The CMS Silicon Tracker FED Crates Costas Foudas

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The CMS Silicon Tracker FED Crates Costas Foudas Imperial College What goes in the

The CMS Silicon Tracker FED Crates Costas Foudas Imperial College What goes in the FED Crates ? What do we do about the VME controller ? What about the TTC fast signals ? FMM ? Costas Foudas, The Tracker Interface to TCS, 24. 02

The Choice of VME Controller • • The FED will support VME 64 x

The Choice of VME Controller • • The FED will support VME 64 x (eventually) : Therefore we need to gain experience with the VEM 64 x protocol in the near future. Why ? : VME 64 x can reach up to 160 MBytes/sec theoretical block transfer (BLT) rate. Most liekly less than that but still faster than the old VME. 4 types of PCI-to-VME cards exist: Wiener (indeed), National Instruments, SBS, Struck. To my knowledge only the Struck one supports VME 64 x and can do 80 MBytes/sec real rate (I measured it in their lab at Hamburg). They claim to be firmware upgradeable to 100 Mbytes/sec. Keep in mind that in order to evaluate this card you need also a VME 64 x slave (FED or something else) Costas Foudas, The Tracker Interface to TCS, 24. 02

The Struck PCI-to-VME 64 x Bridge • It consists of 2 modules connected via

The Struck PCI-to-VME 64 x Bridge • It consists of 2 modules connected via optical link (Fiber): Ø The VME side is 6 U 160 mm. Ø The PCI side consists of a mother board and the optical card. • Installation Ø Just like the SBS Ø Linux public drivers available. Costas Foudas, The Tracker Interface to TCS, 24. 02

The PCI module • Standard PCI mother board • Optical driver/receiver card Costas Foudas,

The PCI module • Standard PCI mother board • Optical driver/receiver card Costas Foudas, The Tracker Interface to TCS, 24. 02

Specification Supports 2 edge VME Block transfer (160 Mbytes/sec in theory ) Uses a

Specification Supports 2 edge VME Block transfer (160 Mbytes/sec in theory ) Uses a Sequencer to avoid overhead between VME transfers Long Optical connection. Also an 20 Km option. Costas Foudas, The Tracker Interface to TCS, 24. 02

6 U 180 vs 9 U 400 mm Why do it like this ?

6 U 180 vs 9 U 400 mm Why do it like this ? The VME master connects directly to the VME bus. The front panel is 9 U VME and the Crate can close Costas Foudas, The Tracker Interface to TCS, 24. 02

The FED Racks I PC 9 U FED VME CRATE 9 U VME Up

The FED Racks I PC 9 U FED VME CRATE 9 U VME Up to 17 FEDs 9 U VME The VME Controller Costas Foudas, The Tracker Interface to TCS, 24. 02

The Rack Design Need to get one of these and start asking questions: Where

The Rack Design Need to get one of these and start asking questions: Where does all fit ? Is there enough cooling where we need it ? How do we route all the cables (optical or copper) Costas Foudas, The Tracker Interface to TCS, 24. 02

VME Control PC + 3 VME c. PCI Adapters VME Controller Costas Foudas, The

VME Control PC + 3 VME c. PCI Adapters VME Controller Costas Foudas, The Tracker Interface to TCS, 24. 02

DAQ Connection Run control Rack 1 VME Rack 14 PC VME PC . .

DAQ Connection Run control Rack 1 VME Rack 14 PC VME PC . . . . 14 Racks VME VME Costas Foudas, The Tracker Interface to TCS, 24. 02

FED Fast Signals to TTS • P 0 • • LVDS Signals: Ready, Busy,

FED Fast Signals to TTS • P 0 • • LVDS Signals: Ready, Busy, Warn_OVF, O ut_of_Synch, Error The FED outputs the 4 TTS signals on the P 0 connector in LVDS. The different FED signals can by daisy chained to produce a crate summary or can be send individually to so FMM board. The merged fast signals are driven to the APVE input and are combined with those generated by the APVE. Costas Foudas, The Tracker Interface to TCS, 24. 02

The FED Racks II PC 9 U VME 9 U FED VME CRATE Up

The FED Racks II PC 9 U VME 9 U FED VME CRATE Up to 17 FEDs The VME Controller The TTC dummy Card: It receives the TTC signals from P 0 and send them to an FMM on their way to APVE. Costas Foudas, The Tracker Interface to TCS, 24. 02

Summary • Get a Struck module and evaluate it but it will not be

Summary • Get a Struck module and evaluate it but it will not be of use till there is a VME 64 x slave. • Need a design for getting the TTC signals from the P 0 to the FMM. • Need to start some system design of our rack, the crate and the signals. Costas Foudas, The Tracker Interface to TCS, 24. 02