GE V7768-320001
GE V7768-320001
GE V7768-320001
GE V7768-320001
GE V7768-320001

GE V7768-320001 | 6U VME Extended Temp SBC – Field Service Notes

  • Model: V7768-320001
  • Alt. P/N: 350-9301007768-320001-A2,
  • Product Series: GE/Abaco VME Embedded Computing Line
  • Hardware Type: 6U dual-slot VME single board computer (SBC)
  • Key Feature: Extended temp (-40°C to +71°C), Core 2 Duo, VME system controller
  • Primary Field Use: High-reliability control & data processing in extreme environment VME DCS/SIS
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Part number: V7768-320001
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Description

Hard-Numbers: Technical Specifications

  • Processor: Intel Core 2 Duo L7400 @ 2.16 GHz (4 MB L2 cache)Abaco Systems
  • Chipset: Intel 945GME Express + ICH7-M I/O controllerAbaco Systems
  • Memory: Up to 2 GB DDR2 SDRAM (one SODIMM socket)Abaco Systems
  • Storage: Up to 8 GB bootable CompactFlashAbaco Systems
  • Bus Interface: VME64 (VITA 1-1994), 667 MHz FSB; system controller capableAbaco Systems
  • Ports: 2×Gigabit Ethernet, 2×SATA, 4×USB 2.0, 1×RS-232, SVGA, PS/2
  • Expansion: 1×PMC site (133 MHz PCI-X, 3.3 V only)Abaco Systems
  • Operating Temperature: -40°C to +71°C (extended industrial)
  • Power Draw: ~25 W (5 VDC, 4 A typical)
  • Form Factor: 6U VME, dual-slot depth (233.4×160 mm)Abaco Systems
GE V7768-320001

GE V7768-320001

The Real-World Problem It Solves

Commercial-temp VME SBCs die in unheated/uncooled cabinets—cold starts below 0°C lock up, heat above 55°C triggers throttling and crashes. Legacy boards lack modern I/O and dual-core speed for today’s turbine/process data loads.

Where you’ll typically find it:

  • GE Mark VI/VIe gas/steam turbine controls (power plants, no HVAC)
  • Offshore platform VME safety instrumented systems (SIS)
  • Refinery/chemical plant extreme-temperature process control racks

Bottom line: It’s the extended-temp drop-in VME CPU that runs stable from arctic cold to desert heat, doubles as system controller, and adds dual-core + GigE to legacy chassis.

 

Hardware Architecture & Under-the-Hood Logic

is a dual-slot VME SBC with industrial-grade components screened for -40°C to +71°C. It acts as standalone CPU or slot-1 VME system controller.

  1. Front-panel I/O (GigE, USB, SATA) routes through ICH7-M to 945GME Northbridge.
  2. Northbridge links Core 2 Duo CPU and DDR2 memory via 667 MHz FSB; thermal sensors trigger passive throttling at 65°C.
  3. PCI-to-VME bridge with arbiter: supports PRI/SGL/RRS arbitration, SYSCLK, IACK daisy-chain.
  4. Onboard WDT resets CPU on lockup; RTC with battery backup maintains time.
  5. PMC site taps PCI bus for add-on I/O; 3.3 V only (no 5 V tolerance).

 

Field Service Pitfalls: What Rookies Get Wrong

Confusing 320001 with Commercial Temp 320000Techs mix up part numbers and deploy 320000 (0–55°C) in extreme sites. Cold-start failures, thermal throttling, and premature cap failure happen fast.

  • Field Rule: 320001 = extended (-40–71°C); 320000 = commercial (0–55°C). Label and verify before install.

Botching VME System Controller SetupRookies skip slot-1 configuration or set wrong arbitration mode. Bus timeouts, master/slave conflicts, and I/O drops occur.

  • Quick Fix: Designate slot 1 as system controller; match arbitration (PRI/SGL/RRS) to chassis; set timeout to 16 µs.

Forcing 5 V PMC Cards Into 3.3 V-Only SlotTechs ignore keying and force old 5 V PMC cards. Blows PCI-X buffers, disables PMC site, and risks backplane voltage spikes.

  • Field Rule: Only 3.3 V PMC cards allowed; check notch; no hot-swap—power down chassis first.
GE V7768-320001

GE V7768-320001

Commercial Availability & Pricing Note

Please note: The listed price is for reference only and is not binding. Final pricing and terms are subject to negotiation based on current market conditions and availability.

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