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9600 Service Manual - gmecorp-usa.com

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Workstation Control 19<br />

386 AT MOTHERBOARD<br />

The System 386 AT Motherboard contains the main system microprocessor. It<br />

<strong>com</strong>municates with the following circuit boards:<br />

• Image Processor PCB<br />

• Communications PCB<br />

These interface boards plug directly into connectors on the Motherboard.<br />

386SX MB JUMPER SETTINGS<br />

JUMPER POSITION DESCRIPTION<br />

W1 1 - 2 COM 2/4 IRQ<br />

W2 1 - 2 COM 1/3 IRQ<br />

W3 1 - 2 FLASH<br />

W5 1 - 2 LPT IRQ<br />

W4 2 - 3 COLOR/MONO<br />

W6 1 - 2 MICROSOFT<br />

W7 OFF MOUSE INT<br />

W8 1 - 2 CMOS RESET<br />

W9 1 - 2 FREQ SEL<br />

W10 2 - 3 FREQ SEL<br />

W11 1 - 2 CMOS BATTERY SEL<br />

(EXTERNAL)<br />

Table 2 - 386 AT Motherboard Jumper Settings<br />

NOTE: The CMOS Battery Jumper, W11, must be in the 1-2 position for the <strong>9600</strong>,<br />

due to use of an external battery (P/N 74-122854-00, 5.5V Alkaline). The<br />

external battery is placed above the System 386 Motherboard and secured<br />

to the Electronics Box with double-sided tape.

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