System Memory; Memory Configurations - Asus Xeon 5U Rackmount Server AP1720-E1 User Manual

2.4

System memory

The motherboard comes with four Double Data Rate (DDR) Dual Inline
Memory Module (DIMM) sockets. These sockets support up to 4GB
system memory using 184-pin unbuffered ECC or non-ECC PC2700/
PC2100 DDR DIMMs, and allow up to 5.33GB/s data transfer rate.
The following figure illustrates the location of the DDR DIMM sockets.
PC-DL 184-Pin DDR DIMM Sockets

2.4.1 Memory configurations

Mode
Single-channel
Dual-channel
* For dual-channel configuration (3), you may:
• install identical DIMMs in all four sockets
or
• install identical DIMM pair in DIMM_A1 and DIMM_B1 (blue sockets)
and identical DIMM pair in DIMM_A2 and DIMM_B2 (black sockets)
2-10
PC-DL
DIMM_A1
(blue)
(1) Populated
(2) —
(3) —
(4) —
(1) Populated
(2) —
(3)* Populated
SOCKETS
DIMM_A2 DIMM_B1
(black) (blue)
— —
Populated —
— Populated
— —
— Populated
Populated —
Populated Populated
Chapter 2: Hardware setup
DIMM_B2
(black)
—
—
—
Populated
—
Populated
Populated