The 5.25-inch Disk driver is now installed on SYSTEM.DISK that ships with
GS/OS. You do not need to run the Installer to support the 5.25-inch drive,
but you still need to use the Installer to support a SCSI drive.
The 5.25-inch disk driver included with Apple IIGS System Software 5.0 can
support up to fourteen 5.25-inch disk drives. The Apple IIGS limits
5.25-inch drives to slots 4, 5, 6, and 7 when the computer is in fast mode.
When using the Apple IIGS System Software 5.0 and the 5.25-inch driver, you
can now operate 5.25-inch drives in slots 1 through 7, in slow or fast mode.
The 5.25-inch drive does not use a cache, because the 5.25-inch drive does not
provide a method of determining a disk switch. The light on the drive flashes
when the Finder issues the status call to the 5.25-inch driver. The driver
must check the drive to see if a disk is inserted or has changed since
the last status call.
Related Articles
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- Apple IIGS System Disk 5.0: Overview
- Apple IIGS System Disk 5.0: ToolBox Changes
- Apple IIGS System Disk 5.0: Changes to BASIC.SYSTEM
- Apple IIGS System Disk 5.0: Advanced Disk Utility and SCSI Manager