Midway Gauntlet Dark Legacy Universal Conversion Kit Service Manual

Gauntlet: Dark Legacy Universal Conversion Kit 31
Chapter 3 System
These verify Hard Disk Drive functions. Some files can be repaired. These tests are automatic and the 
results appear on the menu screen as they occur. There are no custom settings or adjustable variables in 
these tests. The Player 2 START button aborts the tests.
Hard Drive Connected test verifies interface between CPU Board Assembly and Hard Disk Drive. The 
processor requests disk information. Data cannot be retrieved if there is a...

32Midway Games West Inc.
Chapter 3 System
Use this menu to set the correct time and date for your location.
SWITCHES AND JUMPERS
The CPU and Sound I/O Boards have several hardware variables that can be changed to adapt this assem-
bly to other uses. Jumpers activate circuit paths, and DIP switches select instructions.
Switches
There is one pushbutton switch on the CPU Board Assembly. It resets the CPU Board and restarts the 
game without turning off the power supply. There are two DIP switches on the...

CHAPTER
Gauntlet: Dark Legacy Universal Conversion Kit 33
Wiring
NOTICE: 
Information in this manual may change without notice. Midway Games West Inc. reserves 
the right to make improvements in equipment function, design, or components as progress in engineer-
ing or manufacturing methods may warrant. 

34Midway Games West Inc.
Chapter 4 Wiring
EDGE CONNECTOR CHART
FUNCTION WIRE COLOR PIN PIN WIRE COLOR FUNCTION
Ground Black A 1 Black Ground
Ground Black B 2 Black Ground
+5VDC Red C 3 Red +5VDC
+5VDC Red D 4 Red +5VDC
-5VDC Yellow E 5 Yellow -5VDC
+12VDC Orange F 6 Orange +12VDC
Key N/C H 7 N/C Key
Coin Counter 2 Brown-Red J 8 Brown Coin Counter 1
Not Used N/C K 9 N/C Not Used
Speaker -, Left Brown-Gray L 10 Red-Gray Speaker +, Left
Speaker +, Right Brown-White M 11 Red-White Speaker-, Right
Video Green...

Gauntlet: Dark Legacy Universal Conversion Kit 35
Chapter 4 Wiring
MAIN CABINET WIRING DIAGRAM 

36Midway Games West Inc.
Chapter 4 Wiring
VEGAS CPU BOARD ASSEMBLY
VEGAS CPU ASSEMBLY SWITCH
Note: This switch resets the CPU Board without turning the power off at the power supply.
Designation Location Function Positions State Meaning
S1 Edge near U4 
and U5Resets and 
Restarts 
Game2OffNormal 
Operation
On Forced Reset 

Gauntlet: Dark Legacy Universal Conversion Kit 37
Chapter 4 Wiring
VEGAS CPU BOARD ASSEMBLY JUMPER POSITION CHART
Note 1:  Set both jumpers J1 and J3 to EPROM or Flash ROM mode to use such devices.
Note 2: These jumpers are independent
Note 3: This jumper is independent of the CPU boot ROM size selected
VEGAS CPU BOARD ASSY LED INDICATOR STATUS CHART
Note 1 LED1 monitors CPU power (+3.3 Volts). If this LED is off or blinking, investigate processor circuits. If 
other LEDs are off or blinking at the same...

38Midway Games West Inc.
Chapter 4 Wiring
VEGAS SOUND I/O ASSEMBLY
VEGAS SOUND I/O BOARD ASSY JUMPER POSITION CHART
Note 1 Set Gun 1 (P2) I/O port by setting both J1 and J8 jumpers to input or output mode.
Note 2 Set Gun 2 (P4) I/O port by setting both J3 and J5 jumpers to input or output mode.
Designation Location Function Meaning Position State
J1 (Note 1) Near U9 &  Gun 1 I/0  Input Mode Pins 1 & 2 X
Crystal Y3 Connector P2 Output Mode Pins 2 & 3
J2 Between U35 and U10 Video Sync Positive Sync Jumper...

Gauntlet: Dark Legacy Universal Conversion Kit 39
Chapter 4 Wiring
VEGAS SOUND I/O BOARD ASSEMBLY LED INDICATOR STATUS CHART
Designation Location Function Color State Meaning
LED1 Near U11 SIO Board Green Off No boot ROM
Activity On SIO Board locked up
Blinking Power Fault
LED2 Near U34  Linking Green Off Not in use (no game linking)
Crystal Y1 Connector Status On Normal Linked Operation
Blinking Link Fault
LED3 Near the Jamma -5V Power Red Off No power
Connector indicator On Normal operation
Blinking...

40Midway Games West Inc.
Chapter 4 Wiring
VEGAS SOUND I/O ASSEMBLY DIP-SWITCH SETTINGS
Service technicians may change DIP-switches with AC power on. “*” indicates factory defaults.
DIP Switch U12SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8
Monitor resolution Standard
MediumOff
On*
Monitor Style Video Game
VGAOff*
On
Joystick Type 8-Way
49-WayOff*
On
Switch Condition Normally Closed
Normally OpenOff
On*
Vegas Sound I/O
Board VersionRevisions 1 to 5
Revisions 6+Off
On*
Not UsedOff*
On
Not UsedOff*
On
Not UsedOff*
On...