Apple Power Macintosh 6100/66 w/DOS Card Memory

Standard Memory: 8 MB (non-removable) + 0 or 8 MB (removable)
Maximum Memory: 72 MB
Expansion Sockets: 2 sockets (1 bank of 2)
Memory Comments: Modules MUST be installed in pairs. This system supports the Apple DOS card. The maximum memory for the DOS card is 32MB, and has one socket. This card will accept 72pin non-parity SIMMs, 4mb, 8mb, 16mb or 32mb modules.

Processor: 66MHz PowerPC 601