APU102PGN Reversion Procedures Back to APU102E Series (486) - Revision history

GMalcom at 18:46, 8 April 2025

2025-04-08T18:46:59Z

← Older revision		Revision as of 18:46, 8 April 2025
Line 24:		Line 24:

	= Upgrade Procedure =		= Upgrade Procedure =
	<p>1) Put ESD wrist strap on wrist and connect to ground lug on outside bottom of APU.</p><p>2) Open the APU enclosure</p><p>3) Power down the APU</p><p>4) Remove the locking bar.</p><p>5) Remove the Pentium board and place in individual antistatic bag.</p><p>6) Reinstall the original 486SLC and USSD cards.</p><p>7) Reinstall original COM4 card or restore the COM4N card to individual IRQ configuration</p><p>8) Reinstall original IRQ cable</p><p>9) Reinstall locking bar</p><p>10) Remove ESD wrist strap.</p><p>11) Power-up the APU-102 and test.</p><p>12) Restore maintenance reporting if disabled earlier.</p><p>Comet ~~Electronics~~ Service ~~technicians are available M-F, 8:00 am to 4:00 pm Central Time if you require assistance.</p><p>(888) 700-4214 or (816) 245-5400~~</p>		<p>1) Put ESD wrist strap on wrist and connect to ground lug on outside bottom of APU.</p><p>2) Open the APU enclosure</p><p>3) Power down the APU</p><p>4) Remove the locking bar.</p><p>5) Remove the Pentium board and place in individual antistatic bag.</p><p>6) Reinstall the original 486SLC and USSD cards.</p><p>7) Reinstall original COM4 card or restore the COM4N card to individual IRQ configuration</p><p>8) Reinstall original IRQ cable</p><p>9) Reinstall locking bar</p><p>10) Remove ESD wrist strap.</p><p>11) Power-up the APU-102 and test.</p><p>12) Restore maintenance reporting if disabled earlier.</p>
			<p>{{Comet Service Contact}}</p>

	[[Category:Procedures]]		[[Category:Procedures]]

GMalcom at 18:27, 7 April 2025

2025-04-07T18:27:29Z

← Older revision		Revision as of 18:27, 7 April 2025
Line 24:		Line 24:

	= Upgrade Procedure =		= Upgrade Procedure =
	<p>1) Put ESD wrist strap on wrist and connect to ground lug on outside bottom of APU.</p><p>2) Open the APU enclosure</p><p>3) Power down the APU</p><p>4) Remove the locking bar.</p><p>5) Remove the Pentium board and place in individual antistatic bag.</p><p>6) Reinstall the original 486SLC and USSD cards.</p><p>7) Reinstall original COM4 card or restore the COM4N card to individual IRQ configuration</p><p>8) Reinstall original IRQ cable</p><p>9) Reinstall locking bar</p><p>10) Remove ESD wrist strap.</p><p>11) Power-up the APU-102 and test.</p><p>12) Restore maintenance reporting if disabled earlier.</p><p>Comet Electronics Service technicians are available M-F, 8:00 am to 4:00 pm Central Time if you require assistance.</p><p>(888) 700-4214 or (816) 245-5400</p>~~<p><br></p><p><br></p>~~		<p>1) Put ESD wrist strap on wrist and connect to ground lug on outside bottom of APU.</p><p>2) Open the APU enclosure</p><p>3) Power down the APU</p><p>4) Remove the locking bar.</p><p>5) Remove the Pentium board and place in individual antistatic bag.</p><p>6) Reinstall the original 486SLC and USSD cards.</p><p>7) Reinstall original COM4 card or restore the COM4N card to individual IRQ configuration</p><p>8) Reinstall original IRQ cable</p><p>9) Reinstall locking bar</p><p>10) Remove ESD wrist strap.</p><p>11) Power-up the APU-102 and test.</p><p>12) Restore maintenance reporting if disabled earlier.</p><p>Comet Electronics Service technicians are available M-F, 8:00 am to 4:00 pm Central Time if you require assistance.</p><p>(888) 700-4214 or (816) 245-5400</p>

			[[Category:Procedures]]

GMalcom: Created page with "
This article covers the procedure to reverse the conversion of an APU102E to an APU102PGN.
= Required Materials and Tools = == Upgrade Parts Required == Original 486SLC card Original USSD card Original COM4A card (or modify COM4N board for individual interrupts) == Tools/supplies Required == Misc hand tools Laptop computer with communication program such as ProComm, HyperTerminal, etc. Null modem cable or modem cable with null adapter (25-pin DB male on A..."

2025-03-05T20:29:22Z

Created page with "This article covers the procedure to reverse the conversion of an APU102E to an APU102PGN. = Required Materials and Tools = == Upgrade Parts Required == *Original 486SLC card *Original USSD card *Original COM4A card (or modify COM4N board for individual interrupts) == Tools/supplies Required == *Misc hand tools *Laptop computer with communication program such as ProComm, HyperTerminal, etc. *Null modem cable or modem cable with null adapter (25-pin DB male on A..."

New page

This article covers the procedure to reverse the conversion of an APU102E to an APU102PGN.
= Required Materials and Tools =
== Upgrade Parts Required ==

*Original 486SLC card
*Original USSD card
*Original COM4A card (or modify COM4N board for individual interrupts)

== Tools/supplies Required ==

*Misc hand tools
*Laptop computer with communication program such as ProComm, HyperTerminal, etc.
*Null modem cable or modem cable with null adapter (25-pin DB male on APU-102 end)
*Antistatic (ESD) wrist strap (included)
*Individual antistatic bag to fit APU-102 STD Buss cards (included)

== Optional ==

*APU-102 System Operations Manual
*Communications program users guide
*UART Replacement document # 376-0018-00
*TI UART
*COM4 reversion document 376-0029-06

= Upgrade Procedure =
1) Put ESD wrist strap on wrist and connect to ground lug on outside bottom of APU.2) Open the APU enclosure3) Power down the APU4) Remove the locking bar.5) Remove the Pentium board and place in individual antistatic bag.6) Reinstall the original 486SLC and USSD cards.7) Reinstall original COM4 card or restore the COM4N card to individual IRQ configuration8) Reinstall original IRQ cable9) Reinstall locking bar10) Remove ESD wrist strap.11) Power-up the APU-102 and test.12) Restore maintenance reporting if disabled earlier.Comet Electronics Service technicians are available M-F, 8:00 am to 4:00 pm Central Time if you require assistance.(888) 700-4214 or (816) 245-5400