This is the 256MB PC133 SODIMM that came with my MicroA1 and is very stable with both OS4 Update 4 and Debian Woody and Sarge Linux for PPC Kernel 2.4.26.
Encountered complete system lockups after installation of this 512MB PC133 SODIMM module into my MicroA1 after sustained use under both OS4 Update 4 and Debian Woody and Sarge Linux for PPC Kernel 2.4.26.
A 512 MB SD-Ram Module which works under OS4, but sadly ONLLas "One-and-Only" module, a second 512MB (of another type andmanufacturer) did not work (broke UBoot while checjing thehardware. (Couldn't check two modules
Complete model number:HYM71V32C735AT4-H AA, 256MB Sync 133MHz CL3 ECCThis works fine alone in one slot (7 loops OK with memtester) but I get no U-Boot screen at all with two of these in my A1-XE/G4.
Printed on a sticker on the module: 38L5JSOL-1GAGWorks w/o problems under OS4/UBoot BOTH in SLOT 1 and 2.Although it was only tested with ONE module and didn't passsome stress tests in Slot 2 yet.