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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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 Posted: Tue Mar 12, 2019 4:32 pm Post subject: CPU Shack: 4 Phase Systems RAM Chips - 4 Left |
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4 Phase Systems made one of the very first CPUs (really an ALU) that predated the 4004. It was used to run their mainframes.
These are the RAM chips that went with it
12x 4 Phase RAM-9 Black $4 each or a pair for $6
SOLDx 4 Phase RAM-9 White $4
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Last edited by CPUShack on Wed Mar 13, 2019 12:41 pm; edited 3 times in total |
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cvandijk
Joined: 21 Jul 2016
Posts: 3589
Location: Netherlands
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| Posted: Tue Mar 12, 2019 4:36 pm Post subject: |
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| 1x 4 Phase RAM-9 White $4 |
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princess
Joined: 17 Jul 2013
Posts: 206
Location: Germany
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| Posted: Tue Mar 12, 2019 5:14 pm Post subject: |
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| a pair for $6 |
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stevejam
Joined: 30 Dec 2017
Posts: 803
Location: Metaluna aka Bellevue WA
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| Posted: Tue Mar 12, 2019 6:35 pm Post subject: |
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4 Phase RAM-9 Black $4 each or a pair for $6
Pair please! |
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todayisme2000
Joined: 01 Dec 2006
Posts: 1463
Location: Taiwan
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| Posted: Tue Mar 12, 2019 7:44 pm Post subject: |
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a pair for $6
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tunder10
Joined: 08 Nov 2006
Posts: 5001
Location: italy
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| Posted: Wed Mar 13, 2019 2:58 am Post subject: |
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| one for me, thanks |
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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crazybubba64
Joined: 03 Jul 2018
Posts: 1371
Location: WI, USA
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| Posted: Wed Mar 13, 2019 11:57 am Post subject: |
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I'll take one
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