1
1999 Integrated Device Technology, Inc.
DSC XXXX/x
APRIL 1999
IDT 64-BIT PCI PASSIVE
BACKPLANE
ADVANCE
INFORMATION
IDT7M9564
FEATURES:
Five 64-bit PCI slots including:
-Two PCI card edge slots (Slot 1: 5V; Slot 2: 3.3V)
-Two compact PCI slots (Slot 3: System/Peripheral; Slot 4: Peripheral)
-One PCI mezzanine card (PMC) slot (Slot 5 with 64-Bits of user I/O)
Any PCI slot can act as a master
Pushbutton reset
Uses standard PC power supply connectors
5 Volt to 3.3 volt switching regulator supports 3.3V PCI devices
In system programmable PCI bus arbiter
On-board jumper allows use of system card in Slot 3. System slot provides clocks, arbitration and reset signals.
33 MHz or 66 MHz PCI Clock Supported
BLOCK DIAGRAM
6 6 . 6 6
M H z
O S C
P L L
C lo c k
S lo t 5
P M C
S lo t 2
P C I 6 4
3 . 3 V
S lo t 1
P C I 6 4
5 V
S lo t 3
C o m p a c t P C I
S ys te m S lo t
S lo t 4
C o m p a c t P C I
+ 3 .3 V
+ 5 V
+ 1 2 V
-1 2 V
RE
Q,
R
EQ
64
*
GN
T
RE
Q,
R
EQ
64
*
GN
T
RE
Q,
R
EQ
64
*
RE
Q,
R
EQ
64
*
RE
Q,
R
EQ
64
*
GN
T
GN
T
GN
T
P C I
B u s
A rb i te r
St
a
n
d
a
r
d
PC
Po
w
e
r
S
u
pp
l
y
C
o
n
n
e
c
t
or
-1 2 V
+ 5 V
L E D
+ 5 V
L E D
S ys te m S lo t C P C I
L E D
+ 3 V
6 4 B i t
P C I
B u s
S w i tc h in g
V o lta g e
R e g u l a to r
+ 5 V
+ 3 .3 V
7 4 F C T 3 8 8 9 1 5 T
5
O E
A
B
B ia s
V C C
7 4 F S T 6 8 0 0
+ 4 .3 V
R E Q 6 4 *
G N T *
5
5
+ 1 2 V
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