Questions tagged [hardware]

For questions about the components of retro devices (computers, etc.)

6 questions with no upvoted or accepted answers
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IBM terminal schematics

I'm searching for the electronics schematics for IBM terminals 3477 and 3486. I've already googled for it without success. I've to mend this hw and the power side seems ok but doesn't function, so I ...
4
votes
0answers
82 views

Backlight inverter failure on TI Travelmate

I picked up a TI Travelmate 4000E for free and it worked perfectly using my AC adapter(genuine TI one from another 4000E). The backlight fires up full brightness for about a second, then dies. ...
4
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0answers
265 views

Cost of Apple II switching power supply

Apple went to the trouble of designing a switching power supply at a time when they were still quite new and not widely used for consumer electronics, perhaps because Steve Jobs liked the aesthetics ...
2
votes
0answers
181 views

What was the cost of the PS2 chip in the last PS3 to have it?

The PlayStation 2 provided backward compatibility with the PS1 by essentially incorporating an entire PS1 on a separate chip. It kept this arrangement permanently. The PS3 started off providing ...
2
votes
0answers
109 views

How to reset/recover password on Ascend/Lucent “SuperPipe 155” ISDN router

I am trying to set up a second-hand 1990s era Ascend/Lucent "SuperPipe 155" ISDN router for use with some of my 90s era computers, but I don't know the router's password and the instructions I found ...
1
vote
1answer
124 views

When first CMOS versions of Z80 became available and were they ever used in (non-portable) home computers?

When Z80 first became available on the market in 1976 it was made using NMOS technology. It is the version that is likely to be most familiar to people interested in retro-computers. For example, to ...