Compaq Portable 286 Compaq Portable Computer, Compaq Plus Personal Computer, a - Page 37

Location of Failed Chip if using Alternate Bank 2 and 3., U52 or U73

Page 37 highlights

1000 201 Bank 1, Parity Bit U38 Replace System Board 1001 201 Bank 1, Data Bit 0 U96 or U69 * Replace System Board 1002 201 Bank 1, Data Bit 1 U86 or U69 * Replace System Board 1004 201 Bank 1, Data Bit 2 U79 or U69 * Replace System Board 1008 201 Bank 1, Data Bit 3 U73 or U69 * Replace System Board * Location of Failed Chip if using Alternate Bank 2 and 3. Error Failure Location of Code Description Failed Chip Required Action (XXYY 201) 1010 201 Bank 1, Data Bit 4 U69 or U62 * Replace System Board 1020 201 Bank 1, Data Bit 5 U62 or U62 * Replace System Board 1040 201 Bank 1,Data Bit 6 U53 or U62 * Replace System Board 1080 201 Bank 1, Data Bit 7 U45 or U62 * Replace System Board 2000 201 Bank 2, Parity Bit U37 or U37 * Replace Memory Chip 2001 201 Bank 2, Data Bit 0 U95 or U79 * Replace Memory Chip 2002 201 Bank 2, Data Bit 1 U85 or U79 * Replace Memory Chip 2004 201 Bank 2, Data Bit 2 U78 or U79 * Replace Memory Chip 2008 201 Bank 2, Data Bit 3 U72 or U79 * Replace Memory Chip 2010 201 Bank 2, Data Bit 4 U68 or U73 * Replace Memory Chip 2020 201 Bank 2, Data Bit 5 U61 or U73 * Replace Memory Chip 2040 201 Bank 2, Data Bit 6 U52 or U73 * Replace Memory Chip 2080 201 Bank 2, Data Bit 7 U44 or U73 * Replace Memory Chip 3000 201 Bank 3, Parity Bit U36 or U36 * Replace Memory Chip 3001 201 Bank 3, Data Bit 0 U94 or U96 * Replace Memory Chip 3002 201 Bank 3, Data Bit 1 U84 or U96 * Replace Memory Chip 3004 201 Bank 3, Data Bit 2 U77 or U96 * Replace Memory Chip 3008 201 Bank 3, Data Bit 3 U71 or U96 * Replace Memory Chip 3010 201 Bank 3, Data Bit 4 U67 or U86 * Replace Memory Chip 3020 201 Bank 3, Data Bit 5 U60 or U86 * Replace Memory Chip 3040 201 Bank 3, Data Bit 6 U51 or U86 * Replace Memory Chip 3080 201 Bank 3, Data Bit 7 U43 or U86 * Replace Memory Chip

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1000 201
Bank 1, Parity Bit
U38
Replace System Board
1001 201
Bank 1, Data Bit 0
U96 or U69 *
Replace System Board
1002 201
Bank 1, Data Bit 1
U86 or U69 *
Replace System Board
1004 201
Bank 1, Data Bit 2
U79 or U69 *
Replace System Board
1008 201
Bank 1, Data Bit 3
U73 or U69 *
Replace System Board
------------------------------------------------------------------------------
* Location of Failed Chip if using Alternate Bank 2 and 3.
------------------------------------------------------------------------------
Error
Failure
Location of
Code
Description
Failed Chip
Required Action
------------------------------------------------------------------------------
(XXYY 201)
------------------------------------------------------------------------------
1010 201
Bank 1, Data Bit 4
U69 or U62 *
Replace System Board
1020 201
Bank 1, Data Bit 5
U62 or U62 *
Replace System Board
1040 201
Bank 1,Data Bit 6
U53 or U62 *
Replace System Board
1080 201
Bank 1, Data Bit 7
U45 or U62 *
Replace System Board
2000 201
Bank 2, Parity Bit
U37 or U37 *
Replace Memory Chip
2001 201
Bank 2, Data Bit 0
U95 or U79 *
Replace Memory Chip
2002 201
Bank 2, Data Bit 1
U85 or U79 *
Replace Memory Chip
2004 201
Bank 2, Data Bit 2
U78 or U79 *
Replace Memory Chip
2008 201
Bank 2, Data Bit 3
U72 or U79 *
Replace Memory Chip
2010 201
Bank 2, Data Bit 4
U68 or U73 *
Replace Memory Chip
2020 201
Bank 2, Data Bit 5
U61 or U73 *
Replace Memory Chip
2040 201
Bank 2, Data Bit 6
U52 or U73 *
Replace Memory Chip
2080 201
Bank 2, Data Bit 7
U44 or U73 *
Replace Memory Chip
3000 201
Bank 3, Parity Bit
U36 or U36 *
Replace Memory Chip
3001 201
Bank 3, Data Bit 0
U94 or U96 *
Replace Memory Chip
3002 201
Bank 3, Data Bit 1
U84 or U96 *
Replace Memory Chip
3004 201
Bank 3, Data Bit 2
U77 or U96 *
Replace Memory Chip
3008 201
Bank 3, Data Bit 3
U71 or U96 *
Replace Memory Chip
3010 201
Bank 3, Data Bit 4
U67 or U86 *
Replace Memory Chip
3020 201
Bank 3, Data Bit 5
U60 or U86 *
Replace Memory Chip
3040 201
Bank 3, Data Bit 6
U51 or U86 *
Replace Memory Chip
3080 201
Bank 3, Data Bit 7
U43 or U86 *
Replace Memory Chip