ATTO Technology UL2D Guia do Utilizador descarregar pdf (Página 12)

AVoption and AVoption XL Guide

8

The following tables list the approximate

amount of video storage, in megabytes per

second, required for each JFIF compression

level.

Required Hardware

To install and use AVoption XL, you must

ﬁrst install currently supported

Pro Tools 24 or Pro Tools 24 MIX hard-

ware. Other hardware required for

AVoption XL is listed in this section, along

with system requirements for

AVoption XL.

Supported CPUs

• Power Macintosh 9600

• Power Macintosh G3 (Blue & White)

• Power Macintosh G4

Older G3 Macintosh systems (beige) are

not supported.

✽

See the Digidesign Web site for the latest

CPU compatibility information.

Minimum System Requirements

3:1 Video Compression or Higher

Storage for Single-Field JFIF

JFIF

level

30/25 FPS

Storage

(MB/second)

(approximate)

24 FPS

Storage

(MB/second)

(approximate)

15:1s .7 .6

4:1s 2.7 2.2

2:1s 5.5 4.4

Storage Required for Two-Field JFIF

JFIF

level

30/25 FPS

Storage

(MB/second)

(approximate,

except 1:1)

24 FPS

Storage

(MB/second)

(approximate,

except 1:1)

20:1 1.1 .9

10:1 2.2 1.8

3:1 7.3 5.9

2:1 11 8.8

1:1 22 17.6

Minimum AVoption XL System Requirements

Item Minimum Requirement

CPU Power Macintosh 9600,

Blue & White G3 or G4

PCI Expansion

Chassis

Magma 13-Slot

SCSI accelerator Qualiﬁed SCSI Accelerator

(ATTO EPCI-DC or Digidesign

SCSI 64)

SCSI hard drives Qualiﬁed drives are

required; see the Digidesign

Web site for more informa-

tion.

Sync peripheral Universal Slave Driver (USD)

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