Modular Power Supply 650W Chieftec A80

Evaluating the effectiveness of modern computer power supplies, the most attention is paid to their coefficient of performance (COP) at a given load — usually means of 20%, 50% and 100%. At the same time, not less important requirement, established by standard 80PLUS should be considered. That means — the preservation of this level of performance for all occurring in the world supply voltage variations, that is in the range of 100-240 V.



The standard rules of 80PLUS at different levels (Basic, Bronze, Silver, Gold, Platinum, etc.) are performed for two voltage 115 V and 230 V. In both cases, the normalized PS should show the efficiency of not less than specified for each category level. Not usual power supply CTG-650C model of the new A-80 series from the Chieftec company is interesting in that it has officially claimed efficiency of 85% or more, but only for nets 220-240 V.


As the advantages of such solution can immediately be noted a lower price, due to less stringent …

Asus Boasts One More Graphics Adapter with a Two-Slot Cooler

Asus has replenished its graphics card series based on Kepler architecture with a brand variation of one-chip GeForce GTX 680 adapter. Brand Asus GeForce GTX 680 card has been developed on an original in design circuit board and is notable by the doubled to 4GB GDDR5 memory capacity. Nevertheless, the most outstanding characteristic of a new product is the implementation of a two-slot cooling system, codenamed DirectCU II. Earlier Asus equipped its GeForce GTX 680 adapters with three-slot coolers.



The company decided to concentrate mainly on the introduction of an uncommon cooling system, leaving all frequency showings identical to the recommended by Nvidia index. Thus, graphics core operates at 1006 MHz frequency, while memory module works at 6008 MHz. Memory chips are soldered on both sides of the circuit board. The reverse side of PCB is covered by an aluminum plate that is in direct contact with GDDR5 chips.


Some IT professionals dare assuming that the rejection of …

Colorful Amazes the Public by a One-Slot iGame Graphics Card

Colorful, a Chinese developer of graphics solutions, unveils some details about its new graphics card, codenamed iGame GTX 650 Ti Buri-Slim. The most peculiar thing about this card is that it takes only one slot within a PC case, if compared with similar models from other manufacturers. The model's design resembles the one implemented in a 2011 release (iGame GTS 450 Buri-Slim).



Colorful iGame GTX 650 Ti Buri-Slim is based on a non-reference printed circuit board; the latter is a bit longer than reference GTX 650 Ti. Hardware base deserves special attention, since it's been given a note of originality, despite being a part of the entry-level adapter. Instead of traditional solid-state capacitors Colorful implemented POSCAP capacitors. Power subsystem is organized according to 3+1 template; it employs high-efficiency transistors designed by ON Semiconductor.


The integrated graphics chip and memory modules of GDDR5 standard operate at 928 MHz and 5400 MHz correspondingly. …
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Driver Microsoft Bluetooth Enumerator

Vykonat Microsoft
Typ zarizeni BLUETOOTH
Driver verzia 5.1.2600.5512
Driver Date 2008-04-13
Operačný systém XP
Upload 2010-02-07
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Driver for Microsoft Bluetooth Enumerator you can download from
mirror 1: 8157_bluetooth_orient_B307.rar (1.09 Mb)
oTweak Software

[-] Supported Devices

Alps Bluetooth USB Adapter USB\VID_044E&PID_3006
ALPS Integrated Bluetooth Device USB\VID_044E&PID_3005
BCM2033 Bluetooth 2.4 GHz Single Chip Transceiver USB\VID_0A5C&PID_200F
Belkin Bluetooth Adapter USB\VID_050D&PID_0081
Belkin Bluetooth Adapter USB\VID_050D&PID_0084
Bluetooth UltraPort Module from IBM USB\VID_04BF&PID_0317
Blutonium BCM2035 Bluetooth 2.4 GHz Single Chip Transceiver USB\VID_0A5C&PID_200A
Brain Boxes USB Bluetooth Adapter BL-554 USB\VID_05D1&PID_0003
CSR Nanosira USB\VID_0A12&PID_0003
CSR Nanosira-Multimedia USB\VID_0A12&PID_0005
CSR Nanosira-Multimedia WHQL Reference Radio USB\VID_0A12&PID_0006
CSR Nanosira WHQL Reference Radio USB\VID_0A12&PID_0004
Dell TrueMobile Bluetooth Module USB\VID_413C&PID_8000
Dell Wireless 350 Bluetooth Module USB\VID_413C&PID_8103
FIC Bluetooth Wireless Adapter USB\VID_05B1&PID_1389
Generic Bluetooth Radio USB\VID_0E5E&PID_6622
Generic Bluetooth Radio USB\VID_0A12&PID_0001
GVC Bluetooth Wireless Adapter USB\VID_0525&PID_A220
HP USB BT Transceiver [1.2] USB\VID_03F0&PID_0C24
IBM Integrated Bluetooth USB\VID_04BF&PID_0318
IBM Integrated Bluetooth II USB\VID_1668&PID_0441
IBM Integrated Bluetooth III USB\VID_1668&PID_2441
Microsoft Bluetooth Enumerator BTH\MS_BTHBRB
Microsoft Wireless Transceiver for Bluetooth USB\VID_045E&PID_007E
Microsoft Wireless Transceiver for Bluetooth 2.0 USB\VID_045E&PID_009C
Motion Computing USB Bluetooth Device USB\VID_10AB&PID_1002
Silicon Wave Bluetooth Wireless Adapter USB\VID_0C10&PID_0000
Silicon Wave Bluetooth Wireless Adapter USB\VID_0C10&PID_0000&REV_1350
Sony Bluetooth USB Adapter USB\VID_044E&PID_3004
TDK Bluetooth USB Adapter USB\VID_04BF&PID_0319
TDK Bluetooth USB Adaptor USB\VID_04BF&PID_0320
TOSHIBA Bluetooth Adapter USB\VID_0930&PID_0507
TOSHIBA Integrated Bluetooth USB\VID_0930&PID_0502&REV_1350
TOSHIBA Integrated Bluetooth 2 USB\VID_0930&PID_0505
TOSHIBA Integrated Bluetooth 3 USB\VID_0930&PID_0506
USB Bluetooth Device USB\VID_044E&PID_3002
USB Bluetooth Device USB\VID_044E&PID_3003
USB Bluetooth Device USB\VID_044E&PID_3007
USB Bluetooth Wireless Adapter USB\VID_1310&PID_0001
Zeevo Bluetooth Solution USB\VID_0B7A&PID_07D0&REV_0126
Zeevo Bluetooth Solution USB\VID_0B7A&PID_07D0&REV_0133