HP Compaq Presario,Presario 433 Supplementary Manual

System Boards
486SX/25 w/modem & game port
486SX/25 w/game port & no modem
486SX/66 w/modem & game port
486SX/66 w/game port
486SX/33 w/modem & game port
486SX/33 w/game port & no modem
* Outside North America. ** Canada Only
Jumper Settings (Assembly 003266, 003614, 004463)
Jumper Function
P1 Speed Select
P2 Processor Upgrade Socket
Select
P3, P4 Processor Select
P5
P6 Clear CMOS and Password
P7 Modem ROM Select
(if P7 is installed)
J16 Replacement Battery
Connector
* The 486SX (PQFP) is soldered to the board (no socket). All other type PGA
processors plug into the processor socket.
** ODPR.
Memory SIMMs
1 MB Memory Module
2 MB Memory Module
4 MB Memory Module
8 MB Memory Module
Microprocessors
486DX/33
486DX2/50
486DX2/66
PRESARIO 400 FAMILY
Assembly
003266-001
003266-004
003266-014
004463-001
004463-002
003614-001
003614-002
Pins *
1,2
2,3
1,2 PQFP *
2,3 PGA *
1,2
2,3
1,2
2,3
3,4
1,2
2,3
*** ODP.
Assembly
118666-004
118667-004
118665-004
129041-002
Spare Part
160614-001
160614-002*
189375-001**
189375-002*
163628-001
163628-002 *
Function
Select processor
speed (25 or 50 MHz)
Select processor
speed (33 or 66 MHz)
Socket not used
Socket used
486SX (PQFP) **
486DX **
486DX2 **
487SX ***
Overdrive ***
486SX (PGA)
486SX (PQFP) **
486DX **
486DX2 **
487SX ***
Overdrive ***
486SX (PGA)
Remove and replace
jumper P6 to clear
CMOS.
Internal Modem ROM
External Modem ROM
Use only 4.5v Alkaline
computer battery.
Spare Part
141752-001
141753-001
141754-001
141755-001
Spare Part
194495-001
163661-001
194395-001