Chapter 8: PCI Flashcards Preview

CISA 2110 Server Hardware > Chapter 8: PCI > Flashcards

Flashcards in Chapter 8: PCI Deck (18)
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1
Q

What is the standard PCI bus Speed

8.1 pg 146 [178]

A

33 MHz or 66 MHz clock

2
Q

What is the Standard PCI throughput?

Class Notes

A

bus theoretical throughput is 132MB/s to 528MB/s

3
Q

What is the Actual PCI Bus throughput?

Class Notes

A

around 75% or 100MB/s to 398MB/s

4
Q

What is a PCI Device called

Class Notes

A

An Agent

5
Q

Agent that initiates a transfer is called?

Class Notes

A

initiator

6
Q

responding agents are called?

Class Notes

A

Target

7
Q

A basic data transfer operation on the PCI bus is called?

8.1 pg 146 [178]

A

PCI transaction

8
Q

What are 6 things that PCI transactions creates

8.1 pg 146 [178]

A
  1. Requests
  2. Arbitration
  3. Grants
  4. Address
  5. turnaround
  6. data transfer phases
9
Q

What does a Turnaround phase allow?

Class Notes

A

allows the address lines to be switched from address mode to data mode

10
Q

All PCI operations are referenced from?

Class Notes

A

Memory

11
Q

What does PCI-X Support?

Class Notes

A

64 and 32 bits

12
Q

PCI-X Clock must scale to ?

Class Notes

A

slowest PCI device

13
Q

What are the Three [3] common PCi-X Speed

A
  1. 66MHz and 133MHz
  2. 133MHz DDR and 133MHz QDR
  3. 533MHz is also possible
14
Q

PCI-X was developed to satisfy the increased requirements of I/O adapters such as?
8.1 pg 146 [178]

A

Gigabit Ethernet, Fibre Channel, and Ultra320 SCSI.

15
Q

What is Quad Data Rate?

A

signaling technique wherein data are transmitted at four points in the clock cycle: on the rising and falling edges, and at two intermediate points between them.

16
Q

Quad Data Rate PCI-X 533 has up to how much bandwidth ?

Class Notes

A

4.26GB/s of bandwidth at 64 bits

17
Q

What is a GT/sec?

Class Notes

A

Gigatransfer is the raw data rate or bits per second that a bus can move

18
Q

What is useful Data of Gigatransfer

Class notes

A

Useful data is 80% of the GT/sec speed