HOT-543 Motherboard Settings and Configuration

Processor	Pentium
Processor Speed	75/90/100MHz
Chip Set	OPTI
Max. Onboard DRAM	128MB
Cache	64/128/256/512/1024/2048KB
BIOS	Award
Dimensions	330mm x 220mm
I/O Options	32-bit VESA local bus slots (2), 32-bit PCI slots (4)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J1	32-bit PCI slots	PCI1 - PCI4
External battery	J2	Reset switch	S1
Speaker	JP12	32-bit VESA local bus	SL1 - SL2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	JP15	Closed
»	Back-to-Back I/O cycle select fast	JP20	Open
	Back-to-Back I/O cycle select slow	JP20	Closed
»	LDEV# type select end of first T2	JP21	Open
	LDEV# type select end of second T2	JP21	Closed
»	Monitor type select color	JP23	Closed
	Monitor type select monochrome	JP23	Open
»	Factory configured - do not alter	JP34	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1
2MB	(2) 256K x 36	NONE
4MB	(2) 512K x 36	NONE
4MB	(2) 256K x 36	(2) 256K x 36
6MB	(2) 256K x 36	(2) 512K x 36
8MB	(2) 1M x 36	NONE
8MB	(2) 512K x 36	(2) 512K x 36
12MB	(2) 512K x 36	(2) 1M x 36
16MB	(2) 2M x 36	NONE
16MB	(2) 1M x 36	(2) 1M x 36
24MB	(2) 1M x 36	(2) 2M x 36
32MB	(2) 4M x 36	NONE
32MB	(2) 2M x 36	(2) 2M x 36
40MB	(2) 1M x 36	(2) 4M x 36
48MB	(2) 2M x 36	(2) 4M x 36
64MB	(2) 8M x 36	NONE
64MB	(2) 4M x 36	(2) 4M x 36
96MB	(2) 4M x 36	(2) 8M x 36
128MB	(2) 8M x 36	(2) 8M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG0	TAG1	TAG2
64KB	(8) 8K x 8	NONE	(1) 8K x 8	(1) 8K x 8	(1) 16K x 1
128KB	(8) 8K x 8	(8) 8K x 8	(1) 8K x 8	(1) 8K x 8	(1) 16K x 1
256KB	(8) 32K x 8	NONE	(1) 8K x 8	(1) 8K x 8	(1) 16K x 1
512KB	(8) 32K x 8	(8) 32K x 8	(1) 8K x 8	(1) 8K x 8	(1) 16K x 1
512KB	(8) 64K x 8	NONE	(1) 32K x 8	(1) 32K x 8	NONE
1MB	(8) 128K x 8	NONE	(1) 32K x 8	(1) 32K x 8	NONE
2MB	(8) 128K x 8	(8) 128K x 8	(1) 128K x 8	(1) 128K x 8	NONE

CACHE JUMPER CONFIGURATION
Size	JP4	JP5	JP6	JP7	JP8	JP9	JP10	JP11	JP35
64KB	1 & 2	1 & 2	1 & 2	Open	Open	Open	Open	Open	Open
128KB	2 & 3	2 & 3	2 & 3	Open	Open	Closed	Open	Open	Open
256KB	1 & 2	1 & 2	1 & 2	Open	Closed	Closed	Open	Open	Open
512KB	2 & 3	2 & 3	2 & 3	Closed	Closed	Closed	Open	Open	Open
512KB	1 & 2	1 & 2	1 & 2	Closed	Closed	Closed	Open	Open	2 & 3
1MB	1 & 2	1 & 2	1 & 2	Closed	Closed	Closed	Closed	Open	2 & 3
2MB	2 & 3	2 & 3	2 & 3	Closed	Closed	Closed	Closed	Closed	1 & 2
Note: Pins designated should be in closed position.

CPU SPEED CONFIGURATION
Speed	JP13
75MHz	pins 5 & 6 closed
90MHz	pins 3 & 4 closed
100MHz	pins 1 & 2, 5 & 6 closed

CPU BUS/CORE CONFIGURATION
Ratio	JP2
1/2 Bus/Core Ratio	Closed
2/3 Bus/Core Ratio	Open

AT BUS CLOCK CONFIGURATION
Type	JP18	JP19
LCLK/2	Open	Open
LCLK/3	Closed	Open
LCLK/4	Open	Closed
LCLK/5	Closed	Closed

LCLK CONFIGURATION
Setting	JP16	JP27	JP28	U77
External	Closed	pins 2 & 3 closed	pins 2 & 3 closed	Installed
Internal	Open	pins 1 & 2 closed	pins 1 & 2 closed	Not Installed

VESA WAIT STATE CONFIGURATION
Wait states	JP24
0 wait states	Open
1 wait state	Closed

BUS SPEED CONFIGURATION
CPU speed	JP25
<= 33MHz	Closed
> 33MHz	Open