This is a HP/Compaq Original Product.
PC Board- Motherboard (system board) without memory - Full-featured 915GM with a 6-in-1 digital media reader connector, an ExpressCard/54 slot, and a Quick Launch board connector.
Supports HP Pavilion DV4000 and Compaq V4000/V4100 Models.

HP Models:

Pavilion DV4000: Pavilion DV4000 (CTO), DV4000LA, DV4000XX, DV4001AP, DV4001EA, DV4001XX, DV4002AP, DV4003AP, DV4004AP, DV4004XX, DV4005AP, DV4005US, DV4005XX, DV4006AP, DV4006XX, DV4007AP, DV4007XX, DV4008AP, DV4009AP, DV4010AP, DV4011AP, DV4012AP, DV4013AP, DV4014AP, DV4014EA, DV4015AP, DV4015CL, DV4015EA, DV4016AP, DV4016EA, DV4017AP, DV4017EA, DV4018AP, DV4018CL, DV4018EA, DV4019AP, DV4019EA, DV4020AP, DV4020EA, DV4020US, DV4021AP, DV4021EA, DV4022AP, DV4022EA, DV4023AP, DV4023EA, DV4024AP, DV4024EA, DV4025AP, DV4025EA, DV4026AP, DV4027EA, DV4029EA, DV4030CA, DV4030EA, DV4030US, DV4031EA, DV4040CA, DV4040EA, DV4040US, DV4043EA, DV4045EA, DV4046EA, DV4049EA, DV4050EA, DV4051EA, DV4052EA, DV4054EA, DV4056EA, DV4057EA, DV4060EA, DV4070EA, DV4073EA, DV4075EA, DV4078EA, DV4080EA, DV4085EA, DV4086EA.

Compaq Models:
Compaq V4000: Presario V4000, V4000T, V4001AP, V4002AP, V4003AP, V4004AP, V4005CL, V4015US, V4020US, V4025US, V4035CA, V4035EA, V4035US, V4040EA, V4050EA, V4055EA, V4058EA, V4060EA, V4075EA,
Compaq V4100: V4100, V4101AP, V4103AP, V4104AP, V4110EA, V4118AP, V4130EA, V4133EA, V4135US, V4144EA, V4145EA, V4147EA.

This main board is compatible with the following systems:

Presario V4000: EC412PCR, EC412PC, EC699AVR, EC699AV, EF402AVR, EF402AV, PH858AV, PH859AV, PL696AVR, PL696AV, PV329PA, PV330PAR, PV330PA, PV331PAR, PV331PA, PX243AS, PX244AS, PX246AS, PX253AS, PX312UA, PX313UAR, PX313UA, PX314UA, PX317UA, PX318UAR, PX318UA, PZ961EAR, PZ961EA, PZ962EAR, PZ962EA, PZ963EAR, PZ963EA, PZ964EAR, PZ964EA, PZ965EAR, PZ965EA, PZ966EA.
Presario V4100: EA295AV, EA296AV

Pavilion DV4000: EA020EAR, EA020EA, EA021EAR, EA021EA, EA023EAR, EA023EA, EA024EAR, EA024EA, EA025EAR, EA025EA, EA026EAR, EA026EA, EA027EAR, EA027EA, EA028EAR, EA028EA, EA029EAR, EA029EA, EA030EAR, EA030EA, EA031EAR, EA031EA, EA032EAR, EA032EA, EA033EAR, EA033EA, EA035EAR, EA035EA, EA036EA, EA038EAR, EA038EA, EA039EA, EA410UAR, EA410UA, EB907EAR, EB907EA, EB908EAR, EB908EA, EB909EAR, EB909EA, EB910EAR, EB910EA, EB911EAR, EB911EA, EB912EA, EB913EA, EB914EA, EB915EAR, EB915EA, EB916EA, EB918EAR, EB918EA, EB919EAR, EB919EA, EB920EA, EB921EAR, EB921EA, EB922EA, EB924EA, EB925EAR, EB925EA, EB926EAR, EB926EA
Pavilion dv4000: ED099PA, ED100PA, ED102PA, EE547PA, EE548PA, PV281PA, PV294PA, PV298PA, PV302PA, PV303PA, PV304PAR, PV304PA, PV316PA, PV317PA, PV318PA, PV319PA, PV320PA, PV321PA, PV332PA, PV333PA, PX248AS, PX249AS, PX250AS, PX251AS, PX259AS, PX302UAR, PX302UA, PX303UAR, PX303UA, PX306UAR, PX306UA, PX308UAR, PX308UA, PX309UAR, PX309UA, PX311UAR, PX311UA, PY843PAR, PY843PA, PY853PAR, PY853PA, PY854PAR, PY854PA, PY881PA, PY882PA, PY883PA.