Purple Computing Booster Pack Part no ... desc. BP-1 Basic platform for M100 Includes 1 system ROM (environment and control software and TS-DOS), 8K system RAM, Manual, Case, Prop legs, Cables, and 16 empty sockets for 32Kx8 RAM and/or EPROM chips. Two sockets are Molex type like the M100 ROM socket. One RAM socket is exclusively used for a copy of the currently selected ROM, and a RAM chip is required in this socket if ROMs are to be used. BP-2 ... same as above except for the M102 BP-3 32Kx8 RAM chip part # HM62256LP-xx or SRM20256LC-xx and lots of other part #s. You want "low power" CMOS STATIC RAM BP-9 XTEL + Asteroids ROM This ROM is automatically loaded into ram-disk ram when first detected. BP-6 NICAD battery pack Consists of 5 nicad AA cells in a plastic case designed to fit inside the BP. It is basically just a portable A/C adapter for your M100/102. It plugs into your M100/102 instead of the A/C adapter. You can plug your M100/102 A/C adapter into the battery pack and charge it while using it. Keep your Alkaline batteries fresh and use them for backup. When the nicad runs down, just unplug it and run on the internal Alkalines. Purple Computing ... 503-479-8087 PO BOX 100, 2048 Southside Rd., Murphy, OR. 97533