User guide

Chapter 1: Welcome to Pro Tools|HD 3
Pro Tools|HD Hardware
HD Accel Core Card
All Pro Tools|HD systems include a
Pro Tools|HD Accel Core PCIe card.
The HD Accel Core card provides up to 96 voice-
able tracks of direct-to-disk recording and play-
back, as well as DSP power for mixing and plug-
in processing. The Pro Tools|HD Accel Core card
supports up to 24-bit, 192 kHz sessions.
DigiLink Port The HD Accel Core card includes a
single DigiLink port for connecting up to 32
channels of audio input and output to your
Pro Tools|HD system.
DigiSerial Port The DigiSerial port on the
HD Accel Core card is for connecting a SYNC pe-
ripheral. This connector is an 8-pin mini-DIN.
HD Accel Card
The HD Accel PCIe card is included in
Pro Tools|HD 2 Accel and Pro Tools|HD 3 Accel
systems. Additional HD Accel cards can be pur-
chased separately to expand the capabilities of
your Pro Tools|HD system. HD Accel cards are
expansion cards, and require the presence of an
HD Accel Core card in the system.
HD Accel cards provide additional channels of
direct-to-disk recording and playback, as well as
additional DSP power for mixing and plug-in
processing. HD Accel cards support sessions up
to 24-bit and up to 192 kHz.
DigiLink Port The HD Accel card includes a sin-
gle DigiLink port for connecting up to 32 chan-
nels of audio input and output to your
Pro Tools|HD system.
DigiSerial Port The DigiSerial port on the HD Ac-
cel card does not offer any functionality.
TDM FlexCable
The TDM FlexCable is used to connect a pair of
cards in your Pro Tools system so they can share
data along the TDM bus. One FlexCable comes
with each Pro Tools|HD Accel expansion card.
Accel Core card
The DigiSerial port on an HD Accel Core
card does not support MachineControl con-
nections.
DigiLink
DigiSerial
HD Accel card
The TDM FlexCable is a flexible printed cir-
cuit board with delicate traces. Do not over-
bend, twist, or pinch the cable. Doing so
may cause unpredictable behavior in
Pro Tools as well as harm to your system.
TDM FlexCable
DigiLink