Specifications

180
A
A
K
K
7
7
3
3
-
-
1
1
3
3
9
9
4
4
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
Glossary
R
R
I
I
M
M
M
M
184-pin memory module that supports RDRAM memory technology. A RIMM memory module
may contain up to maximum of 16 RDRAM devices.
S
S
D
D
R
R
A
A
M
M
(
(
S
S
y
y
n
n
c
c
h
h
r
r
o
o
n
n
o
o
u
u
s
s
D
D
R
R
A
A
M
M
)
)
SDRAM is one of the DRAM technologies that allows DRAM to use the same clock as the CPU
host bus (EDO
and FPM are asynchronous and do not have clock signal). It is similar as
PBSRAM
to use burst mode transfer. SDRAM comes in 64-bit 168-pin DIMM and operates at
3.3V. AOpen is the first company to support dual-SDRAM DIMMs onboard (AP5V), from Q1
1996
S
S
h
h
a
a
d
d
o
o
w
w
E
E
2
2
P
P
R
R
O
O
M
M
A memory space in Flash-ROM to simulate E
2
PROM operation, AOpen motherboard uses
Shadow E
2
PROM for jumper-less and battery-less design