Technical Reference Guide
Compaq Deskpro EXS and Workstation 300 Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition –- December 2000
x
LIST OF FIGURES
F
IGURE
2–1. C
OMPAQ
D
ESKPRO
P
ERSONAL
C
OMPUTERS WITH
M
ONITORS
................................................ 2-1
F
IGURE
2–2. F
RONT
C
ABINET
V
IEWS
......................................................................................................... 2-4
F
IGURE
2–3. R
EAR
C
ABINET
V
IEW
............................................................................................................. 2-5
F
IGURE
2–4. C
HASSIS
L
AYOUT
, L
EFT
S
IDE
V
IEW
....................................................................................... 2-6
F
IGURE
2–5. S
YSTEM
B
OARD
L
AYOUT
...................................................................................................... 2-7
F
IGURE
2–6. S
YSTEM
A
RCHITECTURE
, B
LOCK DIAGRAM
............................................................................ 2-9
F
IGURE
2–7. P
ROCESSOR
A
SSEMBLY
A
ND
M
OUNTING
............................................................................. 2-10
F
IGURE
3–1. P
ROCESSOR
/M
EMORY
S
UBSYSTEM
A
RCHITECTURE
.............................................................. 3-1
F
IGURE
3–2. P
ENTIUM
4 P
ROCESSOR
I
NTERNAL
A
RCHITECTURE
............................................................... 3-3
F
IGURE
3–3. SDRAM/RDRAM B
ANDWIDTH
C
OMPARISON
...................................................................... 3-5
F
IGURE
3–4. R
AMBUS
C
HANNEL
S
IGNAL
D
ISTRIBUTION AND
K
EY
A
TTRIBUTES
........................................ 3-6
F
IGURE
3–5. R
AMBUS
T
RANSACTIONS
(S
INGLE
C
HANNEL
)........................................................................ 3-7
F
IGURE
3–6. S
YSTEM
M
EMORY
M
AP
......................................................................................................... 3-9
F
IGURE
4-1. PCI B
US
D
EVICES AND
F
UNCTIONS
......................................................................................... 4-2
F
IGURE
4-2. C
ONFIGURATION
C
YCLE
......................................................................................................... 4-4
F
IGURE
4-3. PCI C
ONFIGURATION
S
PACE
M
APPING
................................................................................... 4-5
F
IGURE
4-4.
PCI B
US
C
ONNECTOR
(32-B
IT
T
YPE
) ..................................................................................... 4-9
F
IGURE
4-5. AGP 1X D
ATA
T
RANSFER
(P
EAK
T
RANSFER
R
ATE
: 266 MB/
S
) .......................................... 4-11
F
IGURE
4-6. AGP 2X D
ATA
T
RANSFER
(P
EAK
T
RANSFER
R
ATE
: 532 MB/
S
) .......................................... 4-12
F
IGURE
4-7. AGP 4X D
ATA
T
RANSFER
(P
EAK
T
RANSFER
R
ATE
: 1064 MB/
S
) ........................................ 4-12
F
IGURE
4-8. 1.5-V
OLT
AGP B
US
C
ONNECTOR
......................................................................................... 4-14
F
IGURE
4-9. M
ASKABLE
I
NTERRUPT
P
ROCESSING
, B
LOCK
D
IAGRAM
...................................................... 4-15
F
IGURE
4-10. C
ONFIGURATION
M
EMORY
M
AP
......................................................................................... 4-20
F
IGURE
4-11. F
AN
C
ONTROL
B
LOCK
D
IAGRAM
......................................................................................... 4-34
F
IGURE
5-1.
40-P
IN
P
RIMARY
IDE C
ONNECTOR
(
ON SYSTEM BOARD
). ...................................................... 5-3
F
IGURE
5-2.
34-P
IN
D
ISKETTE
D
RIVE
C
ONNECTOR
..................................................................................... 5-7
F
IGURE
5-3.
S
ERIAL
I
NTERFACE
C
ONNECTOR
(M
ALE
DB-9
AS VIEWED FROM REAR OF CHASSIS
)............... 5-8
F
IGURE
5-4.
P
ARALLEL
I
NTERFACE
C
ONNECTOR
(F
EMALE
DB-25
AS VIEWED FROM REAR OF CHASSIS
) .. 5-15
F
IGURE
5-5.
K
EYBOARD OR
P
OINTING
D
EVICE
I
NTERFACE
C
ONNECTOR
.................................................. 5-21
F
IGURE
5-6.
USB I/F, B
LOCK
D
IAGRAM
................................................................................................... 5-22
F
IGURE
5-7.
USB P
ACKET
F
ORMATS
........................................................................................................ 5-23
F
IGURE
5-8.
U
NIVERSAL
S
ERIAL
B
US
C
ONNECTOR
................................................................................... 5-25
F
IGURE
5-9.
A
UDIO
S
UBSYSTEM
F
UNCTIONAL
B
LOCK
D
IAGRAM
............................................................. 5-27
F
IGURE
5-10.
AC’97 L
INK
B
US
P
ROTOCOL
.............................................................................................. 5-29
F
IGURE
5-11.
CS4297A A
UDIO
C
ODEC
F
UNCTIONAL
B
LOCK
D
IAGRAM
................................................... 5-30
F
IGURE
5-12.
AOL I
MPLEMENTATION
(G
ENERIC
R
EPRESENTATION
) ....................................................... 5-34
F
IGURE
5-13.
R
EMOTE
S
ENSE
A
LERT
I
MPLEMENTATION
(G
ENERIC
R
EPRESENTATION
)............................ 5-35
F
IGURE
5-14.
RSA L
OGIC
, B
LOCK
D
IAGRAM
........................................................................................... 5-35
F
IGURE
6–1.
P
OWER
D
ISTRIBUTION AND
C
ONTROL
, B
LOCK
D
IAGRAM
....................................................... 6-1
F
IGURE
6–2. P
OWER
C
ABLE
D
IAGRAM
....................................................................................................... 6-5
F
IGURE
6–3.
L
OW
V
OLTAGE
S
UPPLY AND
D
ISTRIBUTION
D
IAGRAM
........................................................... 6-6
F
IGURE
6–4. S
IGNAL
D
ISTRIBUTION
D
IAGRAM
, T
YPICAL
C
ONFIGURATION
................................................ 6-7
F
IGURE
6–5. H
EADER
P
INOUTS
.................................................................................................................. 6-8
F
IGURE
B–1. ASCII C
HARACTER
S
ET
........................................................................................................B-1