CompuLab SBC-FITPC2 Instrukcja Użytkownika Pobierz pdf (Strona 15)

4.6. Parallel ATA Interface (P6)

This interface is available only in modules without the “S” option.

The SBC-FitPC2 parallel ATA (PATA) interface is provided directly by an Intel® SCH

PATA controller. PATA interface supports only the primary channel, with one master and

one slave device.

Three types of data transfers are supported:

• Programmed I/O (PIO): A protocol used to transfer data between the processor as the

ATA device. PIO allows transfer rates of up to 16MB/s.

• Multi-word DMA: DMA protocol that resembles the DMA on the ISA bus. Allows

transfer rates of up to 16MB/s.

• Ultra-DMA: Source synchronous DMA protocol that allows transfer rates of up to

100MB/s.

Supported PATA standards and modes:

PATA Standard Transfer Modes Supported Transfer Rate

(MB/s)

PIO Modes 0, 1, 2 3.3, 5.2, 8.3

Single-word DMA Modes 0, 1, 2 2.1, 4.2, 8.3

ATA-1

(ATA, IDE)

Multi-word DMA Mode 0 4.2

PIO Modes 3,4 11.1, 16.6 ATA-2, ATA-3

(EIDE, Fast ATA)

Multi-word DMA Modes 1,2 13.3, 16.6

ATA/ATAPI-4

(Ultra DMA, Ultra ATA)

Ultra DMA Modes 0,1, 2

(a.k.a. Ultra DMA/33)

16.7, 25.0, 33.3

ATA/ATAPI-5

(Ultra DMA, Ultra ATA)

Ultra DMA Modes 3, 4

(a.k.a. Ultra DMA/66)

44.4, 66.7

ATA/ATAPI-6

(Ultra DMA, Ultra ATA)

Ultra-DMA Mode 5

(a.k.a. Ultra DMA/100)

100 (reads)

89 (writes)

A standard 44-pin, dual row, 2 mm pitch header is used for PATA interface. It can be

connected directly to a 2.5” form-factor hard disk or an SSD.

Parallel ATA connector (P6):

Pin Name Pin Name

1 RESET# 2 GND

3 D7 4 D8

5 D6 6 D9

7 D5 8 D10

9 D4 10 D11

11 D3 12 D12

13 D2 14 D13

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 21

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