Kaypro 16 - Revision history

FrankRahman: /* Video Card */

2026-10-16T14:24:59Z

Video Card

← Older revision		Revision as of 14:24, 16 October 2026
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	\|}		\|}
	This is the Video Card 81-516 from #274022. Only 1 D-Sub connector.		This is the Video Card 81-516 from #274022. Only 1 D-Sub connector.

			The EPROM is 81-467. Click
			[[Media:81-467.bin\|here]] to download a copy.


	{\|		{\|
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	\|}		\|}
	This is the Video Card 81-814 from #398964. 2 D-Sub connectors on this board.		This is the Video Card 81-814 from #398964. 2 D-Sub connectors on this board.

			The EPROM is 81-820 which is the same as the 81-1711 found in the Kaypro Micro 1's [[Mainboard 81-1588]]. Click [[Media:81-1711 (Kaypro Micro 1).bin\|here]] to download a copy.

	===Video Driver Board===		===Video Driver Board===

FrankRahman: /* CPU Card */

2026-10-13T20:54:52Z

CPU Card

← Older revision		Revision as of 20:54, 13 October 2026
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	The #398964 has the same card just with a 81-486M BIOS rather than the 81-486C BIOS. Further testing is needed but the M BIOS may be IBM compatible. The initial BIOS on the Kaypro 16 was only DOS compatible.		The #398964 has the same card just with a 81-486M BIOS rather than the 81-486C BIOS. Further testing is needed but the M BIOS may be IBM compatible. The initial BIOS on the Kaypro 16 was only DOS compatible.

	The BIOSs can be found here [~~http://~~Kaypro_PC#BIOS_ROMS KPC#BIOS]		The BIOSs can be found here [[Kaypro_PC#BIOS_ROMS\|KPC#BIOS]]

	===Multicard===		===Multicard===

FrankRahman: /* CPU Card */

2026-10-13T20:46:50Z

CPU Card

← Older revision		Revision as of 20:46, 13 October 2026
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	\|}		\|}
	The #398964 has the same card just with a 81-486M BIOS rather than the 81-486C BIOS. Further testing is needed but the M BIOS may be IBM compatible. The initial BIOS on the Kaypro 16 was only DOS compatible.		The #398964 has the same card just with a 81-486M BIOS rather than the 81-486C BIOS. Further testing is needed but the M BIOS may be IBM compatible. The initial BIOS on the Kaypro 16 was only DOS compatible.

			The BIOSs can be found here [http://Kaypro_PC#BIOS_ROMS KPC#BIOS]

	===Multicard===		===Multicard===

FrankRahman: /* BTC */

2026-10-01T14:34:51Z

BTC

← Older revision		Revision as of 14:34, 1 October 2026
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	===BTC===		===BTC===
	[[File:K 16 Keyboard BTC.jpg]]<br>		[[File:K 16 Keyboard BTC.jpg]]<br>
	The BTC is similar to the Digitron but the character and numeric keys are creme with the secondary keys are grey. The CRTL, Alt, Caps Lock and the 0 key on the numeric keypad all have a double ~~stepdown~~.		The BTC is similar to the Digitron but the character and numeric keys are creme with the secondary keys are grey. The CRTL, Alt, Caps Lock and the 0 and + key on the numeric keypad all have a double stepdowns.

	{\|		{\|
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	\| #418199 \|\| ?		\| #418199 \|\| ?
	\|}		\|}


	==Software==		==Software==

FrankRahman: /* Digitron */

2026-10-01T14:33:14Z

Digitron

← Older revision		Revision as of 14:33, 1 October 2026
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	[[File:K 16 Keyboard Digitron.jpg]]<br>		[[File:K 16 Keyboard Digitron.jpg]]<br>
	The Digitron keyboard like the BTC has a spacer between the character and numeric keypad.<br>		The Digitron keyboard like the BTC has a spacer between the character and numeric keypad.<br>
	It is unique because the character and numeric keys are grey with the secondary keys being cream colored. Also the Ctrl key is the only one with a stepdown built into the key.		It is unique because the character and numeric keys are grey with the secondary keys being cream colored. Also the Ctrl key is the only one with a stepdown built into the key.<br>
			(The colored dots on the keys are specific to WordPerfect and are not original to the keyboard.)

	{\|		{\|
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	\| #283822 \|\| 1447 \|\| 4/85		\| #283822 \|\| 1447 \|\| 4/85
	\|}		\|}


	===BTC===		===BTC===

FrankRahman: /* Software */

2026-10-01T14:30:23Z

Software

@@ Line 320: / Line 320: @@
 |}
 This is the card cage from #274022. Note that there is room for up to 4 cards.
 ==Software==

FrankRahman: /* Hard Drive */

2026-09-30T22:55:31Z

Hard Drive

← Older revision		Revision as of 22:55, 30 September 2026
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	\|-		\|-
	\|		\|
	[[File:418199 HD NEC D5126.jpg]]		[[File:418199 HD NEC D5126.jpg\|400px]]
	\|\|		\|\|

