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THUNDERBOLT
MICRONICS COMPUTERS, INC.

THUNDERBOLT

Processor	AM K5/Pentium
Processor Speed	90/100/120/133/150/166/180/200/233MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	256MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	Phoenix
Dimensions	305mm x 244mm
I/O Options	32-bit PCI slots (4), CD-ROM audio in connectors (3), floppy drive interface, MIDI/game port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, microphone in connector, line in connector, line out connector, modem connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	Reset switch	J23/pins 22 & 23
Serial port 1	J12	Speaker	J23/pins 24 - 26
Serial port 2	J13	Keylock	J40
Floppy drive interface	J14	Chassis fan power	J41
Parallel port	J15	Panasonic CD-ROM connector	J45
USB connector 1	J16	Mitsumi CD-ROM connector	J46
USB connector 2	J16A	Modem connector	J47
IDE interface 1	J17	SCSI interface LED	J49
IDE interface 2	J18	CD-ROM audio in connector	J50
PS/2 mouse port	J19	Modem audio connector	J51
Chassis fan power	J20	MIDI/game port	JP48
Soft off power supply	J23/pins 1 & 2	Microphone in connector	JP48A
IR connector	J23/pins 6 - 10	Line in connector	JP48B
IDE interface LED	J23/pins 13 - 16	Line out connector	JP48C
Power LED	J23/pins 18 - 20	32-bit PCI slots	PC1 � PC4
Note: The location of J20, J45, J46, J47 are unidentified.

USER CONFIGURABLE SETTINGS
Function		Label	Position
�	Factory configured - do not alter	J52	Unidentified
�	Factory configured - do not alter	J53	Unidentified
�	Factory configured - do not alter	J54	Unidentified
�	Factory configured - do not alter	W1	Unidentified
�	Factory configured - do not alter	W7	Unidentified
�	Factory configured - do not alter	W8	Unidentified
�	Factory configured - do not alter	W9	Unidentified
�	Factory configured - do not alter	W10	Unidentified
�	CMOS memory normal operation	W11	Pins 1 & 2 closed
	CMOS memory clear	W11	Pins 2 & 3 closed
�	Flash BIOS write protect disabled	W12	Open
	Flash BIOS write protect enabled	W12	Closed
�	Factory configured - do not alter	W41	Unidentified
�	Wavetable enabled	W48	Closed
	Wave table disabled	W48	Open
�	On board sound enabled	W49	Pins 1 & 2 closed
	On board sound disabled	W49	Pins 2 & 3 closed
�	Factory configured - do not alter	W54	Unidentified
Note: The location of W12 is unidentified.

DIMM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(1) 1M x 64	None
16MB	(1) 2M x 64	None
16MB	(1) 1M x 64	(1) 1M x 64
24MB	(1) 2M x 64	(1) 1M x 64
32MB	(1) 4M x 64	None
32MB	(1) 2M x 64	(1) 2M x 64
40MB	(1) 4M x 64	(1) 1M x 64
48MB	(1) 4M x 64	(1) 2M x 64
64MB	(1) 8M x 64	None
64MB	(1) 4M x 64	(1) 4M x 64
72MB	(1) 8M x 64	(1) 1M x 64
80MB	(1) 8M x 64	(1) 2M x 64
96MB	(1) 8M x 64	(1) 4M x 64
128MB	(1) 8M x 64	(1) 8M x 64
128MB	(1) 16M x 64	None
136MB	(1) 16M x 64	(1) 1M x 64
144MB	(1) 16M x 64	(1) 2M x 64
160MB	(1) 16M x 64	(1) 4M x 64
192MB	(1) 16M x 64	(1) 8M x 64
256MB	(1) 16M x 64	(1) 16M x 64
Note: Board accepts EDO memory.

CACHE CONFIGURATION
Size	Bank 0
256KB	(2) 32K x 32
512KB	(2) 64K x 32
Note: The location of bank 0 is unidentified.