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Product Description
Overview
The JM20330 is a single chip solution for serial and parallel ATA translation. It includes the Serial ATA PHY, Link, Transport, and Parallel ATA (application layer) controller. The Serial ATA physical, link, and transport layers are compliant to Serial ATA 1.0 JM20330 supports a 1.5GHz data rate, and scalable to 3.0 GHz data rate by directly doubling the internal clock source. The application layer supports both the ATA register command set and PACKET command set, which could drive both Hard Disk Drive and ATAPI Optical Storage such as CR-ROM, CD-RW, DVD-ROM, DVD-RW, etc. The Serial ATA and the Parallel ATA application layer support both host and device operation and can be configured through a single pin.
Feature Compliance
- Serial ATA 1.0 Specification compliant
Overall
- Automatic Serial ATA 3.0/1.5 Gbps speed negotiation
- ATA/ATAPI PIO mode 0 to 4
- ATA/ATAPI Ultra DMA of transfer rate 16.7, 25, 33, 48, 66, 100, 133, and 150MB/s
- ATA/ATAPI LBA48 addressing mode associated with 2-byte sector count
- Support Serial ATA hot-plug
- Ultra low power consumption
- Work for both AC and DC couple between the transmitter and the receiver
- Provide specified OOB signal detection and transmission
- Support Spread Spectrum Clocking to reduce EMI
- Support 20MHz, 25MHz, 30MHz or 40MHz Reference Clock
- Support Partial/Slumber power management
- Provide adjustable TX signal amplitude and pre-emphasis level
- Master IDE Device support
Product Requirements
- Windows 98/SE/ME/2000/XP/2003/Vista/Linux operating system
- Available 4-pin power supply connector
- SATA I or SATA II Device
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Product Reviews
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Hal
Great
16 Jun 2026
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Alexander L
Smooth, fast communication and very helpful in chat. MVP Carrie! If there is one thing that was sort of a bummer for me, it was this: - Moddiy asks what brand & model you got on your PSU. - After i've selected the correct one, and went for a FULL cablekit for the specific PSU, there was still one cable missing. Asus Loki PSU's comes with this 2-pin cable to control the RGB-fan inside. This small 2-pin cable was NOT inclueded.. it's not the whole world.. but it would have given me that extra extra feeling of service, that moddiy really thought of it all. But, im VERY happy with the overall result otherwise, and hopefully this small 2-pin can be added into the set for ASUS ROG LOKI Platinum PSU's in the future.
15 Jun 2026
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Mitch M
sorry about my poor english writing. your service is just as perfect as i expected! i really appreciate your existence and all your efforts on producing truly ideal items for people like i am. thank you very much.
15 Jun 2026
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Giuseppe M
This site really has some nice cables and adapters not sold elsewhere, really appreciate the free shipping too!
14 Jun 2026
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Derek W
Great place for all my hard to find pc parts and custom cables.
14 Jun 2026
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Matthew O
Such great presales customer service. Thanks MODDIY team for working with me on my custom build and answering all my questions!
13 Jun 2026
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Sean M
Easy and quick experience. Only needed to buy one item and there was no shipping cost or even sales tax. I was able to checkout as a guest and use PayPal which was very convenient.
13 Jun 2026
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Bryan l
Fast, but let's see the delivery as I would like to use my FedEx account.
13 Jun 2026
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banjo
good
13 Jun 2026
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simon b
Very simple and straightforward process.
13 Jun 2026
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