 2.5” IDE notebook hard drives. All the devices are easily
connected to SCSI bus.