GVP_PC286_Users_Guide.pdf

QVP/PC286

Powerful 286 PC Emulator for the Amiga 500

The following points were either not mentioned in the

manual or were not stressed strongly enough and bear

repeating:

1. During the installation ofthe PC286 board, check to make

sure that all 100 pins ofthe mini-slot are correctly inserted

into the connector on the PC286 unit. Misalignment can

cause serious damage to both the PC286 unit and the

A500HD orA530 sub-systems.

2. When reconnecting the case ofthe A500HD (or theA530)

it is essential that you correctly connect the power wires

for the fan. Ifyou connect the wires and power on the

unit, but the fan does not spin, then merely reverse the

connection for the fan wires. The heat generated by the

hard drive inside the plastic case can build up without the

fan runningr.c£using the other components inside the case

to fail.

3. When assigning RAM to the PC286 emulator, be sure to

reserve a minimum of 256 kilobytes for the Amiga's

use under AmigaDOS. Failure to do so may result in a

total lockup ofboth machines.

xxxxxx-xx

^ May, 1992

GVP/PC286

The following points were either not mentioned in the

manual or were not stressed strongly enough and bear

repeating:

1. During the installation ofthe PC286 board, check to make

sure that all 100 pins ofthe mini-slot are correctly inserted

into the connector on the PC286 unit. Misalignment can

cause serious damage to both the PC286 unit and the

A500HD orA530 sub-systems.

2. When reconnecting the case ofthe A500HD (or theA530)

it is essential that you correctly connect the power wires

for the fan. Ifyou connect the wires and power on the

unit, but the fan does not spin, then merely reverse the

connection for the fan wires. The heat generated by the

hard drive inside the plastic case can build up without the

fan runningr.c£using the other components inside the case

to fail.

3. When assigning RAM to the PC286 emulator, be sure to

reserve a minimum of 256 kilobytes for the Amiga's

use under AmigaDOS. Failure to do so may result in a

total lockup ofboth machines.

xxxxxx-xx

^ May, 1992

GVP/PC286

4. When assigning RAM to the PC286 emulator, be sure to

use increments of 16 bytes. MS-DOS makes certain

assumtions about 'paragraphs' ofRAM (16 byte chunks),

but the configuration software allows any increment of

RAM to be added. Setting the MS-DOS memory size to

an unusual amount, such as 537kb, will most likely result

in having MS-DOS programs fail or freeze when trying to

load or allocate memory.

5. The GVP/PC286 emulator utilizes an actual 80C286

processor in almost exactly the same way as a standard PC

clone. Ifa software compatibility issue arises, the vendor

ofthe software package should be contacted first to see if

there are any special requirements for running their

software on a clone; more often than not this is the case

rather than a problem with the PC286 itself.

6. When using the PC286 with a GVP A530-Turbo accelerator

for the Amiga 500, it is important to have the 68030's

data caches turned offuntil after the PC286 is up and

running. Turning the cache on while the P286 is not

running, and then attempting to start the PC286 will most

likely cause the PC286 to freeze and crash.

GVP/PC286

GVP/PC

286

Emulator

16-MHz80286PC Compatibility

forthe

GVPA500HD

and

A530 Combo

Expansion Chassis.

GVP/PC286

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