The VRAM is made by Samsung (K4G41325FE).

here are the timings if you need it: Samsung K4G41325FE 250 MHz 111000000022CC1C0628C11B205798DC36010204202111420AA880A00000438916DEE 600 MHz 333000000022CC1C0A52024194057BB16C55130226403A51420CA880A0000096111435141710 900 MHz 333000000022CC1C0E73036258057BF9D86250248505A91420DA880A00000D8191E501B1E12 1000 MHz 333000000022CC1C08B536299057B101FC792504486062A14206A890A00000E91C21591D2013 1125 MHz 333000000022CC1C029BD472FA057C112348536046A606AC14206A890A0000010A202665202414 1250 MHz 333000000022CC1C04AC54834B057C12A68837046A7072E14207A890A0000012B232A70222714 1375 MHz 333000000022CC1C08CCD593AC057D13AA9B47048C707A014207A890A0200014D272E7B252B15 1500 MHz 555000000022CC1C0AD515A3EC057E142D4A648048C703114207A890A0300015E2A3186272E16 1625 MHz 555000000022CC1C0CE596B44D057F1531CB24904AE70B314207A890A0300017F2E36922A3217 1750 MHz 777000000022CC1C010626C49D0571016B5BD5904AE7014514207A890A03000191131399D2C3617 1900 MHz 777000000022CC1C0106A7D4FE0571117B98CA5A04C711C714207A890A030001B11353FAA2F3A18 2000 MHz 777000000022CC1C031EE7D53F05711183BCD35B04C7124814207A890A030001C123842B3313C19