1.

Shut Down Operating System Software, and turn off CPU Power Switch.

2.

Disconnect Power Cord from AC Wall Outlet then from rear panel of CPU Case.

3.

Remove existing cables from rear panel of CPU Case such as cables for the keyboard, mouse, network, serial, parallel, video, sound, speakers, etc.

4.

Remove CPU Case Cover; four coarse thread screws _", and blow dust out of inside of CPU case, at your convenience.

5.

Install included WriteBack Floppy Disk Drive into second floppy disk slot in CPU Case; four fine thread screws ??

6.

Remove existing Internal Floppy Disk Cable noting Pin 1 (red side of ribbon cable) orientation in all connectors.

7.

Install included WriteBack Floppy Disk Cable noting pin one (red side of ribbon cable) orientation between motherboard connector and mating connectors on existing Internal Floppy Disk Drive and WriteBack Floppy Disk Drive.

8.

Install included WriteBack Enclosure in top, 5 _" slot of CPU Case with WriteBack Switches to the right as you face the front of CPU Case; four fine thread screw _" with washers as required for a secure fit.

9.

Choose an open ISA or PCI slot on the motherboard to be used by included WriteBack Controller Card. Orient WriteBack Controller Card with the components facing you and the wired connectors at the top. If you plan to use an ISA slot then remove the left metal tab from WriteBack Controller Card. If you plan to use a PCI slot then remove the right metal tab from WriteBack Controller Card. If CPU Case has an existing tab then remove it first before installing WriteBack Controller Card.

10.

Install included WriteBack Controller Card into the selected slot. Secure WriteBack Controller Card Tab; one coarse thread hex-head screw ??".

11.

Plug 10-pin ribbon cable connector on included Floppy Disk Cable into 10-pin connector on WriteBack Controller Card noting Pin 1 orientation.

12.

Plug included Blue/White Reset Cable onto one pair of pins labeled "System Reset Cables" on WriteBack Controller Card. Plug other end of this Blue/White cable onto the pair of pins on motherboard in place of existing Reset Switch Cable attached to the CPU Case. Plug Reset Switch Cable attached to the CPU Case into second pair of pins labeled "System Reset Cables" on WriteBack Controller Card.

13.

Plug existing Internal Power Supply Cable into connector on WriteBack Controller Card.

14.

Plug included System Floppy A Disk Power Cable between connector labeled "System Floppy A Disk" on WriteBack Controller Card and connector on Internal Floppy Disk Drive.

15.

Plug included Power Extension Cable between connector labeled "WB Hard Disk & WB Floppy" on WriteBack Controller Card and connector on included "Y" Power Cable. Plug "Y" Power Cable into mating connectors on rear panel of WriteBack Enclosure and WriteBack Floppy Disk Drive.

16.

Plug included WB Switch Cable between connector labeled "WB Switch Cable" on WriteBack Controller Card and connector on rear panel of WriteBack Enclosure.

17.

Install included High Speed UDMA Hard Disk Cable between Secondary Disk Connector on motherboard using end connector of this cable and mating connector on rear panel of WriteBack Enclosure using middle connector of this cable.

18.

Remove existing Primary Hard Disk Cable. Install included High Speed UDMA Hard Disk Cable between Primary Disk Connector on motherboard using end connector of this cable and mating connector on existing Internal System Hard Disk using middle connector of this cable. Connect end connector of this cable to mating connector on Internal CDROM.

19.

Assemble CPU Case Cover; four coarse thread screws _"

20.

Reconnect existing cables to rear panel of CPU Case such as cables for the keyboard, mouse, network, serial, parallel, video, sound, speakers, etc.

21.

Connect Power Cord to rear panel of CPU Case then to an AC Wall Outlet.

22.

Turn on CPU Power Switch. System will startup normally. Note that lights on WriteBack Enclosure and WriteBack Floppy Disk Drive will NOT illuminate until the WriteBack Buttons are activated. See WriteBack Operating Instructions.

23.

Contact Cactus Computer, Inc., by email for additional support, if required, at: support@cactuscomputerinc.com