Asus PCH-DL - Manual (Page 32)

2-14 Chapter 2: Hardware information
Table 1 Recommended memory configurations
* For dual-channel configuration (3), you may:
• install identical DIMMs in all four sockets
or
• install identical DIMM pair in DDR1 and DDR3 (blue sockets)
and identical DIMM pair in DDR2 and DDR4 (black sockets)
Table 2 Memory frequency/CPU FSB synchronization
Obtain DDR DIMMs only from ASUS qualified vendors for better
system performance. Visit the ASUS website (www.asus.com) for the
latest QVL.
Sockets
Mode DDR1 DDR2 DDR3 DDR4
( blue ) ( black ) ( blue ) ( black )
Single-channel (1) Populated — — —
(2) — Populated — —
(3) — — Populated —
(4) — — — Populated
Dual-channel (1) Populated — Populated —
(2) — Populated — Populated
(3)* Populated Populated Populated Populated
CPU FSB DDR DIMM Type Memory Frequency
533 MHz PC2700/PC2100 333/266 MHz
400 MHz PC2100 266 MHz