80
A
A
K
K
7
7
6
6
F
F
-
-
4
4
0
0
0
0
N
N
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
E
E
E
E
P
P
R
R
O
O
M
M
(
(
E
E
l
l
e
e
c
c
t
t
r
r
o
o
n
n
i
i
c
c
E
E
r
r
a
a
s
s
a
a
b
b
l
l
e
e
P
P
r
r
o
o
g
g
r
r
a
a
m
m
m
m
a
a
b
b
l
l
e
e
R
R
O
O
M
M
)
)
Also known as E
2
PROM. Both EEPROM and
Flash ROM
can be re-programmed by electronic signals, but the interface technology is
different. Size of EEPROM is much smaller than flash ROM.
E
E
P
P
R
R
O
O
M
M
(
(
E
E
r
r
a
a
s
s
a
a
b
b
l
l
e
e
P
P
r
r
o
o
g
g
r
r
a
a
m
m
m
m
a
a
b
b
l
l
e
e
R
R
O
O
M
M
)
)
Traditional motherboard stores BIOS code in EPROM. EPROM can only be erased by ultra-violet (UV) light. If BIOS has to be upgraded,
you need to remove EPROM from motherboard, clear by UV light, re-program, and then insert back.
E
E
V
V
6
6
B
B
u
u
s
s
EV6 Bus is the technology of Alpha processor from Digital Equipment Corporation. EV6 bus uses both rising and falling clock edge to
transfer data, similar as DDR RAM or ATA/66 IDE bus.
EV6 Bus Speed = CPU external bus clock x 2.
200 MHz EV6 bus
, 200MHz = 100 MHz external bus clock x 2
F
F
C
C
C
C
D
D
o
o
C
C
(
(
D
D
e
e
c
c
l
l
a
a
r
r
a
a
t
t
i
i
o
o
n
n
o
o
f
f
C
C
o
o
n
n
f
f
o
o
r
r
m
m
i
i
t
t
y
y
)
)
The DoC is component certification standard of FCC EMI regulations. This standard allows DIY component (such as motherboard) to apply
DoC label separately without a shielding of housing.
F
F
C
C
-
-
P
P
G
G
A
A
(
(
F
F
l
l
i
i
p
p
C
C
h
h
i
i
p
p
-
-
P
P
i
i
n
n
G
G
r
r
i
i
d
d
A
A
r
r
r
r
a
a
y
y
)
)
FC means Flip Chip, FC-PGA is a package of Intel for Pentium III for 0.18µm process CPU, which can be plugged into SKT370 socket.
