Jetway HA03 Ultra (AMD 790X)
Overclocking and stability
Now let's look at the power converter. It uses a 5-phase (4+1) power scheme, in which there are four 330 mkF and nice 820 mkF capacitors.
Now on to the overclocking features:
Jetway HA03 Ultra allows adjusting the HTT frequency within 190 MHz to 600 MHz in 1 MHz increments.
The user can change the HyperTransport bus multiplier on the section between the NB and CPU:
Here are the remaining overclocking tools:
| Motherboard | Jetway HA03 Ultra |
| CPU multiplier adjustable | + |
| HTT adjustable | within 190 to 600 MHz (1) |
| Vcore adjustment | within 0.8V to 1.5V (0.025V); +35% |
| Vmem adjustment | within 1.7V to 2.55V (0.05V) |
| Vdd adjustment | within 1.15V to 1.2V |
| PCI-E adjustment | within 90 MHz to 250 MHz (1) |
Despite the availability of overclocking tools, the board wouldn't run stably at any nonstandard frequency. At the same time, we note that at HTT=240 MHz passed up to the Windows boot-up stage, which points to some overclocking capability (which may be implemented in future BIOS versions).
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MoBo:
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VGA Card:
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CPU & Memory:
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