This Machine can take ECC or non-ECC memory. When you mix ECC with
non-ECC, the ECC function will be disabled. For the non-ECC memory see
"IBM PC 300PL 6594-B1U (PC800) (non-ECC) Memory"
This Machine may require a BIOS upgrade to use 8 device 256MB, 4 device 128MB, or 2 device 64MB Rambus modules.