Hitachi GR2000 manual RP Memory Increment by RP Type, Resulting Memory Capacity MB

		GR2000-4H,	GR2000-10H,
		GR2000-6H	GR2000-20H
Increment unit	GR2000-2S	BCU-S300S	BCU-S850S
		BCU-H300H	BCU-H850H
		BCU-M300H	BCU-M850H
		BCU-L300H	BCU-L850H
Base	64MB	128M	256MB
Add One MS64	128MB	---
Add One MS128	---	256MB	---
Add Two MS128s and	256MB	---
Remove Base (64MB)*
* Removed base memory of BCU can be utilized for RP memory increment.

Table 4-9	RP Memory Increment by RP Type
RP Type			Resulting Memory Capacity MB
		Base		Add One MS64	Add One MS1
RP-A1 or equivalent		32		96	Not applicab