File:IBM PS2 MCA Model 55 SX, power supply, memory, riser base.jpg
IBM_PS2_MCA_Model_55_SX,_power_supply,_memory,_riser_base.jpg (640 × 480 pixels, file size: 62 KB, MIME type: image/jpeg)
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Summary[edit]
DescriptionIBM PS2 MCA Model 55 SX, power supply, memory, riser base.jpg |
English: Internal design of the IBM PS/2 Model 55 SX, showing:
PS/2 SIMMs were unlike other system SIMMs of the period. It was not possible to install generic PC SIMMs in a PS/2, nor to use PS/2 SIMMs in a standard machine. These may have been parity or ECC memory since modules usually had sets of ten chips. The power supply connects only to the motherboard. No separate cabling is used to supply power to either the hard drive or floppy drive, and all power comes through the drive ribbon cabling. This design made it impossible to substitute generic drive/peripheral components from non-PS/2 computers. |
Source | Own work |
Author | DMahalko, Dale Mahalko, Gilman, WI, USA -- Email: dmahalko@gmail.com |
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current | 00:38, 21 September 2008 | 640 × 480 (62 KB) | DMahalko (talk | contribs) | {{Information |Description={{en|1=Internal design of the IBM PS/2 Model 55 SX, showing: * the base slot of the riser card that connects interface boards and the hard drive * the 72-pin PS/2 memory SIMMs * the PS/2 power supply PS/2 SIMMs were unlike othe |
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