CONTENTS
Technical Specification
Important Notes to Service Engineers
FD-5 Maintenance and Alignment Information
Exploded View 1
Exploded View 2
Circuit Board Views
Alignment Instructions
FD-5 Control Board Schematic Diagram
Cabinet Drawing & Parts List
CPU/Switch/Battery P.C.B.'s
Memory/Fuse/Volume P.C.B.'s
Modem P.C.B. Component Layout
Keyboard Schematic Diagram
Chassis Schematic Diagrams
Power Supply Schematic Diagram
Modem Chassis Schematic Diagrams
Electrical Parts List
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TECHNICAL SPECIFICATION
PPC640
- Parallel Centronics Printer Port
- Compartment for 10 Alkaline C Cells to give up to 8 hours
use.
- 8086 16-bit processor, 8MHz clock.
- 640k Ram, 64k Video Memory.
- Integrated display adaptor fully compatible with MDA and CGA.
Drive either the LCD panel or an external monitor.
- 640 x 200 pixel supertwist LCD panel supports all CGA and
MDA graphics and text modes. Display can be tilted to 6
viewing angles and contrast is fully adjustable to allow for
different lighting conditions.
- Integral Modem which supports
V21 (300 bps) Full Duplex
V23(1200/75bps)
V22 (1200 bps) Full Duplex
V22bis (2400 bps) Full Duplex
- Hayes Command compatible; auto-dialling, auto answer
-
Includes Serial Port.
-
AC Mains Adaptor.
-
Enhanced AT type keyboard with 102 keys.
-
Single or Twin 720K 3'/2 inch Disk Drives.
-
Microsoft MS-DOS 3.3 Operating System
-
Mirror II Communications Software.
-
Built-in Super Twist, 640 x 200 resolution, with grey scale
emulation; hardware to drive any external CGA monitor.
- Speaker with volume control.
- Battery backed real time clock with scratchpad RAM.
- Socket for 8087 maths co-processor.
- Socket for PPC640 expansion box (to accept IBM compatible
expansion cards and hard disk).
- Carrying case with pockets for manual and
disks.
- Carrying size closed:
Length: 450mm (17 3/4") excluding handle.
Depth: 230mm (9")
Height: 100mm (4")
Weight: 5.4Kg (11 3/4lb) excluding batteries.
PPC512
- PPC512 specification as PPC640 but with 512K Ram and
without integral modem and Mirror II Communications Software.
- Single or Twin 720K 3'/2 inch Disk
Drives.
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