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AMD R-Series hits the jackpot on casino gaming SBC

Jul 28, 2016 — by Eric Brown 1,213 views

Axiomtek’s “GMB135” casino gaming SBC offers quad- or dual-core AMD R-Series SoCs, up to 32GB DDR4, triple display support, 32 DIOs, and intrusion detection.

The GMB135 follows Axiomtek Gaming’s GMB130 Mini-ITX board, which also targeted casino gaming applications. It similarly runs Linux 3.x or Windows 7/8.1 on an AMD R-Series SoC with AMD Radeon HD10000 graphics using an FP4 BGA. The GMB135 is designed to work in EGM/ETG, jackpot, and digital signage applications, says the company. The GMB135 is also offered as part of a fully packaged system: the AGP100-135.

GMB135 SBC (left), and integrated in the AGP100-135 system
(click images to enlarge)

The GMB135 and GMB130 SBCs are almost identical, except that the 227 x 170mm GMB135 stretches the GMB130’s Mini-ITX form factor in one dimension, in order to accommodate more gaming-specific features. Specifically, the GMB135 enhancements include 32 protected digital inputs augmented with four dipswitches, as well as 29 500mA/30V and three 3A/30V OC digital outputs.

GMB135 (left) compared to narrower GMB130
(click images to enlarge)

The GMB135 also offers 8x intrusion detection triggers, with two of them housed internally, and 4MB of NVRAM (8MB optional) for TrustedData, hardware bank mirroring, and CRC. The board is also GLI verified with TrustedBoot to ensure the integrity of installed control programs and program storage media. A gaming-specific library, demo program, and sample code are also available.

The GMB135 supports AMD R-Series variants including Brown Falcon, Prairie Falcon, and Merlin Falcon, but only the latter is supported in the two standard SKUs. You get a choice of a quad-core 2.1GHz/3.4GHz R-Series RX-421 with 12-35W TDP or a dual-core, 1.6GHz/3.0Ghz RX-216 with 12-15W.

GMB135 (left) and GMB130 coastline I/O compared
(click images to enlarge)

Like the GMB130, the GMB135 supports up to 32GB of 2400MHz DDR4 RAM via dual SODIMM sockets, and provides dual GbE ports and dual SATA III ports. Once again, you get PCIe x16 expansion, dual DisplayPorts, and a DVI-D port. The board is further equipped with HD audio 5.1 I/O and a stereo 6W+6W audio amp to blast out jackpot coin jangling noises and the like.


There are still three USB 3.0 ports, but only four USB 2.0 connections instead of five. On the other hand, you get an extra serial port, for a total of seven. Two DB-9 ports provide RS-232 and RS-232/422/485 signals, and the five internal RS-232 ports include one ID003, two ccTalk/TTL configurable, and two with hardware 9-bit support.

AGP100-135 detail view, showing connector functions
(click image to enlarge)

A TPM 1.2 security engine with RSA2048 and AES256 hybrid encryption is onboard, along with a watchdog timer. No power details were available, but the board has a commercial 0 to 60°C temperature range.

Further information

The GMB135 is available now at an unstated price. More information may be found on Axiomtek’s GMB135, GMB135, and AGP100-135 product pages.

(advertise here)

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One response to “AMD R-Series hits the jackpot on casino gaming SBC”

  1. kevin says:

    This is a great niche product to enhance gaming. I enjoy reading articles with AMD’s APUs as they envisioned this use case perfectly a decade ago.

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