pins on the motherboard

NfernalNfluence · 24 July 2007, 12:27

i just got through disassembling an A500 with a rev 6a motherboard and noticed a couple things that looked odd.

1 of 34 pins reserved for the larger plug attached to internal floppy drive is missing. does this mean my motherboard is faulty? i assume each of these pins serves a particular role.

also, the same problem found with pins reserved for the keyboard connecting device. one of those is missing, as well.

my other, an A500 rev 5, motherboard has all pins intact.

Chain · 24 July 2007, 12:48

its OK, there are actually only around 16 pins used, so if its cutted its probably not connected either

http://pinouts.ru/Storage/InternalDisk_pinout.shtml

OddbOd · 24 July 2007, 13:25

It's normal, only 7 lines on the keyboard connector actually do anything.

alexh · 24 July 2007, 17:19

The Floppy disk connector is keyed. That is there is SUPPOSED to be a missing pin (pin 3) and a missing hole on the ribbon cable.

This is so you dont accidentally reverse the cable.

However it costs money to cut that pin and fill that hole and so over the years they stopped doing it to cut costs.

24 July 2007, 12:27	#1
NfernalNfluence Registered User Join Date: Feb 2007 Location: living among the Moai Posts: 219	Pins on the motherboard i just got through disassembling an A500 with a rev 6a motherboard and noticed a couple things that looked odd. 1 of 34 pins reserved for the larger plug attached to internal floppy drive is missing. does this mean my motherboard is faulty? i assume each of these pins serves a particular role. also, the same problem found with pins reserved for the keyboard connecting device. one of those is missing, as well. my other, an A500 rev 5, motherboard has all pins intact. Last edited by NfernalNfluence; 24 July 2007 at 12:38.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
USB joysticks to 9 pins converter?	theugly	support.Hardware	17	22 October 2018 13:33
HxC front panel pins.	CritAnime	Hardware mods	4	01 February 2012 02:09
4 way ide - broken pins	jimmer78	support.Hardware	16	05 May 2010 18:08
CD32 SVideo Out mini-DIN with 8 pins	Calgor	support.Hardware	18	30 January 2009 15:40
Lemmings 2 - all pins/badges	Chain	project.SPS (was CAPS)	2	28 July 2007 04:07

24 July 2007, 12:48	#2
Chain A-Collector, repairments Join Date: Jul 2001 Location: Czech Rep. Age: 50 Posts: 1,536	its OK, there are actually only around 16 pins used, so if its cutted its probably not connected either http://pinouts.ru/Storage/InternalDisk_pinout.shtml

24 July 2007, 13:25	#3
OddbOd Registered User Join Date: Jul 2005 Location: Australia Age: 46 Posts: 666	It's normal, only 7 lines on the keyboard connector actually do anything.

24 July 2007, 17:19	#4
alexh Thalion Webshrine Join Date: Jan 2004 Location: Oxford Posts: 14,354	The Floppy disk connector is keyed. That is there is SUPPOSED to be a missing pin (pin 3) and a missing hole on the ribbon cable. This is so you dont accidentally reverse the cable. However it costs money to cut that pin and fill that hole and so over the years they stopped doing it to cut costs.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)