Apple Logic Board Technical Information PDF herunterladen (Seite 55)

I. PASCAL PSEUDO—DISK SYSTEM REQUIREMENTS:

A. HARDWARE REQUIREMENTS:

An Apple II with 48K of on board memory, a least one disk

drive (1—5 drives may be used) and a Saturn Systems Inc. 32K,

64K or 128K RAM Board, are the minimum hardware requirements, for

PASCAL pseudo—disk operation.

Any of the following expansion RAM cards may be used in slot

zero:

A) Apple Language Card

B) 16K RAM card

C) Any Saturn RAM Board (32K, 64K, 128K)

Additional Saturn RAM Boards may also be placed in addi-

tional slots. The memory on these cards (up to a maximum of

256K) may be used as a PSEUDO DISK.

B. SOFTWARE REQUIREMENTS:

The PASCAL Operating System version 2.1, and the Saturn

Systems PASCAL Diskette.

II. VOLUME ASSIGNMENT AND DISK CAPACITY:

The PASCAL Operating System, version 2.1 assigns volume

numbers to disk drives in the following order: 4,5,11,12,9,10.

The Saturn PSEUDO DISK is installed as Volume #10, leaving room

for up to five additional drives to be installed.

Unlike normal disk drives, PSEUDO DISK memory boards may be

installed in any available slot. A maximum of 256K may be insta-

lled as a Saturn PSEUDO DISK yielding 506 blocks available to the

user (after allowing 4 blocks for the disk directory and 2 for

the boot strap).

The following table shows the amount of available memory for

various memory configurations.

Language Card Note:

An article in the December 1981 issue of “SOFTALK” magazine

entitled “Make your Apple More Flexible” describes a method of

modifying the Apple Language Card in such a manner as to disable

the Autostart ROM. With this modification, the capacities listed

for a 16K card may be obtained while using an Apple Language

Card.

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Apple Logic Board Technical Information Seite 55