IAT48PX Motherboard Settings and Configuration

TMC RESEARCH CORPORATION

IAT48PX

Processor
80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed
20/25/33/50 (Internal)/50/60 (Internal)MHz
Chip Set
OPTI
Max. onboard DRAM
32MB
SRAM Cache
64/128/256KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
Floppy drive interface, floppy drive interface, parallel ports (2), serial ports (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Speaker
J1A
Serial port (COM1) DB-9
J6
Power LED & keylock
J1B
Parallel port DP-9
J7
Not used
J1C
10-pin header serial port (COM2)
J8
Turbo switch
J1D
10-pin header serial port (COM1)
J9
Turbo LED
J1E
Parallel port 10-pin header
J10
Reset switch
J1F
No function
J17
IDE interface LED
J1G, J2
Floppy drive interface
J18
External battery
J4
IDE interface
J19
Serial port (COM2) DB-9
J5
16-bit riser card
S1
Note: Depending on the specifications, the IAT48PX will have either 10-pin header serial ports or the DB-9 serial ports.

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
CMOS memory normal operation (Internal Battery)
JP1
pins 2 & 3 closed

CMOS memory normal operation (External Battery)
JP1
Open

CMOS memory clear
JP1
pins 1 & 2 closed
»
Monitor type select color
JP2
Closed

Monitor type select monochrome
JP2
Open
»
Floppy drive interface (J18) enabled
JP3
Closed

Floppy drive interface (J18) disabled
JP3
Open
»
IDE interface enabled
JP4 & JP5
Closed

IDE interface disabled
JP4 & JP5
Open
»
I/O bus speed select ATCLK/4
JP6
Open

I/O bus speed select ATCLK/6
JP6
Closed
»
CPU clock select single frequency
JP7
pins 1 & 2 closed

CPU speed select dual frequency
JP7
pins 2 & 3 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
1MB
(4) 256K x 9
NONE
2MB
(4) 256K x 9
(4) 256K x 9
4MB
(4) 1M x 9
NONE
5MB
(4) 1M x 9
(4) 256K x 9
8MB
(4) 1M x 9
(4) 1M x 9
16MB
(4) 4M x 9
NONE
20MB
(4) 4M x 9
(4) 1M x 9
32MB
(4) 4M x 9
(4) 4M x 9

CACHE CONFIGURATION
Size
Bank 0
Bank 1
U45
U44 (TAG)
64KB
(4) 8K x 8
(4) 8K x 8
(1) 8K x 8
(1) 4K x 4
128KB
(4) 32K x 8
None
(1) 8K x 8
(1) 4K x 4
256KB
(4) 32K x 8
(4) 32K x 8
(1) 8K x 8
(1) 4K x 4

CACHE RN SOCKET CONFIGURATION
Size
RND
RNE
RNF
64KB
Installed
Not installed
Not installed
128KB
Not installed
Installed
Not installed
256KB
Not installed
Not installed
Installed

SERIAL PORT CONFIGURATION
COM1
COM2
RNH
»
COM1
COM2
Installed on 1, 2, 3, and 4

COM1
Disabled
Installed on 2, 3, 4, and 5

Disabled
COM2
Installed on 3, 4, 5, and 6

Disabled
Disabled
Installed on 4, 5, 6, and 7

PARALLEL PORT CONFIGURATION
LPT
Address
RNG
»
1
3BCh - 3BEh
Installed on 2, 3, 4, and 5

2
378h - 37Fh
Installed on 1, 2, 3, and 4

Disabled
N/A
Installed on 4, 5, 6, and 7

CPU TYPE CONFIGURATION
Type
RNA
RNB
RNC
80486SX
Not installed
Not installed
Installed
80487SX
Not installed
Installed
Not installed
80486DX
Installed
Not installed
Not installed
ODP486SX
Not installed
Installed
Not installed
80486DX2
Installed
Not installed
Not installed

Headaches Begone! A Systemic Approach To Healing Your Headaches

Don't Let Your Bike Seat Ruin Your Sex Life Book

IAT48PX Motherboard Settings and Configuration

Search

My Books

Discover

Processor	80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed	20/25/33/50 (Internal)/50/60 (Internal)MHz
Chip Set	OPTI
Max. onboard DRAM	32MB
SRAM Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	Floppy drive interface, floppy drive interface, parallel ports (2), serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	J1A	Serial port (COM1) DB-9	J6
Power LED & keylock	J1B	Parallel port DP-9	J7
Not used	J1C	10-pin header serial port (COM2)	J8
Turbo switch	J1D	10-pin header serial port (COM1)	J9
Turbo LED	J1E	Parallel port 10-pin header	J10
Reset switch	J1F	No function	J17
IDE interface LED	J1G, J2	Floppy drive interface	J18
External battery	J4	IDE interface	J19
Serial port (COM2) DB-9	J5	16-bit riser card	S1
Note: Depending on the specifications, the IAT48PX will have either 10-pin header serial ports or the DB-9 serial ports.

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation (Internal Battery)	JP1	pins 2 & 3 closed
	CMOS memory normal operation (External Battery)	JP1	Open
	CMOS memory clear	JP1	pins 1 & 2 closed
»	Monitor type select color	JP2	Closed
	Monitor type select monochrome	JP2	Open
»	Floppy drive interface (J18) enabled	JP3	Closed
	Floppy drive interface (J18) disabled	JP3	Open
»	IDE interface enabled	JP4 & JP5	Closed
	IDE interface disabled	JP4 & JP5	Open
»	I/O bus speed select ATCLK/4	JP6	Open
	I/O bus speed select ATCLK/6	JP6	Closed
»	CPU clock select single frequency	JP7	pins 1 & 2 closed
	CPU speed select dual frequency	JP7	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
5MB	(4) 1M x 9	(4) 256K x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	Bank 0	Bank 1	U45	U44 (TAG)
64KB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8	(1) 4K x 4
128KB	(4) 32K x 8	None	(1) 8K x 8	(1) 4K x 4
256KB	(4) 32K x 8	(4) 32K x 8	(1) 8K x 8	(1) 4K x 4

CACHE RN SOCKET CONFIGURATION
Size	RND	RNE	RNF
64KB	Installed	Not installed	Not installed
128KB	Not installed	Installed	Not installed
256KB	Not installed	Not installed	Installed

SERIAL PORT CONFIGURATION
COM1		COM2	RNH
»	COM1	COM2	Installed on 1, 2, 3, and 4
	COM1	Disabled	Installed on 2, 3, 4, and 5
	Disabled	COM2	Installed on 3, 4, 5, and 6
	Disabled	Disabled	Installed on 4, 5, 6, and 7

PARALLEL PORT CONFIGURATION
LPT		Address	RNG
»	1	3BCh - 3BEh	Installed on 2, 3, 4, and 5
	2	378h - 37Fh	Installed on 1, 2, 3, and 4
	Disabled	N/A	Installed on 4, 5, 6, and 7

CPU TYPE CONFIGURATION
Type	RNA	RNB	RNC
80486SX	Not installed	Not installed	Installed
80487SX	Not installed	Installed	Not installed
80486DX	Installed	Not installed	Not installed
ODP486SX	Not installed	Installed	Not installed
80486DX2	Installed	Not installed	Not installed