Z-159 Motherboard Settings and Configuration

Processor	8088
Processor Speed	4.77/8MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	1.2MB
Maximum Video Memory	None
Cache	None
BIOS	Unidentified
Dimensions	Unidentified
I/O Options	External memory card, CPU slot
NPU Options	8087

CONNECTIONS
Purpose	Location	Purpose	Location
Video slot	SL1	Floppy drive slot	SL4
Hard drive slot	SL2	Memory slot	SL5
CPU slot	SL3

CONNECTIONS
Purpose	Location
Clock speed switch	CN1

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Floppy drives enabled	SW101/0	Off
	Floppy drives disabled	SW101/0	On
	NPU not installed	SW101/1	On
	NPU installed	SW101/1	Off
	Memory wait state select 3 wait states	SW101/2	Off
	Memory wait state select 0 wait state	SW101/2	On
	Monitor ROM RAM protected	SW101/3	Off
	Monitor ROM RAM unprotected	SW101/3	On
»	Factory configured - do not alter	SW102/0	On
	Video refresh rate select 50Hz	SW102/7	Off
	Video refresh rate select 60Hz	SW102/7	On

DRAM CONFIGURATION

Note: The size of the memory chips is unidentified.

DRAM JUMPER CONFIGURATION
Size	SW102/1	SW102/2	SW102/3	SW102/4
256KB	Off	Off	On	On
320KB	On	On	Off	On
384KB	Off	On	Off	On
448KB	On	Off	Off	On
512KB	Off	Off	Off	On
576KB	On	On	On	Off
640KB	Off	On	On	Off

SYSTEM AUTO BOOT CONFIGURATION
Setting	SW102/5	SW102/6
Monitor	On	On
Floppy drive	Off	On
Hard drive	On	Off

FLOPPY DRIVE SELECTION
Drives installed	SW101/6	SW101/7
1	On	On
2	Off	On
3	On	Off
4	Off	Off

MONITOR SELECTION
Drives installed	SW101/4	SW101/5
EGA	On	On
Color (40 x 25)	Off	On
Color (80 x 25)	On	Off
Monochrome	Off	Off

CONNECTIONS
Purpose	Location
Parallel port	CN1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	EMS RAM has system RAM	SW401/1	Off
	EMS RAM only	SW401/1	On
»	Memory size select 640KB	SW401/2	Off
	Memory size select 512KB	SW401/2	On
»	EMS RAM disabled	SW401/3	On
	EMS RAM enabled	SW401/3	Off
»	EMS frame address select D0000 – DFFFF	SW401/4	Off
	EMS frame address select E0000 – EFFFF	SW401/4	On
»	Parallel port IRQ7 enabled	SW401/7	On
	Parallel port IRQ7 disabled	SW401/7	Off
»	EMS upgrade not installed	SW401/10	Off
	EMS upgrade installed	SW401/10	On

EMC CARD SELECTION
Card	SW401/5	SW401/6
1	On	On
2	On	Off
3	Off	On
4	Off	Off

PARALLEL PORT ADDRESS SELECTION
Setting	SW401/8	SW401/9
LPT1 (378 - 37A)	Off	On
LPT2 (3BC – 3BE)	On	Off
278 – 27A	On	On
Disabled	Off	Off