ATX 規範參考：

ATX12V Power Supply Design Guide v2.01
http://www.formfactors.org/develope...%20PSDG2.01.pdf

ATX12V Power Supply Design Guide v2.2
http://www.formfactors.org/develope..._public_br2.pdf


2.1 vs. 2.01 (新增/修改部分)
March 2005
• Add 450W guidance
• Current requirements updated: 250,300,350,400W
• Load table Updated
• Cross loading NEED TO UPDATE: from 250W
• Efficiency requirements increased
• 3.3.3 　5V standby current increased

2.2 vs. 2.1 (新增/修改部分)
March 2005
• Corrected 12V2 load levels in Tables 3-7
• Added label to Figure 5
• 4.5.1 Added High Current Series wire terminals for ATX Main Power Connector
• 4.5.2 Added High Current Series wire terminals for +12 V Power
Connector

兩者都沒有 8 pin 與 PCIe 顯示卡電源接頭的數量。


PCIe 顯示卡電源接頭正式版在 2005/10/25 才公佈 (edited: PCI-SIG 所出的規範)，這個接頭大概要等到ATX 電源規範之後的版本才會正式寫進去吧。(PCI Express x16 Graphics 150W-ATX Specification 1.0)