FrankRahman: /* Video Card */

2026-09-30T22:55:13Z

Video Card

← Older revision		Revision as of 22:55, 30 September 2026
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	[[File:274022 81-516 Vid Card.jpg\|400px]]		[[File:274022 81-516 Vid Card.jpg\|400px]]
	\|\|		\|\|
	[[File:274022 81-516 Vid Card back.jpg]]		[[File:274022 81-516 Vid Card back.jpg\|400px]]
	\|}		\|}
	This is the Video Card 81-516 from #274022. Only 1 D-Sub connector.		This is the Video Card 81-516 from #274022. Only 1 D-Sub connector.
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	[[File:398964 81-814 Vid Card.jpg\|400px]]		[[File:398964 81-814 Vid Card.jpg\|400px]]
	\|\|		\|\|
	[[File:398964 81-814 Vid Card back.jpg]]		[[File:398964 81-814 Vid Card back.jpg\|400px]]
	\|}		\|}
	This is the Video Card 81-814 from #398964. 2 D-Sub connectors on this board.		This is the Video Card 81-814 from #398964. 2 D-Sub connectors on this board.

FrankRahman: /* Sample Machines */

2026-09-30T22:54:46Z

Sample Machines

← Older revision		Revision as of 22:54, 30 September 2026
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	===Mainboards===		===Mainboards===
			{\|
			\|-
			\|
			[[File:274022 Mainboard.jpg\|400px]]
			\|\|
			[[File:274022 Mainboard back.jpg]]
			\|}
			The mainboard from #274022.

			{\|
			\|-
			\|
			[[File:398964 Mainboard.jpg\|400px]]
			\|\|

			\|}
			The mainboard from #398964. Notice that the RAM chips are not on the mainboard at this point.

			===CPU Card===
			{\|
			\|-
			\|
			[[File:274022 CPU card.jpg\|400px]]
			\|\|

			\|}
			The #398964 has the same card just with a 81-486M BIOS rather than the 81-486C BIOS. Further testing is needed but the M BIOS may be IBM compatible. The initial BIOS on the Kaypro 16 was only DOS compatible.

			===Multicard===
			{\|
			\|-
			\|
			[[File:274022 Multicard.jpg\|400px]]
			\|\|
			[[File:274022 Multicard back.jpg]]
			\|}
			This is the multicard from #274022.<br>Notice that the speaker is attached to the card in the Kaypro 16. If this same card was used in a Kaypro PC it would be a connector to a detached speaker normally.

			{\|
			\|-
			\|
			[[File:398964 Mulitcard.jpg\|400px]]
			\|\|
			[[File:398964 Multicard back.jpg]]
			\|}
			This is the multicard from #398964. The RAM has moved onto this card.

			===Video Card===
			{\|
			\|-
			\|
			[[File:274022 81-516 Vid Card.jpg\|400px]]
			\|\|
			[[File:274022 81-516 Vid Card back.jpg]]
			\|}
			This is the Video Card 81-516 from #274022. Only 1 D-Sub connector.

			{\|
			\|-
			\|
			[[File:398964 81-814 Vid Card.jpg\|400px]]
			\|\|
			[[File:398964 81-814 Vid Card back.jpg]]
			\|}
			This is the Video Card 81-814 from #398964. 2 D-Sub connectors on this board.

			===Video Driver Board===
			{\|
			\|-
			\|
			[[File:274022 Vid Driver Board.jpg]]
			\|\|

			\|}
			This is a Elston Video Driver Board from #274022.

			{\|
			\|-
			\|
			[[File:418199 Vid Driver Ext.jpg\|400px]]
			\|\|
			[[File:418199 Vid Driver Ext back.jpg\|400px]]
			\|}
			In later models an extension is made on the video driver board. The part number is 81-812.

			===Hard Drive Card===
			{\|
			\|-
			\|
			[[File:K16 HD card.jpg\|400px]]
			\|\|
			[[File:K16 HD card back.jpg\|400px]]
			\|}
			This is the hard drive from #418199.<br>
			The hard drive controller on the later models is a WD-1002. (Western Digital)

			===Hard Drive===
			{\|
			\|-
			\|
			[[File:418199 HD NEC D5126.jpg]]
			\|\|

			\|}
			A 20MB NEC D5126 is the harddrive in #418199

			===Power Supply===
			{\|
			\|-
			\|
			[[File:274022 PS.jpg]]
			\|\|

			\|}
			The power supply from #274022. This one is a CalDC supply but some machines also have a Aztec.<br>
			It is located between the drives and monitor.

			===Card Cage===
			{\|
			\|-
			\|
			[[File:274022 Card Cage.jpg\|400px]]
			\|\|

			\|}
			This is the card cage from #274022. Note that there is room for up to 4 cards.

	==Software==		==Software==

FrankRahman: /* Known issues */

2026-09-30T21:47:55Z

Known issues

← Older revision		Revision as of 21:47, 30 September 2026
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	(Warren Allen, Profiles, February 1988)		(Warren Allen, Profiles, February 1988)
	</blockquote>		</blockquote>

			==Sample Machines==

			This section is mostly a comparison of a K16 2 #274022 and a K16 398964. Not only do they represent two different machines (2 Floppy Drives vs 1 Floppy and 1 Hard Drive they also represent two different periods of K16 production.

			===Mainboards===

	==Software==		==Software==