Can't be certain if this list is accurate, but based on an old set of docs, the following are without any packaging, just the bare item:-
1 845E-ANT (i845E, Socket-478)
2 ABIT BD7II-RAID (i845E, Socket-478)
3 ABIT BG7 (i845G, Socket-478)
4 ABIT BL7-RAID (i845, Socket-478)
5 ABIT KA7 (VIA KX133, Slot-A)
6 ABIT KT7A-RAID (VIA KT133A, Socket-A)
7 ABIT KX7-333 (VIA KT333, Socket-A)
8 ABIT TH7II-RAID (i850, Socket-478)
9 ABIT VP6 (VIA Apollo Pro 133A, Socket-370 Dual)
10 AOpen AK77-400 Max (VIA KT400A, Socket-A)
11 AOpen AK77-600 Max (VIA KT600, Socket-A)
12 AOpen AK79D-400 Max (nForce 2 Ultra 400, Socket-A)
13 AOpen AK79G Max (nForce 2 IGP, Socket-A)
14 AOpen AX4C Max (Intel 875P, Socket-478)
15 AOpen AX4SPE Max (Intel 865PE, Socket-478)
16 ASUS A7N8X (nForce2, Socket-A)
17 ASUS A7V8X (VIA KT400, Socket-A)
18 ASUS CUSL2-C (i815EP, Socket-370)
19 ASUS P48GX Deluxe (Intel E7205, Socket-478)
20 ASUS P4B533-E (i845E, Socket-478)
21 ASUS P4C800 Deluxe (Intel 875P, Socket-478)
22 ASUS P4P800 Deluxe (Intel 865PE, Socket-478)
23 ASUS P4S533 (SiS 645DX, Socket-478)
24 ASUS P4S8X (SiS 648, Socket-478)
25 ASUS P4SDX Deluxe (SiS 655, Socket-478)
26 ATI Radeon X1800XT CF
27 ATI Radeon X1900XT Master
28 ATI Radeon X1900XTX
29 ATI Radeon X1950XTX
30 ATI Radeon Xpress 200 CrossFire Reference Mobo (AMD)
31 ATI Radeon Xpress 200P Reference Mobo
32 Chaintech 9BIA0 (i845, Socket-478)
33 Chaintech 9BJA (i845, Socket-478)
34 Chaintech CT-7SIDO (SiS 735, Socket-A)
35 ECS D6VAA (VIA Apollo Pro 133A, Socket-370 Dual)
36 ECS K7S5A (SiS 735, Socket-A)
37 ECS K7S5A (SiS 735, Socket-A)
38 ECS K7VTA3 (VIA KT333, Socket-A)
39 ECS K7VZA (VIA KT133, Socket-A)
40 ECS L7S7A (SiS 746, Socket-A)
41 ECS L7S7A (SiS 746, Socket-A)
42 ECS L7VTA (VIA KT400, Socket-A)
43 ECS P4ITA (i850, Socket-423)
44 ECS P5VP-A+ (VIA MVP3, Socket 7)
45 ECS P6BAT-A+ (VIA Apollo Pro 133, Socket-370 + Slot-1)
46 ECS P6IWT-A+ (i810E, Socket-370 + Slot-1)
47 ECS P6S5AT (SiS 635/T, Socket-370)
48 ECS P6VAA (VIA Apollo Pro 133, Socket-370)
49 ECS P6VXA (VIA Apollo Pro 133A, Socket-370)
50 EPoX 8KHA (VIA KT266, Socket-A)
51 EPoX 8KHA+ (VIA KT266A, Socket-A)
52 EPoX 8KTA3 (VIA KT133A, Socket-A)
53 EPoX EP-4PEA+ (i845PE, Socket-478)
54 EPoX EP-7KXA (VIA KX133, Slot-A)
55 EPoX EP-8K5A3+ (VIA KT333, Socket-A)
56 EPoX EP-8K7A+ (AMD-761, Socket-A)
57 EPoX EP-8KTA2 (VIA KT133, Socket-A)
58 EPoX EP-BX7+100 (i440 BX, Socket-370)
59 FIC P4M-RS300 (Radeon 9000 IGP, Socket-478)
60 Gigabyte GA-6OXM7E (i815E, Socket-370)
61 Gigabyte GA-6VTX (VIA Apollo Pro 133T, Socket-370)
62 Gigabyte GA-6VX7B-4X (VIA Apollo Pro 133A, Socket-370)
63 Gigabyte GA-6VX7B-4X (VIA Apollo Pro 133A, Socket-370)
64 Gigabyte GA-6VXD7 (VIA Apollo Pro 133A, Socket-370 Dual)
65 Gigabyte GA-6VXD7 (VIA Apollo Pro 133A, Socket-370 Dual)
66 Gigabyte GA-6WMM7 (I810, Socket-370)
67 Gigabyte GA-6WMMC7 (I810E, Socket-370)
68 Gigabyte GA-7DXR (AMD-761, Socket-A)
69 Gigabyte GA-7VAXP (VIA KT400, Socket-A)
70 Gigabyte GA-7VRXP (VIA KT333, Socket-A)
71 Gigabyte GA-7ZX (VIA KT133, Socket-A)
72 Intel 865G motherboard
73 Intel D875PBZ
74 Intel D925XCV
75 Intel D925XECV
76 Intel Desktop Board D865PERL
77 Intel Desktop Board D875PBZ
78 Intel Desktop Board D875PBZ
79 Intel Desktop Board D915
80 Intel Desktop Board D975XBX
81 Iwill K7S2 (SiS 746FX, Socket-A)
82 Iwill KA266-R (ALi M1647 + M1535D+, Socket-A)
83 Iwill KK266Plus-R (VIA KT133A, Socket-A)
84 Jamapro M7-MS30 (SiS 630, Socket-370)
85 MSI 645 Ultra (SiS 645, Socket-478)
86 MSI 694 Master (VIA Apollo Pro 133A,Socket-370)
87 MSI 694D Pro (VIA Apollo Pro 133A, Socket-370 Dual)
88 MSI 815E Pro (i815E, Socket-370)
89 MSI 815EP Pro (i815EP, Socket-370)
90 MSI 815EPT Pro (i815EP, Socket-370)
91 MSI 845 PRO (i845, Socket-478)
92 MSI 845E Max2 (i845E, Socket-478)
93 MSI 845P Pro2 (i845, Socket-478)
94 MSI 850 Pro2 (i850, Socket 423)
95 MSI K7 Pro (AMD-751, Slot-A)
96 MSI K7 Pro (AMD-751, Slot-A)
97 MSI K7T Master (VIA KT133, Socket-A)
98 MSI K7T Pro (VIA KT133, Socket-A)
99 MSI K7T Pro2 (VIA KT133, Socket-A)
100 MSI K7T Turbo (VIA KT133A, Socket-A)
101 MSI K7T266 Pro (VIA KT266, Socket-A)
102 MSI K7T266 Pro2 (VIA KT266A, Socket-A)
103 MSI KT3 Ultra2 (VIA KT333, Socket-A)
104 MSI MS-6309 (VIA Apollo Pro 133A, Socket-370)
105 MSI MS-6340 (VIA KM133 Pro, Socket-A)
106 SIS 672 FX + SIS 968
107 Soltek SL-KT600-R (VIA KT600, Socket-A)
Hmm, could be tough.
I need to check on two things....
1) the list of items (which i took note in some older doc)
2) if I still have free access to the old office.
I'll update at a later date if any luck - especially for collectors like yourself