MacSE Prototype Developer Manual

'(( July 10, 1986 CONTENTS • (":(~ PART 1 Freeport Product Description PART 2 Freeport System: Comparison with MacPlus PART 3 Main Lo&f c Board (Mother Board) PART 4 Hi&h Performance Expansion Slot PART 5 Apple DeskTop Bus and Human Interface Peripherals PART 6 SCSI Interface to Hard Disk PART 7 Floppy Disk Interface PART 8 Serial Ports PART 9 Customizable VO Port, Removable Door PART 10 Power (Current) Bud1et PART 11 Software and Firmware PART 12 Miscellaneous ( f PART 1 Freeport Product ·Description - 7-10-86 PART 1 Freeport Product Description General l=reepon is an enhanced Macintosh Plus that suppons internal and extrmal customized expansion options includina: from Apple Computer.Inc. • Inu:mal 20MB Hard Disk or a Second Internal Sony Floppy Disk Drive and from third party vendors • • External Video Board • Ethernet/Token Ring Interface Board I, ~; • Modem Board • Accelerator/Coprocessor Boards • Etc.(This list is suggestive only, not limiting) Freepon suppons the same peripherals as Macintosh Plus except that the keyboard and mouse follow the new corporate Apple DeskTop Bus design. ',r' ! Product Desi2n External Features • Same overall form factor as Macintosh Plus • Apple DeskTop Bus keyboard and mouse (two connectors at rear) • Floppy disk slot meam1ined. compatible wilh new fro& styling •Restyled front bezel and rear housing, ventilalion slots added for better cooling • Optional pluggable slot in front housing, for a second internal floppy disk drive • Plastic snap-out door at rear to support out-of-box I/O Internal Features • Optional hard disk or optional second Sony, above the standard Sony disk drive - • Higher capacity power supply to support die optional floppy or hard disks •Connectors for the optional floppy, optional ~CSI hard disk. and expansion hardware (daughterboard or external) • Fan for cooling •New swing-away logic board mounting to allow insertion with third-party daughterboard present Hardware Logic Board • 8 MHz 68000 CPU • Enhanced memory access yields 16.8% increase.cl speed when operating from RAM • Gate array implementation of PAL and discrete logic devices * Seven year lithium bane:y for clock and calendar * Internal- two Floppy Disk and SCSI connectors • Extcmal--two Serial, two Apple DeskTop Bus, SCSI, Floppy Disk. and Sound pon connectors Analo& Section * New 80 Wan. wide input range power supply * Improved display sweep section *Fan Software System * New ROM with minimum changes from Macintosh Plus * Changes include new SCSI manager, support for Apple DeskTop Bus, and modifications to the AppleTalk drivers to support the new Apple serial pon azchiteemrc Application • r·· '· * Boot chooser to allow stan·up drive selection * Compatible with Macintosh Plus Options • Internal 20 Megabyte SCSI hard disk compatible with SCSI HD-20, or a second SOOK internal floppy disk drive Freeport FRONT BEZEL '( .. . .... ..... ~ ~ .. . . . • : .. T~ YE…