Portable III

Document Number: 107315-025, Volume 1
Publication Date: January 1996

System Boards	Assembly	Spare Part
80286 System Board	000540	107372-001
80286 System Board	000709	107372-001

**System Board Jumper Settings (000540 and 000709)**
Jumper Settings *	Function
E1-1 to E1-2 **	CPU speed 12 or 8 MHz when accessing diskette drive
E1-2 to E1-3	CPU speed 8 MHz when accessing diskette drive
E2	Reserved - No jumper installed
E3-1 to E3-2 **	Serial device COM1
E5-2 to E16-2	IRQ4
E3-2 to E4-2	Serial device COM2
E5-1 to E5-2	IRQ3
E3-1 to E4-1	Modem for COM1
E16-1 to E16-2	IRQ4
E4-1 to E4-2 **	Modem for COM2
E5-1 to E16-1	IRQ3
E7-2 to E7-3 **	Enable parallel interface
E7-1 to E7-2	Disable parallel interface
E8-1 to E8-2 **	Diskette drive primary address
E8-2 to E8-3	Diskette drive secondary address
E8-4 to E8-5 **	Hard Drive primary address
E8-5 to E8-6	Hard Drive secondary address
E10-1 to E10-2	16-KB ROM
E10-2 to E10-3 **	32-KB ROM
E12-1 to E12-2	Enable ROM set 2
E12-2 to E12-3 **	Disable ROM set 2
E17-2 to E17-3 ** and E17-4 to E17-5	No extended memory when using the expanded memory board
E17-2 to E17-3 and E17-5 to E17-6	Address bank 1 (extended memory) (J201 and J202)
E17-1 to E17-2 and E17-4 to E17-5	Address bank 1 and 2 (extended memory) (J201 through J204)
E17-1 to E17-2 and E17-5 to E17-6	Address banks 1, 2, and 3 (extended memory) (J201 through J206)

* If another serial device or third-party modem is used, the jumpers for that device address must be removed.
**Default.

**System Board SW1 Switch Settings (000540 and 000709)**
1	2	3	4	5	6	7	8	Function
OFF*	OFF *							0-640 KB
ON	OFF							0-256 KB
OFF	ON							0-512 KB
ON	ON							Reserved
		ON*	OFF*					Select 256 KB X 9 DRAM module for expansion memory
		OFF	ON					Select 1 MB X 9 DRAM module for expansion memory
		OFF	OFF					Reserved
		ON	ON					Reserved
				ON *				Enable Hard Drive
				OFF				Disable Hard Drive
					OFF *			CPU boot speed 12 MHz
					ON			CPU boot speed 8 MHz
						ON *		Plasma display in CGA mode
						OFF		Plasma display in monochrome mode
							OFF	Reserved

*Default.

Memory Boards	Assembly	Spare Part
Expanded Memory	000718	107805-001
Memory Expansion	000543	107378-001

**Expanded Memory Board (000718)**
Jumper	Function
E1 1-2 * E2 1-2 *	256-KB modules installed
E1 2-3 E2 2-3	1-MB modules installed

*Default.

**Memory Expansion Board (000543)**
Jumper	Function
1-2 *	256-KB modules installed
2-3	1-MB modules installed

*Default.

Memory Modules	Spare Part
256 X 9 SIMM	107380-001
1 MB X 9 SIMM	107379-001

Video Boards	Assembly	Spare Part
Enhanced Color Graphic Board * ***	000410	Not Available
Enhanced Color Graphic Board * ***	000471	109196-001
Plasma Display Controller Board	000392	107374-001
Plasma Display Controller Board ***	000932	107374-001
Video Graphics Ctrlr. Board (VGC) * *	000806	109253-001
Video Graphics Ctrlr. Board (VGC) * *	001241	109253-001
Video Graphics Ctrlr. Board (VGC) * *	109360	109253-001
Advanced Graphics 1024 Board *	109958	114201-001
Advanced Graphics Memory Board **	109959	114202-001
QVision 1280/I Controller Board ***	002951	139182-001

* ECG and VGC require system ROM K or later.
** Installed in Expansion Unit only. The VGC Board is required for the Advanced Graphics Color Monitor to display both normal VGA and high-resolution video (single-monitor configuration).
*** See Volume 2 Appendix, Multiproduct Boards, for settings.

**Plasma Display Controller Board (000392)**
Jumper E1	Function
1 - 2 *	Primary Address 3XXX
2 - 3	Secondary Address 2XXX

*Default..

**Hard Drives**
Size	Type	Interleave	Integrated	Min ROM	Spare Part
20 MB	2	1:1	Y	K	Not Available
20 MB	2	3:1	Y	K	Not Available
40 MB	17	3:1	Y	K	Not Available
40 MB3	224	1:1	Y	R.2	Not Available
40 MB3	43	1:1	Y	F	Not Available
84 MB3	27	1:1	Y	K	Not Available
100 MB3	45	1:1	Y	K	142365-0011
120 MB3, 5	45	1:1	Y	K	161832-0012

¹ Except Europe.
² Europe only.
³ Requires MS-DOS 3.2 or later.
⁴ Drive type 17 if ROM earlier than R.2 is used.
⁵ Formats to 100 MB.

Tape Drives	Spare Part	Tape Cartridge	Spare Part
40 MB *	107785-001	40 MB (DC2000)	108142-001

* Used in Expansion Unit only.

Diskette Drives	Spare Part
360 KB	107360-001
1.2 MB	107359-001
1.44 MB *	109595-001

* Requires system ROM N.2 or later for use with MS-DOS and system ROM P.2 or later for use with MS OS/2 Version 1.1. Requires MS-DOS Version 3.31.

Miscellaneous	Assembly	Spare Part
2400 Baud Internal Modem	CEF6CK14373	107791-001
Serial/Parallel Interface Board **	000570 000990	106886-001
16-Bit Memory/Modem	000549	107375-001
16-Bit Memory/Modem	000755	107375-001
Second Serial Board *	000715	107871-001 *
1200 Baud Internal Modem	107041	107376-001

* Not available for use in the U.S. and Canada.
** See Volume 2 Appendix, Multiproduct Boards, for settings.

Cables	Used With	Spare Part
Mass Storage Power Cable	Hard Drive (Drive C)	101741-001 (6-inch)
Mass Storage Power Cable	Hard Drive (Drive D) and All Diskette Drives	101741-004 (15-inch)
Hard Drive Signal Cable	All Hard Drives	107176-001
Diskette Signal Cable	All Diskette Drives (Single)	107177-001
Diskette Signal Cable	All Diskette Drives (Dual)	107177-002
Display Data Cable	Display	107171-001
Display Controller Cable	Display	107173-001
Display Intensity Cable	Display	107174-001
Display Power Cable	Display	107175-001
RGB Port Cable	Display	107172-001
Modem Jack Cable	Modem (RJ11 to RJ11)	107518-001
Cable Kit	All	107382-001
VGA Pass-Through Cable	Advanced Graphics	114229-001

Processor Location (80286-12)	Coprocessor Location (80287-8)
U52	U43

**System ROM Locations**
U72 ODD	U89 EVEN

**System ROM Revisions (Spare Part 107592-001)**
Revision	Number on ODD ROM	Number on EVEN ROM	Size
K	106778-002	106779-002	16 KB
N.2	107824-001	107825-001	32 KB
P.2	109737-001	109738-001	32 KB
R.2	109737-002	109738-002	32 KB

Power Supply/Battery	Spare Part
Power Supply	107373-001
Battery	107385-001 (For System Board 000709-001)
Battery/Clock Module	107872-001 (For System Board 000709-003)