Pins	Rows	Int/Ext	Conn	Types
2	pin/sheeth	Ext	Network	10base2 connection - Coax Cable
2/4	1	Ext	Internet/Modem	RJ-11 -- Standard Phone Cable
3	Triangle	Ext	Power	Power Cord
4	1	Ext	USB	Printer, Scanner, Camera, Mouse, etc (USB Compatable)
4	1	Int	Mini	FDD Power connection
4	1	Int	Molex	HD, CD, CD-R, CD-RW Power connection
4	1	Int	Network	RJ-45 - 10BaseT Connection
5	Large Circle	Ext	AT - Keyboard	Keyboard, Some older WebCams
6	Small Circle	Ext	PS/2	Keyboard, Mouse
8	1	Ext	Network	RJ-45 - 100BaseT Connection
9	2	Ext	Com Port	Old Mouse, Serial Devices
10	2	Int	Com Port	Internal Connection
15	2	Ext	Game Port	Joystick, Game Pad
15	3	Ext	VGA Port	Monitor
25	2	Ext	Parallel Port	Printer -- Computer Side
26	2	Int	Parallel Port	Internal Connection
32	1	Int	SIMM	Memory
34	2	Int	FDD	Motherboard Side of FDD
36	2	Ext	Centronics	Printer -- Printer side
40	2	Int	IDE	Hard Drive, CD, CD-R, CD-RW
50	2	Int	SCSI	Hard Drive, CD, CD-R, CD-RW
72	1	Int	SIMM/DIMM	Memory
168	1	Int	SDRam	Memory
IRQ
0	System Timer		This IRQ is used within the system board for system timing. If a conflict arises with this IRQ chances are the system board is bad, use a diagnostic program to determine if this is the case.
1	Keyboard Controller		This IRQ is assigned to the keyboard. Its never available to other add-in cards. Again if this is the problem, its most likely a problem with the system board.
2	Tied to IRQs 9		This IRQ was assigned to older EGA video cards. Beware, IRQ 9 uses IRQ to communicate with the CPU, therefore this IRQ should only be used under extreme circumstances.
3	COM 2		This IRQ is assigned to the serial ports: COM 2, and COM 4. Avoid setting other devices to this IRQ since mice, modems, and other devices are set to use this IRQ.
4	COM 1		This IRQ is assigned to the serial ports: COM 1, and COM 3. Remember IRQ lines for the most part cannot be shared, so generally you can't have devices on COM 1 and COM 3 that are both active and working.
5	LPT2 or Sound Card		This IRQ is assigned to a secondary printer port LPT2, but in the absence of a second printer port, it is used primarily for sound cards, or as an alternative IRQ for the COM ports.
6	Floppy Disk Controller		This IRQ is assigned to the diskette controller. Few if any devices leave this IRQ as an option, since most systems have a floppy drive built into them.
7	LPT 1		This IRQ is assigned to the first parallel port LPT1, its also made available to other add-in cards, but should not be used for anything except the printer port to avoid conflicts.
8	Real Time Clock		This IRQ is reserved for the internal real-time clock. This line is never available to other add-in cards. If there is a conflict here, its an indication of a motherboard problem.
9	Substitutes for IRQ 2		This IRQ uses IRQ 2 to talk to the CPU, so it has a high priority. Its generally used for network cards.
10	Not Assigned		This IRQ is left open for network cards, sound cards, SCSI host adapters.
11	Not Assigned		This IRQ is a common one for SCSI host adapters, but can also be used for a variety of other devices.
12	PS/2 Mouse Port		This IRQ is used for the PS/2 style mouse port. If the PS/2 mouse port is enabled, don't use this port for anything else, otherwise its available.
13	NPU		This IRQ is reserved for the Numeric Processing Unit (math coprocessor) It is never available for anything else.
14	Primary IDE		This IRQ is assigned to the primary hard drive interface
15	Secondary IDE		This IRQ is assigned to the secondary hard drive interface.
DMA Channel	Devices commonly assigned
0	Assigned internal to the system board, you shouldn't be able to use it.
1	No specific assignment, although its usually used for sound cards, or SCSI host adapters.
2	Assigned to the diskette drives.
3	No specific assignment, although its again a common choice for sound cards, network interface cards, or SCSI host adapters.
4	No specific assignment
5	No specific assignment, however Sound Blaster-type cards generally use this DMA channel
6	No specific assignment
7	No specific assignment
I/O Address	Common Device using Address
130h	Used for SCSI host adapters
140h	Used for SCSI host adapters
170h	Secondary IDE Interface
1F0h	Primary IDE Interface
220h	Typically used for Sound Blaster-type sound cards
240h	An alternate address for sound cards
278h	Assigned to LPT2 or LPT3 and generally used with IRQ 5
280h	Network Interface cards or the Aria Synthesizer
2A0h	An alternate address for NIC cards or the Aria Synthesizer
2E8h	Assigned to COM 4 and used with IRQ 3
2F8h	Assigned to COM 2 and used with IRQ 3
300h	Another Network Interface Card choice
320h	A good place for a Network card, unless there is a SCSI host adapter or MIDI device
330h	A common place for the SCSI host adapters
340h	Another good alternative for the SCSI host adapter
360h	A Network card choice, but beware of the first parallel printer port, this could be a conflict.
378h	The first parallel printer port (LPT 1) in color systems, commonly used with IRQ 7.
3BCh	The first parallel printer port (LPT1) in monochrome systems, beware you may have problem assigning this address to a printer port in Windows 95.
3E8h	Assigned to COM 3 and used with IRQ 4
3F8h	Assigned to COM 1 and used with IRQ 4