My test (setA1 actived)

Micro A1 @ 800Mhz with 512mb ram

RAGEMEM v0.37 - compiled 11/06/2010

CPU: IBM PowerPC 750 FX 2.2 @ 800Mhz

Caches Sizes: L1: 32 KB - L2: 512 KB - L3: none
Cache Line: 32

---CPU---
MAX MIPS: 1595


---L1---

READ32: 3046 MB/Sec
READ64: 6090 MB/Sec
WRITE32: 2708 MB/Sec
WRITE64: 4062 MB/Sec

---L2---

READ32: 1587 MB/Sec
READ64: 2154 MB/Sec
WRITE32: 1423 MB/Sec
WRITE64: 2012 MB/Sec


---RAM---

READ32: 246 MB/Sec
READ64: 246 MB/Sec
WRITE32: 138 MB/Sec
WRITE64: 138 MB/Sec
WRITE: 669 MB/Sec (Tricky)

---VIDEO BUS---

READ: 13 MB/Sec
WRITE 134 MB/Sec

@netrot

The last official Uboot firmware is 1.1.1 tell me if you have newer.
Yes the ram module is different.

@netrot

I too have bought from the same seller:

Manifactor ATP

Chip Samsung

323771500008

AN28V72X8SSGAS

1024MB PC133 ECC

which version you have of Uboot ?

@netrot

your ram is ecc or no-ecc ?

@netrot

hallo
you have a PM :)