Changes between Version 7 and Version 8 of Hardware/jCM/bCM1/aHardware
- Timestamp:
- Oct 28, 2007, 2:50:24 AM (17 years ago)
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Hardware/jCM/bCM1/aHardware
v7 v8 6 6 2. PCI module that mounts RCM3700 module and plugs into motherboard PCI bus 7 7 8 NodeID box is used in both versions to provide additional features. 9 10 == Node module == 11 12 == PCI MOdule == 13 14 [[Image(CMBLockDiagram.jpg,align=right,title="CM & NodeID Block Diagram",400)]] 15 The CM has two components: a CM PCI card that connects directly to the host, and a NodeIDBox that permanently mounts on a fixture at each grid position. The CM block diagram is shown in Figure 5. 16 Two serial ports on the RCM3700 provide the RCM3700 console and the host console interface. Another port on the RCM3700 provides I2C clock and data. The CM design is primarily based upon I2C bus components. The I2C (Inter-Integrated Circuit) Bus is a low-cost two-wire, low to medium speed communication bus designed for chip-to-chip communication. I2C was developed by Philips Semiconductor in the early 1980’s, and is commonly found in computers built today. The I2C components used in the CM are summarized in Table 2 below: 8 NodeID box is used in both versions to provide additional features. Two serial ports on the RCM3700 provide the RCM3700 console and the host console interface. Another port on the RCM3700 provides I2C clock and data. The CM design is primarily based upon I2C bus components. The I2C (Inter-Integrated Circuit) Bus is a low-cost two-wire, low to medium speed communication bus designed for chip-to-chip communication. I2C was developed by Philips Semiconductor in the early 1980’s, and is commonly found in computers built today. The I2C components used in the CM are summarized in Table 2 below: 17 9 18 10 || Location || Part || Function || … … 24 16 || NodeIDBox || PCF8570 || 256x8 RAM (future use) || 25 17 Table 2 CM I2C Components 18 19 == Node module == 20 21 == PCI MOdule == 22 23 The CM has two components: a CM PCI card that connects directly to the host, and a NodeIDBox that permanently mounts on a fixture at each grid position. The PCI CM block diagram is shown in Figure 5. 24 25 || [[Image(CMBLockDiagram.jpg,align=left,title="CM & NodeID Block Diagram",350)]] || [[Image(CM-NodeID.jpg,align=right,title="NodeID Box and Chassis Manager Photo",350)]] || 26 27 The physical form-factor for the Chassis Manager is a 2U PCI card measuring approximately 4.75 x 2.5 in. The Node ID box is on a board measuring approximately 2.25 x 1.75 in. Appropriate sockets permit the RCM3700 module to plug directly into the PCI card or optionally through a 10 pin ribbon cable for remote mounting. 26 28 27 29 == Major Hardware Components == … … 110 112 || || || 0x69 || Tyan/VIA || Clock || 111 113 * A2, A1, A0 highlighted with larger font 112 113 The physical form-factor for the Chassis Manager is a 2U PCI card measuring approximately 4.75 x 2.5 in. The Node ID box is on a board measuring approximately 2.25 x 1.75 in. Appropriate sockets permit the RCM3700 module to plug directly into the PCI card or optionally through a 10 pin ribbon cable for remote mounting.114 115 [[Image(CM-NodeID.jpg,align=center,title="NodeID Box and Chassis Manager Photo",500)]]
